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      "first_sale_date": "1996-02-19",
      "last_sale_date": "1996-02-19",
      "last_price": 167000,
      "url": "https://openproperties.uk/ha4/park-avenue/102"
    },
    {
      "paon": "103",
      "saon": null,
      "postcode": "HA4 7UL",
      "sale_count": 3,
      "first_sale_date": "2012-02-10",
      "last_sale_date": "2018-04-11",
      "last_price": 800000,
      "url": "https://openproperties.uk/ha4/park-avenue/103"
    },
    {
      "paon": "103A",
      "saon": null,
      "postcode": "HA4 7UL",
      "sale_count": 3,
      "first_sale_date": "2007-01-01",
      "last_sale_date": "2013-08-28",
      "last_price": 625000,
      "url": "https://openproperties.uk/ha4/park-avenue/103a"
    },
    {
      "paon": "104",
      "saon": null,
      "postcode": "HA4 7UP",
      "sale_count": 2,
      "first_sale_date": "2009-05-20",
      "last_sale_date": "2017-09-21",
      "last_price": 760000,
      "url": "https://openproperties.uk/ha4/park-avenue/104"
    },
    {
      "paon": "106",
      "saon": null,
      "postcode": "HA4 7UP",
      "sale_count": 1,
      "first_sale_date": "2012-08-24",
      "last_sale_date": "2012-08-24",
      "last_price": 514000,
      "url": "https://openproperties.uk/ha4/park-avenue/106"
    },
    {
      "paon": "108",
      "saon": null,
      "postcode": "HA4 7UP",
      "sale_count": 2,
      "first_sale_date": "1997-07-31",
      "last_sale_date": "2000-08-08",
      "last_price": 250000,
      "url": "https://openproperties.uk/ha4/park-avenue/108"
    },
    {
      "paon": "112",
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      "postcode": "HA4 7UP",
      "sale_count": 1,
      "first_sale_date": "1995-01-06",
      "last_sale_date": "1995-01-06",
      "last_price": 184000,
      "url": "https://openproperties.uk/ha4/park-avenue/112"
    },
    {
      "paon": "114",
      "saon": null,
      "postcode": "HA4 7UP",
      "sale_count": 1,
      "first_sale_date": "2006-07-24",
      "last_sale_date": "2006-07-24",
      "last_price": 460000,
      "url": "https://openproperties.uk/ha4/park-avenue/114"
    },
    {
      "paon": "116",
      "saon": null,
      "postcode": "HA4 7UP",
      "sale_count": 2,
      "first_sale_date": "2000-03-06",
      "last_sale_date": "2017-08-01",
      "last_price": 1070000,
      "url": "https://openproperties.uk/ha4/park-avenue/116"
    },
    {
      "paon": "127",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 2,
      "first_sale_date": "1999-04-26",
      "last_sale_date": "2002-10-04",
      "last_price": 604000,
      "url": "https://openproperties.uk/ha4/park-avenue/127"
    },
    {
      "paon": "129",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2014-08-29",
      "last_sale_date": "2014-08-29",
      "last_price": 825000,
      "url": "https://openproperties.uk/ha4/park-avenue/129"
    },
    {
      "paon": "131",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 3,
      "first_sale_date": "2006-03-01",
      "last_sale_date": "2021-03-22",
      "last_price": 923000,
      "url": "https://openproperties.uk/ha4/park-avenue/131"
    },
    {
      "paon": "139",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2019-04-18",
      "last_sale_date": "2019-04-18",
      "last_price": 1085000,
      "url": "https://openproperties.uk/ha4/park-avenue/139"
    },
    {
      "paon": "143",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 2,
      "first_sale_date": "2008-10-03",
      "last_sale_date": "2018-11-23",
      "last_price": 1250000,
      "url": "https://openproperties.uk/ha4/park-avenue/143"
    },
    {
      "paon": "145",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "1996-09-11",
      "last_sale_date": "1996-09-11",
      "last_price": 207500,
      "url": "https://openproperties.uk/ha4/park-avenue/145"
    },
    {
      "paon": "151",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 2,
      "first_sale_date": "2005-08-10",
      "last_sale_date": "2023-12-15",
      "last_price": 1080000,
      "url": "https://openproperties.uk/ha4/park-avenue/151"
    },
    {
