{
  "url": "https://openproperties.uk/sw1x/west-halkin-street",
  "outcode": "SW1X",
  "street": "WEST HALKIN STREET",
  "street_slug": "west-halkin-street",
  "property_count": 38,
  "truncated": false,
  "properties": [
    {
      "paon": "CARYSFORT HOUSE",
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      "postcode": "SW1X 8JS",
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      "last_sale_date": "2004-06-30",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house/flat-5"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
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      "postcode": "SW1X 8JS",
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      "first_sale_date": "2006-08-01",
      "last_sale_date": "2006-08-01",
      "last_price": 521000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-2"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
      "saon": "FLAT 3",
      "postcode": "SW1X 8JS",
      "sale_count": 3,
      "first_sale_date": "1999-11-23",
      "last_sale_date": "2016-11-11",
      "last_price": 2700000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-3"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
      "saon": "FLAT 4",
      "postcode": "SW1X 8JS",
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      "first_sale_date": "2000-05-15",
      "last_sale_date": "2020-08-21",
      "last_price": 3375000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-4"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
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      "postcode": "SW1X 8JS",
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      "last_sale_date": "2023-11-28",
      "last_price": 2500000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-5"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
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      "postcode": "SW1X 8JS",
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      "last_sale_date": "2019-09-30",
      "last_price": 2650000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-6"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
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      "postcode": "SW1X 8JS",
      "sale_count": 1,
      "first_sale_date": "2007-09-12",
      "last_sale_date": "2007-09-12",
      "last_price": 189100,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-7"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
      "saon": "FLAT 9",
      "postcode": "SW1X 8JS",
      "sale_count": 1,
      "first_sale_date": "2020-08-28",
      "last_sale_date": "2020-08-28",
      "last_price": 835000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-9"
    },
    {
      "paon": "CARYSFORT HOUSE, 14",
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      "postcode": "SW1X 8JS",
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      "last_sale_date": "2011-08-31",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/carysfort-house-14/flat-11"
    },
    {
      "paon": "1",
      "saon": null,
      "postcode": "SW1X 8JJ",
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      "last_sale_date": "2023-07-05",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/1"
    },
    {
      "paon": "2",
      "saon": null,
      "postcode": "SW1X 8JJ",
      "sale_count": 2,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2022-11-16",
      "last_price": 14750000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2"
    },
    {
      "paon": "2 - 3",
      "saon": "FLAT 1",
      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-1"
    },
    {
      "paon": "2 - 3",
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      "last_sale_date": "2018-11-21",
      "last_price": 478500,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-3"
    },
    {
      "paon": "2 - 3",
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      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 251575,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-4"
    },
    {
      "paon": "2 - 3",
      "saon": "FLAT 5",
      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 529250,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-5"
    },
    {
      "paon": "2 - 3",
      "saon": "FLAT 6",
      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 601750,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-6"
    },
    {
      "paon": "2 - 3",
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      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 234900,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-7"
    },
    {
      "paon": "2 - 3",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-9"
    },
    {
      "paon": "2 - 3",
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      "postcode": "SW1X 8JJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 237075,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-10"
    },
    {
      "paon": "2 - 3",
      "saon": "FLAT 11",
      "postcode": "SW1X 8JJ",
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      "last_sale_date": "2018-11-21",
      "last_price": 605375,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-11"
    },
    {
      "paon": "2 - 3",
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      "postcode": "SW1X 8JJ",
