{
  "url": "https://openproperties.uk/sw1p/chapter-street/17/flat-3",
  "address_path": "sw1p/chapter-street/17/flat-3",
  "paon": "17",
  "saon": "FLAT 3",
  "street": "CHAPTER STREET",
  "locality": null,
  "town_city": "LONDON",
  "district": "CITY OF WESTMINSTER",
  "county": "GREATER LONDON",
  "postcode": "SW1P 4NF",
  "postcodes": [
    "SW1P 4NF"
  ],
  "latitude": 51.491137004000365,
  "longitude": -0.13377818937123132,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "2005-04-29",
  "last_sale_date": "2009-07-27",
  "last_price": 445000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/sw1p/chapter-street/17/flat-3/6c51b400-87ec-431d-82d9-f3ea21b9bcf3",
      "transaction_id": "6C51B400-87EC-431D-82D9-F3EA21B9BCF3",
      "price": 445000,
      "date_of_transfer": "2009-07-27",
      "postcode": "SW1P 4NF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "17",
      "saon": "FLAT 3",
      "street": "CHAPTER STREET",
      "locality": null,
      "town_city": "LONDON",
      "district": "CITY OF WESTMINSTER",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sw1p/chapter-street/17/flat-3",
      "property_url": "https://openproperties.uk/sw1p/chapter-street/17/flat-3"
    },
    {
      "url": "https://openproperties.uk/sw1p/chapter-street/17/flat-3/a1c8c625-61cc-4e5d-a276-0e4dc7aa17ff",
      "transaction_id": "A1C8C625-61CC-4E5D-A276-0E4DC7AA17FF",
      "price": 347000,
      "date_of_transfer": "2005-04-29",
      "postcode": "SW1P 4NF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "17",
      "saon": "FLAT 3",
      "street": "CHAPTER STREET",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "CITY OF WESTMINSTER",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sw1p/chapter-street/17/flat-3",
      "property_url": "https://openproperties.uk/sw1p/chapter-street/17/flat-3"
    }
  ],
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains HM Land Registry data © Crown copyright and database right. This data is licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right. Postcode locations are Code-Point Open centroids: they locate the postcode, not an individual building.",
  "provenance": [
    {
      "source": "HM Land Registry Price Paid Data",
      "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
      "retrieved_at": "2026-07-09T18:56:26.350736+00:00"
    },
    {
      "source": "OS Code-Point Open",
      "source_url": "https://osdatahub.os.uk/downloads/open/CodePointOpen",
      "retrieved_at": null
    }
  ]
}