{
  "url": "https://openproperties.uk/dl3/northumberland-street",
  "outcode": "DL3",
  "street": "NORTHUMBERLAND STREET",
  "street_slug": "northumberland-street",
  "property_count": 23,
  "truncated": false,
  "properties": [
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 1",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2007-06-26",
      "last_sale_date": "2007-06-26",
      "last_price": 187000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-1"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 2",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2007-10-01",
      "last_sale_date": "2007-10-01",
      "last_price": 185000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-2"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 3",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2006-10-26",
      "last_sale_date": "2006-10-26",
      "last_price": 175000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-3"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 4",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2009-12-18",
      "last_sale_date": "2009-12-18",
      "last_price": 140000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-4"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 5",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2007-07-06",
      "last_sale_date": "2025-08-22",
      "last_price": 135000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-5"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 6",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2008-01-03",
      "last_sale_date": "2008-01-03",
      "last_price": 155220,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-6"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 7",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2007-04-11",
      "last_sale_date": "2025-06-20",
      "last_price": 133000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-7"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 8",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2017-05-02",
      "last_sale_date": "2017-05-02",
      "last_price": 175000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-8"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 9",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2011-02-25",
      "last_sale_date": "2015-01-27",
      "last_price": 118000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-9"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 10",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2010-02-19",
      "last_sale_date": "2018-02-16",
      "last_price": 118000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-10"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 11",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2007-08-29",
      "last_sale_date": "2007-08-29",
      "last_price": 200000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-11"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 12",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2007-03-19",
      "last_sale_date": "2014-10-17",
      "last_price": 155000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-12"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 14",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2006-07-31",
      "last_sale_date": "2006-07-31",
      "last_price": 230000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-14"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 15",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2006-09-22",
      "last_sale_date": "2016-12-19",
      "last_price": 128000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-15"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 16",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2009-12-21",
      "last_sale_date": "2025-09-12",
      "last_price": 165000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-16"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 17",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2007-07-06",
      "last_sale_date": "2013-11-18",
      "last_price": 104000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-17"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 18",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2007-07-13",
      "last_sale_date": "2013-11-06",
      "last_price": 120000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-18"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 19",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2007-10-05",
      "last_sale_date": "2024-04-25",
      "last_price": 244000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-19"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 21",
      "postcode": "DL3 7HB",
      "sale_count": 2,
      "first_sale_date": "2010-03-31",
      "last_sale_date": "2016-08-01",
      "last_price": 145000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-21"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 22",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2006-06-30",
      "last_sale_date": "2018-08-09",
      "last_price": 145000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-22"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 23",
      "postcode": "DL3 7HB",
      "sale_count": 3,
      "first_sale_date": "2007-07-06",
      "last_sale_date": "2022-08-19",
      "last_price": 135000,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-23"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 24",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2010-02-17",
      "last_sale_date": "2010-02-17",
      "last_price": 133850,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-24"
    },
    {
      "paon": "WESTPOINT",
      "saon": "FLAT 25",
      "postcode": "DL3 7HB",
      "sale_count": 1,
      "first_sale_date": "2010-05-04",
      "last_sale_date": "2010-05-04",
      "last_price": 138600,
      "url": "https://openproperties.uk/dl3/northumberland-street/westpoint/flat-25"
    }
  ],
  "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
  }
}