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      "town_city": "HAYES",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub4/westlake-close/23",
      "property_url": "https://openproperties.uk/ub4/westlake-close/23"
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    {
      "url": "https://openproperties.uk/ub4/westlake-close/23/d104e639-ab87-4814-ba39-4790c2a0a70b",
      "transaction_id": "D104E639-AB87-4814-BA39-4790C2A0A70B",
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      "date_of_transfer": "1999-10-18",
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      "paon": "23",
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      "street": "WESTLAKE CLOSE",
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      "town_city": "HAYES",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub4/westlake-close/23",
      "property_url": "https://openproperties.uk/ub4/westlake-close/23"
    },
    {
      "url": "https://openproperties.uk/ub4/westlake-close/23/4cd4761e-032b-4504-9090-9d0738edf327",
      "transaction_id": "4CD4761E-032B-4504-9090-9D0738EDF327",
      "price": 62950,
      "date_of_transfer": "1997-04-29",
      "postcode": "UB4 9RT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
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      "paon": "23",
      "saon": null,
      "street": "WESTLAKE CLOSE",
      "locality": "HAYES",
      "town_city": "HAYES",
      "district": "HILLINGDON",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "ub4/westlake-close/23",
      "property_url": "https://openproperties.uk/ub4/westlake-close/23"
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  ],
  "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
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  ]
}