{
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      "postcode": "SW1W 9DP",
      "property_type": "F",
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      "duration": "L",
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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": "sw1w/chester-square/81a",
      "property_url": "https://openproperties.uk/sw1w/chester-square/81a"
    },
    {
      "url": "https://openproperties.uk/sw1w/chester-square/81a/c8f85ff9-e2a7-431d-af7b-abb0473f62b0",
      "transaction_id": "C8F85FF9-E2A7-431D-AF7B-ABB0473F62B0",
      "price": 405000,
      "date_of_transfer": "2000-03-01",
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      "saon": null,
      "street": "CHESTER SQUARE",
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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": "sw1w/chester-square/81a",
      "property_url": "https://openproperties.uk/sw1w/chester-square/81a"
    },
    {
      "url": "https://openproperties.uk/sw1w/chester-square/81a/f4a0e442-70e6-441e-aeca-dec409de5933",
      "transaction_id": "F4A0E442-70E6-441E-AECA-DEC409DE5933",
      "price": 276000,
      "date_of_transfer": "1997-09-08",
      "postcode": "SW1W 9DP",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": true,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81A",
      "saon": null,
      "street": "CHESTER SQUARE",
      "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": "sw1w/chester-square/81a",
      "property_url": "https://openproperties.uk/sw1w/chester-square/81a"
    }
  ],
  "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
    }
  ]
}