{
  "url": "https://openproperties.uk/ub6/costons-avenue/27",
  "address_path": "ub6/costons-avenue/27",
  "paon": "27",
  "saon": null,
  "street": "COSTONS AVENUE",
  "locality": null,
  "town_city": "GREENFORD",
  "district": "EALING",
  "county": "GREATER LONDON",
  "postcode": "UB6 8RJ",
  "postcodes": [
    "UB6 8RJ"
  ],
  "latitude": 51.5330463835866,
  "longitude": -0.34624580131942106,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "2001-07-30",
  "last_sale_date": "2014-02-28",
  "last_price": 350000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/ub6/costons-avenue/27/bc1c3fff-9f12-4e77-81ee-19a21c162864",
      "transaction_id": "BC1C3FFF-9F12-4E77-81EE-19A21C162864",
      "price": 350000,
      "date_of_transfer": "2014-02-28",
      "postcode": "UB6 8RJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "27",
      "saon": null,
      "street": "COSTONS AVENUE",
      "locality": null,
      "town_city": "GREENFORD",
      "district": "EALING",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub6/costons-avenue/27",
      "property_url": "https://openproperties.uk/ub6/costons-avenue/27"
    },
    {
      "url": "https://openproperties.uk/ub6/costons-avenue/27/d6188433-d784-4014-bebc-94e58df405e6",
      "transaction_id": "D6188433-D784-4014-BEBC-94E58DF405E6",
      "price": 120000,
      "date_of_transfer": "2005-09-10",
      "postcode": "UB6 8RJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "27",
      "saon": null,
      "street": "COSTONS AVENUE",
      "locality": "GREENFORD",
      "town_city": "GREENFORD",
      "district": "EALING",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub6/costons-avenue/27",
      "property_url": "https://openproperties.uk/ub6/costons-avenue/27"
    },
    {
      "url": "https://openproperties.uk/ub6/costons-avenue/27/43819216-0533-46a0-9590-e0a1c8153830",
      "transaction_id": "43819216-0533-46A0-9590-E0A1C8153830",
      "price": 165000,
      "date_of_transfer": "2001-07-30",
      "postcode": "UB6 8RJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "27",
      "saon": null,
      "street": "COSTONS AVENUE",
      "locality": "GREENFORD",
      "town_city": "GREENFORD",
      "district": "EALING",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub6/costons-avenue/27",
      "property_url": "https://openproperties.uk/ub6/costons-avenue/27"
    }
  ],
  "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
    }
  ]
}