{
  "url": "https://openproperties.uk/hp21/westfield/19",
  "address_path": "hp21/westfield/19",
  "paon": "19",
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  "street": "WESTFIELD",
  "locality": "AYLESBURY",
  "town_city": "AYLESBURY",
  "district": "AYLESBURY VALE",
  "county": "BUCKINGHAMSHIRE",
  "postcode": "HP21 9JF",
  "postcodes": [
    "HP21 9JF"
  ],
  "latitude": 51.79385170015034,
  "longitude": -0.8111114953074938,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "1998-05-29",
  "last_sale_date": "2002-09-26",
  "last_price": 129000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/hp21/westfield/19/9cd78d8c-0333-44b4-9622-b590206e12b1",
      "transaction_id": "9CD78D8C-0333-44B4-9622-B590206E12B1",
      "price": 129000,
      "date_of_transfer": "2002-09-26",
      "postcode": "HP21 9JF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WESTFIELD",
      "locality": "AYLESBURY",
      "town_city": "AYLESBURY",
      "district": "AYLESBURY VALE",
      "county": "BUCKINGHAMSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp21/westfield/19",
      "property_url": "https://openproperties.uk/hp21/westfield/19"
    },
    {
      "url": "https://openproperties.uk/hp21/westfield/19/e21d71cd-38db-4ae5-92fb-e33ab1ac773a",
      "transaction_id": "E21D71CD-38DB-4AE5-92FB-E33AB1AC773A",
      "price": 74950,
      "date_of_transfer": "1998-05-29",
      "postcode": "HP21 9JF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WESTFIELD",
      "locality": "AYLESBURY",
      "town_city": "AYLESBURY",
      "district": "AYLESBURY VALE",
      "county": "BUCKINGHAMSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp21/westfield/19",
      "property_url": "https://openproperties.uk/hp21/westfield/19"
    }
  ],
  "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
    }
  ]
}