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      "county": "GREATER LONDON",
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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "nw4/sentinel-square/6-9/first-floor-offices",
      "property_url": "https://openproperties.uk/nw4/sentinel-square/6-9/first-floor-offices"
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      "transaction_id": "8FE4D038-E33A-4AAF-ADEA-6F32E0933AD2",
      "price": 110000,
      "date_of_transfer": "1995-06-23",
      "postcode": "NW4 2EL",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "6 - 9",
      "saon": "FIRST FLOOR OFFICES",
      "street": "SENTINEL SQUARE",
      "locality": "LONDON",
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      "district": "BARNET",
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      "address_path": "nw4/sentinel-square/6-9/first-floor-offices",
      "property_url": "https://openproperties.uk/nw4/sentinel-square/6-9/first-floor-offices"
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  ],
  "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
    }
  ]
}