diff --git a/examples/data/ldcE.ts b/examples/data/ldcE.ts
index eeff926a..89e1a660 100644
--- a/examples/data/ldcE.ts
+++ b/examples/data/ldcE.ts
@@ -1233,6 +1233,44 @@ export const validLDCE: Schema = {
     service: {
       flowId: '824628b2-deeb-48b0-92b1-2ca7f3b17163',
       url: 'https://www.editor.planx.dev/buckinghamshire/apply-for-a-lawful-development-certificate/preview',
+      files: [
+        {
+          value: 'photographs.proposed',
+          description: 'Photographs - proposed',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.proposed',
+          description: 'Site plan - proposed',
+          condition: 'required',
+        },
+
+        {
+          value: 'elevations.proposed',
+          description: 'Elevations - proposed',
+          condition: 'required',
+        },
+        {
+          value: 'floorPlan.proposed',
+          description: 'Floor plan - proposed',
+          condition: 'recommended',
+        },
+        {
+          value: 'floorPlan.proposed',
+          description: 'Floor plan - proposed',
+          condition: 'optional',
+        },
+        {
+          value: 'otherEvidence',
+          description: 'Other - evidence or correspondence',
+          condition: 'optional',
+        },
+        {
+          value: 'constructionInvoice',
+          description: 'Construction invoice',
+          condition: 'optional',
+        },
+      ],
     },
     submittedAt: '2023-10-02t00:00:00z',
     schema:
diff --git a/examples/data/ldcP.ts b/examples/data/ldcP.ts
index a02062e5..71628d04 100644
--- a/examples/data/ldcP.ts
+++ b/examples/data/ldcP.ts
@@ -837,6 +837,48 @@ export const validLDCP: Schema = {
     service: {
       flowId: '824628b2-deeb-48b0-92b1-2ca7f3b17163',
       url: 'https://www.editor.planx.dev/buckinghamshire/apply-for-a-lawful-development-certificate/preview',
+      files: [
+        {
+          value: 'roofPlan.existing',
+          description: 'Roof plan - existing',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.existing',
+          description: 'Site plan - existing',
+          condition: 'required',
+        },
+        {
+          value: 'roofPlan.proposed',
+          description: 'Roof plan - proposed',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.proposed',
+          description: 'Site plan - proposed',
+          condition: 'required',
+        },
+        {
+          value: 'elevations.existing',
+          description: 'Elevations - existing',
+          condition: 'required',
+        },
+        {
+          value: 'floorPlan.existing',
+          description: 'Floor plan - existing',
+          condition: 'recommended',
+        },
+        {
+          value: 'elevations.proposed',
+          description: 'Elevations - proposed',
+          condition: 'recommended',
+        },
+        {
+          value: 'floorPlan.proposed',
+          description: 'Floor plan - proposed',
+          condition: 'recommended',
+        },
+      ],
     },
     submittedAt: '2023-10-02T00:00:00+01:00',
     schema:
diff --git a/examples/data/planningPermission.ts b/examples/data/planningPermission.ts
index a17b09ba..42b2c2a0 100644
--- a/examples/data/planningPermission.ts
+++ b/examples/data/planningPermission.ts
@@ -1255,6 +1255,48 @@ export const validPlanningPermission: Schema = {
     service: {
       flowId: '01e38c5d-e701-4e44-acdc-4d6b5cc3b854',
       url: 'https://www.editor.planx.dev/lambeth/apply-for-planning-permission/preview',
+      files: [
+        {
+          value: 'roofPlan.existing',
+          description: 'Roof plan - existing',
+          condition: 'required',
+        },
+        {
+          value: 'roofPlan.proposed',
+          description: 'Roof plan - proposed',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.existing',
+          description: 'Site plan - existing',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.proposed',
+          description: 'Site plan - proposed',
+          condition: 'recommended',
+        },
+        {
+          value: 'elevations.existing',
+          description: 'Elevations - existing',
+          condition: 'recommended',
+        },
+        {
+          value: 'elevations.proposed',
+          description: 'Elevations - proposed',
+          condition: 'recommended',
+        },
+        {
+          value: 'floorPlan.existing',
+          description: 'Floor plan - existing',
+          condition: 'recommended',
+        },
+        {
+          value: 'floorPlan.proposed',
+          description: 'Floor plan - proposed',
+          condition: 'recommended',
+        },
+      ],
     },
     submittedAt: '2023-10-02T00:00:00.00Z',
     schema:
diff --git a/examples/data/priorApproval.ts b/examples/data/priorApproval.ts
index 7a726f90..4569c487 100644
--- a/examples/data/priorApproval.ts
+++ b/examples/data/priorApproval.ts
@@ -772,6 +772,18 @@ export const validPriorApproval: Schema = {
     service: {
       flowId: 'c6628103-c648-4663-81e1-bfa0a1a18340',
       url: 'https://www.editor.planx.dev/southwark/apply-for-prior-approval/preview',
+      files: [
+        {
+          value: 'otherDrawing',
+          description: 'Other - drawing',
+          condition: 'required',
+        },
+        {
+          value: 'sitePlan.proposed',
+          description: 'Site plan - proposed',
+          condition: 'optional',
+        },
+      ],
     },
     submittedAt: '2023-10-02T00:00:00Z',
     schema:
diff --git a/schema/schema.json b/schema/schema.json
index 04af4cb8..02e28e33 100644
--- a/schema/schema.json
+++ b/schema/schema.json
@@ -1736,6 +1736,15 @@
       ],
       "type": "object"
     },
+    "FileCondition": {
+      "$id": "#FileCondition",
+      "enum": [
+        "required",
+        "recommended",
+        "optional"
+      ],
+      "type": "string"
+    },
     "FileType": {
       "$id": "#FileType",
       "anyOf": [
@@ -4381,6 +4390,13 @@
         "service": {
           "additionalProperties": false,
           "properties": {
+            "files": {
+              "description": "File types requested by this service. Schema['files'] will be a subset of this list based on the user's journey through the service.",
+              "items": {
+                "$ref": "#/definitions/RequestedFileType"
+              },
+              "type": "array"
+            },
             "flowId": {
               "$ref": "#/definitions/UUID"
             },
@@ -4390,7 +4406,8 @@
           },
           "required": [
             "flowId",
-            "url"
+            "url",
+            "files"
           ],
           "type": "object"
         },
@@ -20273,6 +20290,1838 @@
       },
       "type": "object"
     },
+    "RequestedFileType": {
+      "$id": "#RequestedFileType",
+      "anyOf": [
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Affordable housing statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "affordableHousingStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Arboriculturist report",
+              "type": "string"
+            },
+            "value": {
+              "const": "arboriculturistReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Bank statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "bankStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Basement impact statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "basementImpactStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Bio-aerosol assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "bioaerosolAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Birdstrike risk management plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "birdstrikeRiskManagementPlan",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Borehole or trial pit analysis",
