{
  "url": "https://openproperties.uk/hp21/northumberland-avenue",
  "outcode": "HP21",
  "street": "NORTHUMBERLAND AVENUE",
  "street_slug": "northumberland-avenue",
  "property_count": 60,
  "truncated": false,
  "properties": [
    {
      "paon": "2",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 1,
      "first_sale_date": "2020-10-09",
      "last_sale_date": "2020-10-09",
      "last_price": 780000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/2"
    },
    {
      "paon": "3",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 2,
      "first_sale_date": "1998-07-31",
      "last_sale_date": "2009-05-29",
      "last_price": 455000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/3"
    },
    {
      "paon": "4",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 1,
      "first_sale_date": "2019-09-06",
      "last_sale_date": "2019-09-06",
      "last_price": 650000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/4"
    },
    {
      "paon": "5",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 1,
      "first_sale_date": "2020-10-05",
      "last_sale_date": "2020-10-05",
      "last_price": 600000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/5"
    },
    {
      "paon": "6",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 3,
      "first_sale_date": "1996-11-29",
      "last_sale_date": "2026-04-16",
      "last_price": 950000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/6"
    },
    {
      "paon": "7",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 1,
      "first_sale_date": "2022-08-16",
      "last_sale_date": "2022-08-16",
      "last_price": 580000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/7"
    },
    {
      "paon": "10",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 2,
      "first_sale_date": "1998-10-01",
      "last_sale_date": "2001-11-29",
      "last_price": 340000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/10"
    },
    {
      "paon": "11",
      "saon": null,
      "postcode": "HP21 7HQ",
      "sale_count": 1,
      "first_sale_date": "2017-10-20",
      "last_sale_date": "2017-10-20",
      "last_price": 511000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/11"
    },
    {
      "paon": "12",
      "saon": null,
      "postcode": "HP21 7HG",
      "sale_count": 1,
      "first_sale_date": "2003-06-27",
      "last_sale_date": "2003-06-27",
      "last_price": 340000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/12"
    },
    {
      "paon": "13",
      "saon": null,
      "postcode": "HP21 7HQ",
      "sale_count": 2,
      "first_sale_date": "1998-12-11",
      "last_sale_date": "2021-07-01",
      "last_price": 450000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/13"
    },
    {
      "paon": "14",
      "saon": null,
      "postcode": "HP21 7HQ",
      "sale_count": 1,
      "first_sale_date": "1998-09-16",
      "last_sale_date": "1998-09-16",
      "last_price": 225000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/14"
    },
    {
      "paon": "15",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2021-09-24",
      "last_sale_date": "2021-09-24",
      "last_price": 650000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/15"
    },
    {
      "paon": "16",
      "saon": null,
      "postcode": "HP21 7HQ",
      "sale_count": 2,
      "first_sale_date": "1997-11-21",
      "last_sale_date": "2003-10-31",
      "last_price": 325000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/16"
    },
    {
      "paon": "17",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 3,
      "first_sale_date": "2005-12-15",
      "last_sale_date": "2010-08-19",
      "last_price": 525000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/17"
    },
    {
      "paon": "18",
      "saon": null,
      "postcode": "HP21 7HQ",
      "sale_count": 1,
      "first_sale_date": "2019-11-29",
      "last_sale_date": "2019-11-29",
      "last_price": 633000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/18"
    },
    {
      "paon": "19",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 2,
      "first_sale_date": "2013-09-05",
      "last_sale_date": "2024-09-12",
      "last_price": 735000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/19"
    },
    {
      "paon": "24",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "1997-06-19",
      "last_sale_date": "1997-06-19",
      "last_price": 210000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/24"
    },
    {
      "paon": "27",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2012-04-05",
      "last_sale_date": "2012-04-05",
      "last_price": 382500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/27"
    },
    {
      "paon": "28",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2016-12-01",
      "last_sale_date": "2016-12-01",
      "last_price": 540000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/28"
    },
    {
      "paon": "30",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2022-07-13",
      "last_sale_date": "2022-07-13",
      "last_price": 610000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/30"
    },
    {
      "paon": "31",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2012-06-28",
      "last_sale_date": "2012-06-28",
      "last_price": 340000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/31"
    },
    {
      "paon": "32",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2022-04-29",
      "last_sale_date": "2022-04-29",
      "last_price": 640000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/32"
    },
    {
      "paon": "33",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 3,
      "first_sale_date": "2005-09-26",
      "last_sale_date": "2020-07-09",
      "last_price": 580000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/33"
    },
    {
      "paon": "34",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2010-05-11",
      "last_sale_date": "2010-05-11",
      "last_price": 357500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/34"
    },
    {
      "paon": "35",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2015-08-21",
      "last_sale_date": "2015-08-21",
      "last_price": 432500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/35"
    },
    {
      "paon": "36",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2024-10-09",
      "last_sale_date": "2024-10-09",
      "last_price": 650000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/36"
    },
    {
      "paon": "37",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2010-02-10",
      "last_sale_date": "2010-02-10",
      "last_price": 410000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/37"
    },
    {
      "paon": "39",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 2,
      "first_sale_date": "2010-12-03",
      "last_sale_date": "2021-11-12",
      "last_price": 810000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/39"
    },
    {
      "paon": "40",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 2,
      "first_sale_date": "2012-07-10",
      "last_sale_date": "2014-08-05",
      "last_price": 585000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/40"
    },
    {
