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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw4/bertram-road/6a",
      "property_url": "https://openproperties.uk/nw4/bertram-road/6a"
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    {
      "url": "https://openproperties.uk/nw4/bertram-road/6a/ae19bca8-0e6f-40a3-91d1-db444e6f1f91",
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      "date_of_transfer": "2000-10-12",
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      "saon": null,
      "street": "BERTRAM ROAD",
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      "town_city": "LONDON",
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      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw4/bertram-road/6a",
      "property_url": "https://openproperties.uk/nw4/bertram-road/6a"
    },
    {
      "url": "https://openproperties.uk/nw4/bertram-road/6a/a11e3985-a880-4092-9c79-28e3b3a3b229",
      "transaction_id": "A11E3985-A880-4092-9C79-28E3B3A3B229",
      "price": 60000,
      "date_of_transfer": "1998-08-07",
      "postcode": "NW4 3PN",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "6A",
      "saon": null,
      "street": "BERTRAM ROAD",
      "locality": "LONDON",
      "town_city": "LONDON",
      "district": "BARNET",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw4/bertram-road/6a",
      "property_url": "https://openproperties.uk/nw4/bertram-road/6a"
    }
  ],
  "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
    }
  ]
}