{
  "url": "https://openproperties.uk/s20/helmsley-avenue",
  "outcode": "S20",
  "street": "HELMSLEY AVENUE",
  "street_slug": "helmsley-avenue",
  "property_count": 19,
  "truncated": false,
  "properties": [
    {
      "paon": "1",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2018-02-16",
      "last_sale_date": "2018-02-16",
      "last_price": 130000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/1"
    },
    {
      "paon": "3",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2006-02-24",
      "last_sale_date": "2006-02-24",
      "last_price": 157950,
      "url": "https://openproperties.uk/s20/helmsley-avenue/3"
    },
    {
      "paon": "4",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 4,
      "first_sale_date": "2001-11-30",
      "last_sale_date": "2024-09-13",
      "last_price": 200000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/4"
    },
    {
      "paon": "5",
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      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2020-01-31",
      "last_sale_date": "2020-01-31",
      "last_price": 210000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/5"
    },
    {
      "paon": "6",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 3,
      "first_sale_date": "1997-01-31",
      "last_sale_date": "2017-12-01",
      "last_price": 149000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/6"
    },
    {
      "paon": "7",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
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      "last_sale_date": "2018-06-05",
      "last_price": 150000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/7"
    },
    {
      "paon": "8",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "1995-12-18",
      "last_sale_date": "1995-12-18",
      "last_price": 43950,
      "url": "https://openproperties.uk/s20/helmsley-avenue/8"
    },
    {
      "paon": "9",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2009-10-30",
      "last_sale_date": "2009-10-30",
      "last_price": 145000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/9"
    },
    {
      "paon": "10",
      "saon": null,
      "postcode": "S20 4SF",
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      "first_sale_date": "2010-02-05",
      "last_sale_date": "2019-04-29",
      "last_price": 148000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/10"
    },
    {
      "paon": "11",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2006-09-15",
      "last_sale_date": "2006-09-15",
      "last_price": 179950,
      "url": "https://openproperties.uk/s20/helmsley-avenue/11"
    },
    {
      "paon": "12",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 2,
      "first_sale_date": "1995-04-07",
      "last_sale_date": "2018-09-19",
      "last_price": 153000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/12"
    },
    {
      "paon": "14",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2002-06-14",
      "last_sale_date": "2002-06-14",
      "last_price": 62500,
      "url": "https://openproperties.uk/s20/helmsley-avenue/14"
    },
    {
      "paon": "15",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2023-06-22",
      "last_sale_date": "2023-06-22",
      "last_price": 185000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/15"
    },
    {
      "paon": "16",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "2000-06-30",
      "last_sale_date": "2000-06-30",
      "last_price": 49000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/16"
    },
    {
      "paon": "20",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 3,
      "first_sale_date": "1996-09-27",
      "last_sale_date": "2007-02-05",
      "last_price": 129995,
      "url": "https://openproperties.uk/s20/helmsley-avenue/20"
    },
    {
      "paon": "21",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 2,
      "first_sale_date": "2005-08-26",
      "last_sale_date": "2025-09-02",
      "last_price": 230000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/21"
    },
    {
      "paon": "23",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 1,
      "first_sale_date": "1996-04-24",
      "last_sale_date": "1996-04-24",
      "last_price": 58000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/23"
    },
    {
      "paon": "24",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 2,
      "first_sale_date": "1996-09-27",
      "last_sale_date": "2001-10-26",
      "last_price": 74950,
      "url": "https://openproperties.uk/s20/helmsley-avenue/24"
    },
    {
      "paon": "27",
      "saon": null,
      "postcode": "S20 4SF",
      "sale_count": 3,
      "first_sale_date": "2002-06-05",
      "last_sale_date": "2020-03-16",
      "last_price": 176000,
      "url": "https://openproperties.uk/s20/helmsley-avenue/27"
    }
  ],
  "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
  }
}