{
  "url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21",
  "address_path": "nw1/marylebone-road/harley-house/flat-21",
  "paon": "HARLEY HOUSE",
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  "street": "MARYLEBONE ROAD",
  "locality": "LONDON",
  "town_city": "LONDON",
  "district": "CITY OF WESTMINSTER",
  "county": "GREATER LONDON",
  "postcode": "NW1 5HE",
  "postcodes": [
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  ],
  "latitude": 51.52357871931734,
  "longitude": -0.14946217782666985,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1997-04-11",
  "last_sale_date": "2004-03-25",
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  "truncated": false,
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      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARLEY HOUSE",
      "saon": "FLAT 21",
      "street": "MARYLEBONE ROAD",
      "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": "nw1/marylebone-road/harley-house/flat-21",
      "property_url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21"
    },
    {
      "url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21/dc35f09b-1e3c-47da-9e60-78b689e3d98a",
      "transaction_id": "DC35F09B-1E3C-47DA-9E60-78B689E3D98A",
      "price": 1300000,
      "date_of_transfer": "1999-03-12",
      "postcode": "NW1 5HE",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARLEY HOUSE",
      "saon": "FLAT 21",
      "street": "MARYLEBONE ROAD",
      "locality": null,
      "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": "nw1/marylebone-road/harley-house/flat-21",
      "property_url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21"
    },
    {
      "url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21/1b47a61d-22bc-4a2a-96d0-112f4e6e6562",
      "transaction_id": "1B47A61D-22BC-4A2A-96D0-112F4E6E6562",
      "price": 750000,
      "date_of_transfer": "1997-04-11",
      "postcode": "NW1 5HE",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "HARLEY HOUSE",
      "saon": "FLAT 21",
      "street": "MARYLEBONE ROAD",
      "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": "nw1/marylebone-road/harley-house/flat-21",
      "property_url": "https://openproperties.uk/nw1/marylebone-road/harley-house/flat-21"
    }
  ],
  "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
    }
  ]
}