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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
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      "ppd_category_type": "A",
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      "address_path": "nw1/hyde-park-mansions/14a",
      "property_url": "https://openproperties.uk/nw1/hyde-park-mansions/14a"
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    {
      "url": "https://openproperties.uk/nw1/hyde-park-mansions/14a/5873c8bc-ef0e-4cf7-b17c-f3d30bac15cb",
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      "date_of_transfer": "2003-09-29",
      "postcode": "NW1 5AY",
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      "street": "HYDE PARK MANSIONS",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "CITY OF WESTMINSTER",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw1/hyde-park-mansions/14a",
      "property_url": "https://openproperties.uk/nw1/hyde-park-mansions/14a"
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    {
      "url": "https://openproperties.uk/nw1/hyde-park-mansions/14a/3d1a4ae1-eb3b-4863-a2ab-3c23267aea79",
      "transaction_id": "3D1A4AE1-EB3B-4863-A2AB-3C23267AEA79",
      "price": 155000,
      "date_of_transfer": "1998-03-13",
      "postcode": "NW1 5AY",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
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      "paon": "14A",
      "saon": null,
      "street": "HYDE PARK MANSIONS",
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      "town_city": "LONDON",
      "district": "CITY OF WESTMINSTER",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw1/hyde-park-mansions/14a",
      "property_url": "https://openproperties.uk/nw1/hyde-park-mansions/14a"
    }
  ],
  "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
    }
  ]
}