{
  "url": "https://openproperties.uk/dl4/fir-tree",
  "outcode": "DL4",
  "street": "FIR TREE",
  "street_slug": "fir-tree",
  "property_count": 9,
  "truncated": false,
  "properties": [
    {
      "paon": "3",
      "saon": null,
      "postcode": "DL4 2AE",
      "sale_count": 2,
      "first_sale_date": "2006-03-03",
      "last_sale_date": "2025-10-20",
      "last_price": 50000,
      "url": "https://openproperties.uk/dl4/fir-tree/3"
    },
    {
      "paon": "4",
      "saon": null,
      "postcode": "DL4 2AE",
      "sale_count": 2,
      "first_sale_date": "2003-11-10",
      "last_sale_date": "2007-05-04",
      "last_price": 74950,
      "url": "https://openproperties.uk/dl4/fir-tree/4"
    },
    {
      "paon": "17",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 3,
      "first_sale_date": "2006-08-04",
      "last_sale_date": "2016-06-21",
      "last_price": 38000,
      "url": "https://openproperties.uk/dl4/fir-tree/17"
    },
    {
      "paon": "18",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 1,
      "first_sale_date": "2002-05-30",
      "last_sale_date": "2002-05-30",
      "last_price": 27500,
      "url": "https://openproperties.uk/dl4/fir-tree/18"
    },
    {
      "paon": "21",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 2,
      "first_sale_date": "2014-03-06",
      "last_sale_date": "2021-12-17",
      "last_price": 50000,
      "url": "https://openproperties.uk/dl4/fir-tree/21"
    },
    {
      "paon": "22",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 2,
      "first_sale_date": "2013-10-08",
      "last_sale_date": "2023-01-18",
      "last_price": 65000,
      "url": "https://openproperties.uk/dl4/fir-tree/22"
    },
    {
      "paon": "28",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 1,
      "first_sale_date": "2006-02-24",
      "last_sale_date": "2006-02-24",
      "last_price": 53500,
      "url": "https://openproperties.uk/dl4/fir-tree/28"
    },
    {
      "paon": "41",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 1,
      "first_sale_date": "2006-05-22",
      "last_sale_date": "2006-05-22",
      "last_price": 43000,
      "url": "https://openproperties.uk/dl4/fir-tree/41"
    },
    {
      "paon": "42",
      "saon": null,
      "postcode": "DL4 2AF",
      "sale_count": 2,
      "first_sale_date": "1998-06-01",
      "last_sale_date": "2013-03-13",
      "last_price": 42500,
      "url": "https://openproperties.uk/dl4/fir-tree/42"
    }
  ],
  "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
  }
}