{
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  "postcodes": [
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      "price": 999999,
      "date_of_transfer": "2012-06-11",
      "postcode": "NW4 2AJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "44",
      "saon": null,
      "street": "GREEN WALK",
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      "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/green-walk/44",
      "property_url": "https://openproperties.uk/nw4/green-walk/44"
    },
    {
      "url": "https://openproperties.uk/nw4/green-walk/44/47bb2223-c61a-420a-98c0-c75383cc9f01",
      "transaction_id": "47BB2223-C61A-420A-98C0-C75383CC9F01",
      "price": 189000,
      "date_of_transfer": "1997-09-26",
      "postcode": "NW4 2AJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "44",
      "saon": null,
      "street": "GREEN WALK",
      "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/green-walk/44",
      "property_url": "https://openproperties.uk/nw4/green-walk/44"
    },
    {
      "url": "https://openproperties.uk/nw4/green-walk/44/7764624c-912f-4ccd-8ad0-4f6fbf092e27",
      "transaction_id": "7764624C-912F-4CCD-8AD0-4F6FBF092E27",
      "price": 155000,
      "date_of_transfer": "1997-06-24",
      "postcode": "NW4 2AJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "44",
      "saon": null,
      "street": "GREEN WALK",
      "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/green-walk/44",
      "property_url": "https://openproperties.uk/nw4/green-walk/44"
    }
  ],
  "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
    }
  ]
}