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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw3/belsize-avenue/31/flat-2",
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      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw3/belsize-avenue/31/flat-2",
      "property_url": "https://openproperties.uk/nw3/belsize-avenue/31/flat-2"
    },
    {
      "url": "https://openproperties.uk/nw3/belsize-avenue/31/flat-2/36f0d1c5-c410-4cd5-a542-bf293b5ffccc",
      "transaction_id": "36F0D1C5-C410-4CD5-A542-BF293B5FFCCC",
      "price": 395000,
      "date_of_transfer": "1997-04-07",
      "postcode": "NW3 4BL",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
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      "paon": "31",
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      "street": "BELSIZE AVENUE",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "CAMDEN",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw3/belsize-avenue/31/flat-2",
      "property_url": "https://openproperties.uk/nw3/belsize-avenue/31/flat-2"
    },
    {
      "url": "https://openproperties.uk/nw3/belsize-avenue/31/flat-2/4b8578db-a1d7-40bf-b725-99cb75acdf35",
      "transaction_id": "4B8578DB-A1D7-40BF-B725-99CB75ACDF35",
      "price": 330000,
      "date_of_transfer": "1996-08-29",
      "postcode": "NW3 4BL",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "31",
      "saon": "FLAT 2",
      "street": "BELSIZE AVENUE",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "CAMDEN",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw3/belsize-avenue/31/flat-2",
      "property_url": "https://openproperties.uk/nw3/belsize-avenue/31/flat-2"
    }
  ],
  "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
    }
  ]
}