+              "type": "string"
+            },
+            "value": {
+              "const": "boreholeOrTrialPitAnalysis",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Building control certificate",
+              "type": "string"
+            },
+            "value": {
+              "const": "buildingControlCertificate",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Structural or building condition survey",
+              "type": "string"
+            },
+            "value": {
+              "const": "conditionSurvey",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Construction invoice",
+              "type": "string"
+            },
+            "value": {
+              "const": "constructionInvoice",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Contamination report",
+              "type": "string"
+            },
+            "value": {
+              "const": "contaminationReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Council tax bill",
+              "type": "string"
+            },
+            "value": {
+              "const": "councilTaxBill",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Crime prevention strategy",
+              "type": "string"
+            },
+            "value": {
+              "const": "crimePreventionStrategy",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Design and Access Statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "designAndAccessStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Evidence for application fee exemption - disability",
+              "type": "string"
+            },
+            "value": {
+              "const": "disabilityExemptionEvidence",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Ecology report",
+              "type": "string"
+            },
+            "value": {
+              "const": "ecologyReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Elevations - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "elevations.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Elevations - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "elevations.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Scheme for mitigation and monitoring of emissions (dust, odour and vibrations)",
+              "type": "string"
+            },
+            "value": {
+              "const": "emissionsMitigationAndMonitoringScheme",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Energy statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "energyStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Environmental Impact Assessment (EIA)",
+              "type": "string"
+            },
+            "value": {
+              "const": "environmentalImpactAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Fire safety report",
+              "type": "string"
+            },
+            "value": {
+              "const": "fireSafetyReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Flood risk assessment (FRA)",
+              "type": "string"
+            },
+            "value": {
+              "const": "floodRiskAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Floor plan - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "floorPlan.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Floor plan - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "floorPlan.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Foul drainage assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "foulDrainageAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Geodiversity assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "geodiversityAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Heritage Statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "heritageStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Hydrological and hydrogeological assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "hydrologicalAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Hydrology report",
+              "type": "string"
+            },
+            "value": {
+              "const": "hydrologyReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Internal elevations",
+              "type": "string"
+            },
+            "value": {
+              "const": "internalElevations",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Internal sections",
+              "type": "string"
+            },
+            "value": {
+              "const": "internalSections",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Land contamination assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "landContaminationAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Landscape and visual impact assessment (LVIA)",
+              "type": "string"
+            },
+            "value": {
+              "const": "landscapeAndVisualImpactAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Landscape strategy or landscape plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "landscapeStrategy",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Lighting assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "lightingAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Details of litter, vermin and bird control",
+              "type": "string"
+            },
+            "value": {
+              "const": "litterVerminAndBirdControlDetails",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Location plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "locationPlan",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Minerals and waste assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "mineralsAndWasteAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "New dwellings schedule",
+              "type": "string"
+            },
+            "value": {
+              "const": "newDwellingsSchedule",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Noise assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "noiseAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Open space assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "openSpaceAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Other - document",
+              "type": "string"
+            },
+            "value": {
+              "const": "otherDocument",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Other - drawing",
+              "type": "string"
+            },
+            "value": {
+              "const": "otherDrawing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Other - evidence or correspondence",
+              "type": "string"
+            },
+            "value": {