      "paon": "41",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 2,
      "first_sale_date": "2009-08-14",
      "last_sale_date": "2014-09-19",
      "last_price": 400000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/41"
    },
    {
      "paon": "42",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2006-09-28",
      "last_sale_date": "2006-09-28",
      "last_price": 455000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/42"
    },
    {
      "paon": "43",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2023-07-06",
      "last_sale_date": "2023-07-06",
      "last_price": 650000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/43"
    },
    {
      "paon": "44",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2018-11-15",
      "last_sale_date": "2018-11-15",
      "last_price": 525000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/44"
    },
    {
      "paon": "45",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2019-01-18",
      "last_sale_date": "2019-01-18",
      "last_price": 395000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/45"
    },
    {
      "paon": "46",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 2,
      "first_sale_date": "2004-03-19",
      "last_sale_date": "2010-01-27",
      "last_price": 425000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/46"
    },
    {
      "paon": "48",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2021-02-02",
      "last_sale_date": "2021-02-02",
      "last_price": 590000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/48"
    },
    {
      "paon": "49",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 4,
      "first_sale_date": "1996-11-29",
      "last_sale_date": "2026-03-23",
      "last_price": 490000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/49"
    },
    {
      "paon": "52",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2017-06-12",
      "last_sale_date": "2017-06-12",
      "last_price": 546500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/52"
    },
    {
      "paon": "53",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2005-10-18",
      "last_sale_date": "2022-09-05",
      "last_price": 475000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/53"
    },
    {
      "paon": "54",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 5,
      "first_sale_date": "2001-03-09",
      "last_sale_date": "2022-09-16",
      "last_price": 652500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/54"
    },
    {
      "paon": "55",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2001-07-18",
      "last_sale_date": "2001-07-18",
      "last_price": 151000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/55"
    },
    {
      "paon": "57",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "1996-12-18",
      "last_sale_date": "1996-12-18",
      "last_price": 86950,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/57"
    },
    {
      "paon": "60",
      "saon": null,
      "postcode": "HP21 7HJ",
      "sale_count": 1,
      "first_sale_date": "2019-03-07",
      "last_sale_date": "2019-03-07",
      "last_price": 367000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/60"
    },
    {
      "paon": "61",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2005-11-03",
      "last_sale_date": "2024-01-26",
      "last_price": 358000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/61"
    },
    {
      "paon": "63",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2016-07-18",
      "last_sale_date": "2016-07-18",
      "last_price": 355000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/63"
    },
    {
      "paon": "64",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2020-09-24",
      "last_sale_date": "2020-09-24",
      "last_price": 249950,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/64"
    },
    {
      "paon": "65",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2012-02-28",
      "last_sale_date": "2016-06-17",
      "last_price": 340000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/65"
    },
    {
      "paon": "67",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 4,
      "first_sale_date": "1997-04-11",
      "last_sale_date": "2024-06-19",
      "last_price": 420000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/67"
    },
    {
      "paon": "68",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 4,
      "first_sale_date": "1998-07-17",
      "last_sale_date": "2016-07-07",
      "last_price": 405000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/68"
    },
    {
      "paon": "72",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 3,
      "first_sale_date": "1999-07-29",
      "last_sale_date": "2019-12-13",
      "last_price": 472000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/72"
    },
    {
      "paon": "73",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2023-02-13",
      "last_sale_date": "2023-02-13",
      "last_price": 387500,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/73"
    },
    {
      "paon": "74",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 3,
      "first_sale_date": "2001-01-18",
      "last_sale_date": "2021-10-05",
      "last_price": 375000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/74"
    },
    {
      "paon": "75",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2004-08-06",
      "last_sale_date": "2010-05-24",
      "last_price": 274000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/75"
    },
    {
      "paon": "76",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "1998-11-24",
      "last_sale_date": "1998-11-24",
      "last_price": 110000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/76"
    },
    {
      "paon": "80",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2024-06-19",
      "last_sale_date": "2024-06-19",
      "last_price": 300000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/80"
    },
    {
      "paon": "82",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2017-09-07",
      "last_sale_date": "2017-09-07",
      "last_price": 384000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/82"
    },
    {
      "paon": "84",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 1,
      "first_sale_date": "2014-01-29",
      "last_sale_date": "2014-01-29",
      "last_price": 293000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/84"
    },
    {
      "paon": "86",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2014-08-14",
      "last_sale_date": "2018-09-21",
      "last_price": 430000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/86"
    },
    {
      "paon": "90",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2008-10-22",
      "last_sale_date": "2016-01-22",
      "last_price": 365000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/90"
    },
    {
      "paon": "92",
      "saon": null,
      "postcode": "HP21 7HL",
      "sale_count": 2,
      "first_sale_date": "2016-03-30",
      "last_sale_date": "2017-01-06",
      "last_price": 395000,
      "url": "https://openproperties.uk/hp21/northumberland-avenue/92"
    }
  ],
  "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
  }
}