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      "first_sale_date": "2018-11-21",
      "last_sale_date": "2018-11-21",
      "last_price": 160225,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-12"
    },
    {
      "paon": "2 - 3",
      "saon": "FLAT 14",
      "postcode": "SW1X 8JJ",
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      "last_sale_date": "2018-11-21",
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      "url": "https://openproperties.uk/sw1x/west-halkin-street/2-3/flat-14"
    },
    {
      "paon": "4",
      "saon": null,
      "postcode": "SW1X 8JA",
      "sale_count": 1,
      "first_sale_date": "1995-09-04",
      "last_sale_date": "1995-09-04",
      "last_price": 43000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/4"
    },
    {
      "paon": "4",
      "saon": "FIRST FLOOR FLAT",
      "postcode": "SW1X 8JA",
      "sale_count": 4,
      "first_sale_date": "1995-03-01",
      "last_sale_date": "2023-02-16",
      "last_price": 1466000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/4/first-floor-flat"
    },
    {
      "paon": "4",
      "saon": "SECOND FLOOR FLAT",
      "postcode": "SW1X 8JA",
      "sale_count": 3,
      "first_sale_date": "2000-02-18",
      "last_sale_date": "2008-10-31",
      "last_price": 630000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/4/second-floor-flat"
    },
    {
      "paon": "4",
      "saon": "THIRD AND FOURTH FLOOR FLAT",
      "postcode": "SW1X 8JA",
      "sale_count": 3,
      "first_sale_date": "1995-03-01",
      "last_sale_date": "2023-11-16",
      "last_price": 2200000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/4/third-and-fourth-floor-flat"
    },
    {
      "paon": "5",
      "saon": null,
      "postcode": "SW1X 8JA",
      "sale_count": 1,
      "first_sale_date": "2023-02-24",
      "last_sale_date": "2023-02-24",
      "last_price": 2700000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/5"
    },
    {
      "paon": "6",
      "saon": "FLAT 3",
      "postcode": "SW1X 8JA",
      "sale_count": 1,
      "first_sale_date": "2024-03-06",
      "last_sale_date": "2024-03-06",
      "last_price": 2375000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/6/flat-3"
    },
    {
      "paon": "6",
      "saon": "FLAT 4",
      "postcode": "SW1X 8JA",
      "sale_count": 1,
      "first_sale_date": "2024-10-25",
      "last_sale_date": "2024-10-25",
      "last_price": 1100000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/6/flat-4"
    },
    {
      "paon": "6",
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      "postcode": "SW1X 8JA",
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      "first_sale_date": "1999-04-16",
      "last_sale_date": "2024-01-19",
      "last_price": 2200000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/6/flat-5"
    },
    {
      "paon": "15",
      "saon": null,
      "postcode": "SW1X 8JL",
      "sale_count": 1,
      "first_sale_date": "2014-01-30",
      "last_sale_date": "2014-01-30",
      "last_price": 14880000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/15"
    },
    {
      "paon": "15",
      "saon": "FLAT 3",
      "postcode": "SW1X 8JL",
      "sale_count": 1,
      "first_sale_date": "2001-03-26",
      "last_sale_date": "2001-03-26",
      "last_price": 430000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/15/flat-3"
    },
    {
      "paon": "15",
      "saon": "FLAT 4",
      "postcode": "SW1X 8JL",
      "sale_count": 3,
      "first_sale_date": "1996-03-28",
      "last_sale_date": "2002-12-20",
      "last_price": 500000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/15/flat-4"
    },
    {
      "paon": "15",
      "saon": "FLAT 5",
      "postcode": "SW1X 8JL",
      "sale_count": 3,
      "first_sale_date": "1995-05-24",
      "last_sale_date": "2004-07-30",
      "last_price": 499000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/15/flat-5"
    },
    {
      "paon": "16",
      "saon": "FLAT 1",
      "postcode": "SW1X 8JL",
      "sale_count": 1,
      "first_sale_date": "1996-03-12",
      "last_sale_date": "1996-03-12",
      "last_price": 800000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/16/flat-1"
    },
    {
      "paon": "16",
      "saon": "FLAT 2",
      "postcode": "SW1X 8JL",
      "sale_count": 2,
      "first_sale_date": "1996-03-22",
      "last_sale_date": "2008-05-30",
      "last_price": 1475000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/16/flat-2"
    },
    {
      "paon": "16",
      "saon": "FLAT 3",
      "postcode": "SW1X 8JL",
      "sale_count": 4,
      "first_sale_date": "1996-08-14",
      "last_sale_date": "2005-08-05",
      "last_price": 675000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/16/flat-3"
    },
    {
      "paon": "16",
      "saon": "FLAT 4",
      "postcode": "SW1X 8JL",
      "sale_count": 4,
      "first_sale_date": "1996-08-14",
      "last_sale_date": "2021-06-04",
      "last_price": 2650000,
      "url": "https://openproperties.uk/sw1x/west-halkin-street/16/flat-4"
    }
  ],
  "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.",
  "provenance": {
    "source": "HM Land Registry Price Paid Data",
    "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
    "retrieved_at": null
  }
}