+              "const": "otherEvidence",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Parking plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "parkingPlan",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Photographs - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "photographs.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Photographs - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "photographs.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Planning statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "planningStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Roof plan - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "roofPlan.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Roof plan - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "roofPlan.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Sections - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "sections.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Sections - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "sections.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Site plan - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "sitePlan.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Site plan - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "sitePlan.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Sketch plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "sketchPlan",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Statement of community involvement",
+              "type": "string"
+            },
+            "value": {
+              "const": "statementOfCommunityInvolvement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Statuatory declaration",
+              "type": "string"
+            },
+            "value": {
+              "const": "statuatoryDeclaration",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Details of storage treatment or disposal of waste",
+              "type": "string"
+            },
+            "value": {
+              "const": "storageTreatmentAndWasteDisposalDetails",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Street scene drawing",
+              "type": "string"
+            },
+            "value": {
+              "const": "streetScene",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Subsidence report",
+              "type": "string"
+            },
+            "value": {
+              "const": "subsidenceReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Sunlight and daylight report",
+              "type": "string"
+            },
+            "value": {
+              "const": "sunlightAndDaylightReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Sustainability statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "sustainabilityStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Technical evidence",
+              "type": "string"
+            },
+            "value": {
+              "const": "technicalEvidence",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Tenancy agreement",
+              "type": "string"
+            },
+            "value": {
+              "const": "tenancyAgreement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Tenancy invoice",
+              "type": "string"
+            },
+            "value": {
+              "const": "tenancyInvoice",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Town centre uses - Impact assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "townCentreImpactAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Town centre uses - Sequential assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "townCentreSequentialAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Transport assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "transportAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Travel plan",
+              "type": "string"
+            },
+            "value": {
+              "const": "travelPlan",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Tree canopy calculator",
+              "type": "string"
+            },
+            "value": {
+              "const": "treeCanopyCalculator",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Tree condition report",
+              "type": "string"
+            },
+            "value": {
+              "const": "treeConditionReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Trees report",
+              "type": "string"
+            },
+            "value": {
+              "const": "treesReport",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Unit plan - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "unitPlan.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Unit plan - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "unitPlan.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Use plan - existing",
+              "type": "string"
+            },
+            "value": {
+              "const": "usePlan.existing",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Use plan - proposed",
+              "type": "string"
+            },
+            "value": {
+              "const": "usePlan.proposed",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Utility bill",
+              "type": "string"
+            },
+            "value": {
+              "const": "utilitiesBill",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Utilities statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "utilitiesStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Ventilation or extraction statement",
+              "type": "string"
+            },
+            "value": {
+              "const": "ventilationStatement",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Visualisations",
+              "type": "string"
+            },
+            "value": {
+              "const": "visualisations",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Waste and recycling strategy",
+              "type": "string"
+            },
+            "value": {
+              "const": "wasteAndRecyclingStrategy",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "condition": {
+              "$ref": "#/definitions/FileCondition"
+            },
+            "description": {
+              "const": "Water environment assessment",
+              "type": "string"
+            },
+            "value": {
+              "const": "waterEnvironmentAssessment",
+              "type": "string"
+            }
+          },
+          "required": [
+            "condition",
+            "description",
+            "value"
+          ],
+          "type": "object"
+        }
+      ],
+      "description": "Types of planning documents and drawings, with an attached condition as presented to the applicant"
+    },
     "Response": {
       "additionalProperties": false,
       "properties": {
diff --git a/types/schema/File.ts b/types/schema/File.ts
index 0b744e42..28b6c45b 100644
--- a/types/schema/File.ts
+++ b/types/schema/File.ts
@@ -26,3 +26,14 @@ type FileTypeMap = {
  * @description Types of planning documents and drawings
  */
 export type FileType = FileTypeMap[keyof FileTypeMap];
+
+/**
+ * @id #FileCondition
+ */
+export type FileCondition = 'required' | 'recommended' | 'optional';
+
+/**
+ * @id #RequestedFileType
+ * @description Types of planning documents and drawings, with an attached condition as presented to the applicant
+ */
+export type RequestedFileType = FileType & {condition: FileCondition};
diff --git a/types/schema/Metadata.ts b/types/schema/Metadata.ts
index 71e7733c..24944db4 100644
--- a/types/schema/Metadata.ts
+++ b/types/schema/Metadata.ts
@@ -1,4 +1,5 @@
 import {DateTime, URL, UUID} from './../utils';
+import {RequestedFileType} from './File';
 
 /**
  * @id #DigitalPlanningMetadata
@@ -33,5 +34,9 @@ export interface PlanXMetadata extends BaseMetadata {
   service: {
     flowId: UUID;
     url: URL;
+    /**
+     * @description File types requested by this service. Schema['files'] will be a subset of this list based on the user's journey through the service.
+     */
+    files: RequestedFileType[];
   };
 }