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      "first_sale_date": "2012-06-15",
      "last_sale_date": "2012-06-15",
      "last_price": 215000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/94"
    },
    {
      "paon": "97",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 1,
      "first_sale_date": "2004-12-09",
      "last_sale_date": "2004-12-09",
      "last_price": 181000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/97"
    },
    {
      "paon": "99",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 2,
      "first_sale_date": "2008-08-29",
      "last_sale_date": "2022-05-30",
      "last_price": 340000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/99"
    },
    {
      "paon": "101",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 2,
      "first_sale_date": "2010-03-19",
      "last_sale_date": "2018-03-09",
      "last_price": 265000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/101"
    },
    {
      "paon": "103",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 1,
      "first_sale_date": "1997-02-14",
      "last_sale_date": "1997-02-14",
      "last_price": 72000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/103"
    },
    {
      "paon": "105",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 2,
      "first_sale_date": "2009-08-28",
      "last_sale_date": "2016-12-09",
      "last_price": 277000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/105"
    },
    {
      "paon": "111",
      "saon": null,
      "postcode": "HP19 9PH",
      "sale_count": 1,
      "first_sale_date": "2016-07-14",
      "last_sale_date": "2016-07-14",
      "last_price": 325000,
      "url": "https://openproperties.uk/hp19/cromwell-avenue/111"
    }
  ],
  "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
  }
}