{
  "url": "https://openproperties.uk/tw7/union-lane/keylands-house/14",
  "address_path": "tw7/union-lane/keylands-house/14",
  "paon": "KEYLANDS HOUSE",
  "saon": "14",
  "street": "UNION LANE",
  "locality": null,
  "town_city": "ISLEWORTH",
  "district": "HOUNSLOW",
  "county": "GREATER LONDON",
  "postcode": "TW7 6GL",
  "postcodes": [
    "TW7 6GL"
  ],
  "latitude": 51.47704397805254,
  "longitude": -0.3235611027121411,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "2010-02-12",
  "last_sale_date": "2021-03-31",
  "last_price": 360000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/tw7/union-lane/keylands-house/14/c8a3a576-de8f-0425-e053-6c04a8c0947b",
      "transaction_id": "C8A3A576-DE8F-0425-E053-6C04A8C0947B",
      "price": 360000,
      "date_of_transfer": "2021-03-31",
      "postcode": "TW7 6GL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "KEYLANDS HOUSE",
      "saon": "14",
      "street": "UNION LANE",
      "locality": null,
      "town_city": "ISLEWORTH",
      "district": "HOUNSLOW",
      "county": "GREATER LONDON",
      "ppd_category_type": "B",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "tw7/union-lane/keylands-house/14",
      "property_url": "https://openproperties.uk/tw7/union-lane/keylands-house/14"
    },
    {
      "url": "https://openproperties.uk/tw7/union-lane/keylands-house/14/80e1aa97-a58e-7bf8-e053-6c04a8c00bf2",
      "transaction_id": "80E1AA97-A58E-7BF8-E053-6C04A8C00BF2",
      "price": 325000,
      "date_of_transfer": "2018-11-21",
      "postcode": "TW7 6GL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "KEYLANDS HOUSE",
      "saon": "14",
      "street": "UNION LANE",
      "locality": null,
      "town_city": "ISLEWORTH",
      "district": "HOUNSLOW",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "tw7/union-lane/keylands-house/14",
      "property_url": "https://openproperties.uk/tw7/union-lane/keylands-house/14"
    },
    {
      "url": "https://openproperties.uk/tw7/union-lane/keylands-house/14/c7b4019f-c6f8-4e10-954f-b2e1f46b7a5c",
      "transaction_id": "C7B4019F-C6F8-4E10-954F-B2E1F46B7A5C",
      "price": 255000,
      "date_of_transfer": "2013-04-08",
      "postcode": "TW7 6GL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "KEYLANDS HOUSE",
      "saon": "14",
      "street": "UNION LANE",
      "locality": null,
      "town_city": "ISLEWORTH",
      "district": "HOUNSLOW",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "tw7/union-lane/keylands-house/14",
      "property_url": "https://openproperties.uk/tw7/union-lane/keylands-house/14"
    },
    {
      "url": "https://openproperties.uk/tw7/union-lane/keylands-house/14/77afcacb-a95c-4e79-8eb8-4b06476d9bd5",
      "transaction_id": "77AFCACB-A95C-4E79-8EB8-4B06476D9BD5",
      "price": 233000,
      "date_of_transfer": "2010-02-12",
      "postcode": "TW7 6GL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": true,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "KEYLANDS HOUSE",
      "saon": "14",
      "street": "UNION LANE",
      "locality": null,
      "town_city": "ISLEWORTH",
      "district": "HOUNSLOW",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "tw7/union-lane/keylands-house/14",
      "property_url": "https://openproperties.uk/tw7/union-lane/keylands-house/14"
    }
  ],
  "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
    }
  ]
}