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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
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      "street": "HALLAM STREET",
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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": "w1w/hallam-street/105/flat-14",
      "property_url": "https://openproperties.uk/w1w/hallam-street/105/flat-14"
    },
    {
      "url": "https://openproperties.uk/w1w/hallam-street/105/flat-14/028b5fa1-cb79-4f7f-ba5e-2896af8f261a",
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      "price": 147500,
      "date_of_transfer": "2007-03-30",
      "postcode": "W1W 5HD",
      "property_type": "F",
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      "saon": "FLAT 14",
      "street": "HALLAM STREET",
      "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": "w1w/hallam-street/105/flat-14",
      "property_url": "https://openproperties.uk/w1w/hallam-street/105/flat-14"
    },
    {
      "url": "https://openproperties.uk/w1w/hallam-street/105/flat-14/2a289e9d-c413-cdc8-e050-a8c063054829",
      "transaction_id": "2A289E9D-C413-CDC8-E050-A8C063054829",
      "price": 46000,
      "date_of_transfer": "1997-01-09",
      "postcode": "W1W 5HD",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "105",
      "saon": "FLAT 14",
      "street": "HALLAM STREET",
      "locality": "MARYLEBONE",
      "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": "w1w/hallam-street/105/flat-14",
      "property_url": "https://openproperties.uk/w1w/hallam-street/105/flat-14"
    }
  ],
  "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
    }
  ]
}