{ "openapi": "3.0.1", "info": { "title": "UK Sold House Prices | Official Land Registry Data", "description": "Real sold prices for UK property from HM Land Registry Price Paid Data - not asking prices. Search 31.5M official transactions by town, district, county or postcode, with date, price, property type, tenure and new-build flags. 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Case-insensitive. At least one location field is required." }, "district": { "title": "District", "type": "string", "description": "Administrative district, e.g. CAMDEN, BATH AND NORTH EAST SOMERSET. Use instead of, or together with, town." }, "county": { "title": "County", "type": "string", "description": "County, e.g. GREATER LONDON, WEST MIDLANDS. Broadest geographic filter — expect large result sets." }, "postcodePrefix": { "title": "Postcode prefix", "type": "string", "description": "Matches the start of the postcode. 'BS8' returns one outward code, 'BS' returns the whole Bristol area. The most precise way to target a neighbourhood." }, "dateFrom": { "title": "Sold from (YYYY-MM-DD)", "type": "string", "description": "Earliest transaction date, inclusive. Data starts in 1995. Defaults to 2024-01-01." }, "dateTo": { "title": "Sold to (YYYY-MM-DD)", "type": "string", "description": "Latest transaction date, exclusive. Defaults to today. Note the registration lag: the last 1-2 months are always incomplete." }, "minPrice": { "title": "Minimum price (GBP)", "minimum": 0, "type": "integer", "description": "Optional. Filtered on the server, so it also makes the query faster." }, "maxPrice": { "title": "Maximum price (GBP)", "minimum": 0, "type": "integer", "description": "Optional. Filtered on the server, so it also makes the query faster." }, "propertyTypes": { "title": "Property types", "type": "array", "description": "Optional. Leave empty for all types.", "items": { "type": "string", "enum": [ "detached", "semi-detached", "terraced", "flat", "other" ], "enumTitles": [ "Detached", "Semi-detached", "Terraced", "Flat / Maisonette", "Other" ] } }, "category": { "title": "Transaction category", "enum": [ "standard", "additional", "all" ], "type": "string", "description": "'Standard' is an ordinary sale at full market value. 'Additional' covers repossessions, buy-to-let portfolio transfers and other sales never openly marketed — roughly 12-19% of records. Including them will skew any price average, so standard-only is the default.", "default": "standard" }, "outputFormat": { "title": "Output", "enum": [ "transactions", "stats" ], "type": "string", "description": "'transactions' returns one row per sale. 'stats' aggregates them into quarterly medians and quartiles per postcode area and property type — far fewer rows, ideal for market analysis.", "default": "transactions" }, "maxResults": { "title": "Max rows", "minimum": 1, "type": "integer", "description": "Optional cap on rows returned. Useful for a cheap trial run before a large pull." }, "concurrency": { "title": "Concurrency", "minimum": 1, "maximum": 8, "type": "integer", "description": "Parallel queries against the Land Registry endpoint. 4 is a good default; higher is not necessarily faster, as the endpoint is a shared public service.", "default": 4 } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 } } } } } } } } } }