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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "w4/st-marys-grove/58",
      "property_url": "https://openproperties.uk/w4/st-marys-grove/58"
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    {
      "url": "https://openproperties.uk/w4/st-marys-grove/58/969f4a88-65cd-46f2-b853-720c18993c36",
      "transaction_id": "969F4A88-65CD-46F2-B853-720C18993C36",
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      "street": "ST MARYS GROVE",
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      "town_city": "LONDON",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "w4/st-marys-grove/58",
      "property_url": "https://openproperties.uk/w4/st-marys-grove/58"
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    {
      "url": "https://openproperties.uk/w4/st-marys-grove/58/3d0480b7-6f35-4010-a621-e1abf6e10272",
      "transaction_id": "3D0480B7-6F35-4010-A621-E1ABF6E10272",
      "price": 855000,
      "date_of_transfer": "2002-06-25",
      "postcode": "W4 3LW",
      "property_type": "D",
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      "duration": "F",
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      "paon": "58",
      "saon": null,
      "street": "ST MARYS GROVE",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "HOUNSLOW",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "w4/st-marys-grove/58",
      "property_url": "https://openproperties.uk/w4/st-marys-grove/58"
    }
  ],
  "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
    }
  ]
}