{
  "url": "https://openproperties.uk/w10/first-avenue",
  "outcode": "W10",
  "street": "FIRST AVENUE",
  "street_slug": "first-avenue",
  "property_count": 15,
  "truncated": false,
  "properties": [
    {
      "paon": "9",
      "saon": null,
      "postcode": "W10 4NR",
      "sale_count": 2,
      "first_sale_date": "2001-02-01",
      "last_sale_date": "2022-02-01",
      "last_price": 655000,
      "url": "https://openproperties.uk/w10/first-avenue/9"
    },
    {
      "paon": "11",
      "saon": null,
      "postcode": "W10 4NR",
      "sale_count": 2,
      "first_sale_date": "2009-11-24",
      "last_sale_date": "2019-04-12",
      "last_price": 725000,
      "url": "https://openproperties.uk/w10/first-avenue/11"
    },
    {
      "paon": "16",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "2014-06-30",
      "last_sale_date": "2014-06-30",
      "last_price": 715000,
      "url": "https://openproperties.uk/w10/first-avenue/16"
    },
    {
      "paon": "18",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 2,
      "first_sale_date": "1998-10-30",
      "last_sale_date": "2006-08-16",
      "last_price": 375600,
      "url": "https://openproperties.uk/w10/first-avenue/18"
    },
    {
      "paon": "27",
      "saon": null,
      "postcode": "W10 4NR",
      "sale_count": 1,
      "first_sale_date": "1995-01-10",
      "last_sale_date": "1995-01-10",
      "last_price": 74000,
      "url": "https://openproperties.uk/w10/first-avenue/27"
    },
    {
      "paon": "30",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "2003-06-02",
      "last_sale_date": "2003-06-02",
      "last_price": 209500,
      "url": "https://openproperties.uk/w10/first-avenue/30"
    },
    {
      "paon": "34",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 4,
      "first_sale_date": "1999-12-03",
      "last_sale_date": "2021-03-19",
      "last_price": 870000,
      "url": "https://openproperties.uk/w10/first-avenue/34"
    },
    {
      "paon": "40",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 3,
      "first_sale_date": "2009-08-10",
      "last_sale_date": "2025-09-04",
      "last_price": 872500,
      "url": "https://openproperties.uk/w10/first-avenue/40"
    },
    {
      "paon": "44",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "2000-05-12",
      "last_sale_date": "2000-05-12",
      "last_price": 235000,
      "url": "https://openproperties.uk/w10/first-avenue/44"
    },
    {
      "paon": "52",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "2025-07-18",
      "last_sale_date": "2025-07-18",
      "last_price": 825000,
      "url": "https://openproperties.uk/w10/first-avenue/52"
    },
    {
      "paon": "54",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 2,
      "first_sale_date": "2001-08-30",
      "last_sale_date": "2004-01-28",
      "last_price": 270000,
      "url": "https://openproperties.uk/w10/first-avenue/54"
    },
    {
      "paon": "56",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "2024-04-04",
      "last_sale_date": "2024-04-04",
      "last_price": 703000,
      "url": "https://openproperties.uk/w10/first-avenue/56"
    },
    {
      "paon": "60",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 2,
      "first_sale_date": "2014-08-20",
      "last_sale_date": "2018-08-30",
      "last_price": 825000,
      "url": "https://openproperties.uk/w10/first-avenue/60"
    },
    {
      "paon": "64",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 4,
      "first_sale_date": "2000-08-07",
      "last_sale_date": "2022-03-29",
      "last_price": 960000,
      "url": "https://openproperties.uk/w10/first-avenue/64"
    },
    {
      "paon": "68",
      "saon": null,
      "postcode": "W10 4NL",
      "sale_count": 1,
      "first_sale_date": "1996-08-23",
      "last_sale_date": "1996-08-23",
      "last_price": 106950,
      "url": "https://openproperties.uk/w10/first-avenue/68"
    }
  ],
  "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
  }
}