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      "last_price": 615000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/266"
    },
    {
      "paon": "268",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 2,
      "first_sale_date": "2010-05-21",
      "last_sale_date": "2018-10-12",
      "last_price": 674950,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/268"
    },
    {
      "paon": "270",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 1,
      "first_sale_date": "2009-11-13",
      "last_sale_date": "2009-11-13",
      "last_price": 349000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/270"
    },
    {
      "paon": "272",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 1,
      "first_sale_date": "2020-11-23",
      "last_sale_date": "2020-11-23",
      "last_price": 580000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/272"
    },
    {
      "paon": "274",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 1,
      "first_sale_date": "2024-03-08",
      "last_sale_date": "2024-03-08",
      "last_price": 570000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/274"
    },
    {
      "paon": "278",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 2,
      "first_sale_date": "2008-03-11",
      "last_sale_date": "2025-07-03",
      "last_price": 567500,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/278"
    },
    {
      "paon": "280",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 3,
      "first_sale_date": "2002-03-14",
      "last_sale_date": "2014-03-21",
      "last_price": 439995,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/280"
    },
    {
      "paon": "282",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 2,
      "first_sale_date": "1997-08-21",
      "last_sale_date": "2008-01-14",
      "last_price": 335000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/282"
    },
    {
      "paon": "284",
      "saon": null,
      "postcode": "HA9 8TW",
      "sale_count": 2,
      "first_sale_date": "2001-08-23",
      "last_sale_date": "2010-06-28",
      "last_price": 377000,
      "url": "https://openproperties.uk/ha9/grasmere-avenue/284"
    }
  ],
  "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
  }
}