{
  "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1",
  "address_path": "sw1v/alderney-street/81/flat-1",
  "paon": "81",
  "saon": "FLAT 1",
  "street": "ALDERNEY STREET",
  "locality": null,
  "town_city": "LONDON",
  "district": "CITY OF WESTMINSTER",
  "county": "GREATER LONDON",
  "postcode": "SW1V 4HF",
  "postcodes": [
    "SW1V 4HF"
  ],
  "latitude": 51.4896648678971,
  "longitude": -0.14357581212641374,
  "location_precision": "postcode_centroid",
  "sale_count": 5,
  "first_sale_date": "1996-10-11",
  "last_sale_date": "2021-05-28",
  "last_price": 750000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1/c8a3a576-6f2b-0425-e053-6c04a8c0947b",
      "transaction_id": "C8A3A576-6F2B-0425-E053-6C04A8C0947B",
      "price": 750000,
      "date_of_transfer": "2021-05-28",
      "postcode": "SW1V 4HF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81",
      "saon": "FLAT 1",
      "street": "ALDERNEY STREET",
      "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": "sw1v/alderney-street/81/flat-1",
      "property_url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1"
    },
    {
      "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1/ff9e19d0-3e23-4fb2-b626-2b47314e532e",
      "transaction_id": "FF9E19D0-3E23-4FB2-B626-2B47314E532E",
      "price": 585000,
      "date_of_transfer": "2010-06-01",
      "postcode": "SW1V 4HF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81",
      "saon": "FLAT 1",
      "street": "ALDERNEY STREET",
      "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": "sw1v/alderney-street/81/flat-1",
      "property_url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1"
    },
    {
      "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1/601f403e-0bcc-405c-bd83-776b74de10db",
      "transaction_id": "601F403E-0BCC-405C-BD83-776B74DE10DB",
      "price": 374000,
      "date_of_transfer": "2002-07-05",
      "postcode": "SW1V 4HF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81",
      "saon": "FLAT 1",
      "street": "ALDERNEY 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": "sw1v/alderney-street/81/flat-1",
      "property_url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1"
    },
    {
      "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1/e9c82874-2c65-4b24-a933-741f5eb9ab33",
      "transaction_id": "E9C82874-2C65-4B24-A933-741F5EB9AB33",
      "price": 217500,
      "date_of_transfer": "1998-05-29",
      "postcode": "SW1V 4HF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81",
      "saon": "FLAT 1",
      "street": "ALDERNEY 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": "sw1v/alderney-street/81/flat-1",
      "property_url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1"
    },
    {
      "url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1/0fb69097-d38f-48c3-afad-dca80e08725f",
      "transaction_id": "0FB69097-D38F-48C3-AFAD-DCA80E08725F",
      "price": 133750,
      "date_of_transfer": "1996-10-11",
      "postcode": "SW1V 4HF",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": true,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "81",
      "saon": "FLAT 1",
      "street": "ALDERNEY 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": "sw1v/alderney-street/81/flat-1",
      "property_url": "https://openproperties.uk/sw1v/alderney-street/81/flat-1"
    }
  ],
  "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
    }
  ]
}