{
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      "ppd_category_type": "A",
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      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "w1h/portman-square/15/flat-124",
      "property_url": "https://openproperties.uk/w1h/portman-square/15/flat-124"
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      "url": "https://openproperties.uk/w1h/portman-square/15/flat-124/155a09ed-5984-4f24-a8ca-1e80bc7c6435",
      "transaction_id": "155A09ED-5984-4F24-A8CA-1E80BC7C6435",
      "price": 270000,
      "date_of_transfer": "1998-05-22",
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      "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": "w1h/portman-square/15/flat-124",
      "property_url": "https://openproperties.uk/w1h/portman-square/15/flat-124"
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    {
      "url": "https://openproperties.uk/w1h/portman-square/15/flat-124/aaedad58-180b-4403-ac8b-be4615ef0680",
      "transaction_id": "AAEDAD58-180B-4403-AC8B-BE4615EF0680",
      "price": 221000,
      "date_of_transfer": "1997-07-07",
      "postcode": "W1H 6LL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": true,
      "duration": "L",
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      "paon": "15",
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      "street": "PORTMAN SQUARE",
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      "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": "w1h/portman-square/15/flat-124",
      "property_url": "https://openproperties.uk/w1h/portman-square/15/flat-124"
    }
  ],
  "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
    }
  ]
}