      "paon": "153",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "1998-08-03",
      "last_sale_date": "1998-08-03",
      "last_price": 235000,
      "url": "https://openproperties.uk/ha4/park-avenue/153"
    },
    {
      "paon": "155",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2006-12-12",
      "last_sale_date": "2006-12-12",
      "last_price": 549950,
      "url": "https://openproperties.uk/ha4/park-avenue/155"
    },
    {
      "paon": "159",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2024-08-29",
      "last_sale_date": "2024-08-29",
      "last_price": 890000,
      "url": "https://openproperties.uk/ha4/park-avenue/159"
    },
    {
      "paon": "161",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2018-05-30",
      "last_sale_date": "2018-05-30",
      "last_price": 760000,
      "url": "https://openproperties.uk/ha4/park-avenue/161"
    },
    {
      "paon": "163",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2003-09-05",
      "last_sale_date": "2003-09-05",
      "last_price": 535000,
      "url": "https://openproperties.uk/ha4/park-avenue/163"
    },
    {
      "paon": "165",
      "saon": null,
      "postcode": "HA4 7UN",
      "sale_count": 3,
      "first_sale_date": "2005-09-09",
      "last_sale_date": "2013-03-01",
      "last_price": 630000,
      "url": "https://openproperties.uk/ha4/park-avenue/165"
    },
    {
      "paon": "167",
      "saon": "FLAT 1",
      "postcode": "HA4 7UN",
      "sale_count": 2,
      "first_sale_date": "1995-02-23",
      "last_sale_date": "1997-05-23",
      "last_price": 90100,
      "url": "https://openproperties.uk/ha4/park-avenue/167/flat-1"
    },
    {
      "paon": "167",
      "saon": "FLAT 2",
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "1998-08-21",
      "last_sale_date": "1998-08-21",
      "last_price": 83500,
      "url": "https://openproperties.uk/ha4/park-avenue/167/flat-2"
    },
    {
      "paon": "167",
      "saon": "FLAT 3",
      "postcode": "HA4 7UN",
      "sale_count": 1,
      "first_sale_date": "2000-08-25",
      "last_sale_date": "2000-08-25",
      "last_price": 190000,
      "url": "https://openproperties.uk/ha4/park-avenue/167/flat-3"
    },
    {
      "paon": "171",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 2,
      "first_sale_date": "2014-05-07",
      "last_sale_date": "2022-01-28",
      "last_price": 1067500,
      "url": "https://openproperties.uk/ha4/park-avenue/171"
    },
    {
      "paon": "173",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2016-12-08",
      "last_sale_date": "2016-12-08",
      "last_price": 970000,
      "url": "https://openproperties.uk/ha4/park-avenue/173"
    },
    {
      "paon": "175",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2002-12-17",
      "last_sale_date": "2002-12-17",
      "last_price": 380000,
      "url": "https://openproperties.uk/ha4/park-avenue/175"
    },
    {
      "paon": "177",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2005-05-11",
      "last_sale_date": "2005-05-11",
      "last_price": 375000,
      "url": "https://openproperties.uk/ha4/park-avenue/177"
    },
    {
      "paon": "179",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 2,
      "first_sale_date": "2009-08-21",
      "last_sale_date": "2014-09-11",
      "last_price": 690000,
      "url": "https://openproperties.uk/ha4/park-avenue/179"
    },
    {
      "paon": "181",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2013-02-04",
      "last_sale_date": "2013-02-04",
      "last_price": 467500,
      "url": "https://openproperties.uk/ha4/park-avenue/181"
    },
    {
      "paon": "183",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2015-07-03",
      "last_sale_date": "2015-07-03",
      "last_price": 680000,
      "url": "https://openproperties.uk/ha4/park-avenue/183"
    },
    {
      "paon": "187",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2004-02-26",
      "last_sale_date": "2004-02-26",
      "last_price": 412000,
      "url": "https://openproperties.uk/ha4/park-avenue/187"
    },
    {
      "paon": "195",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2023-05-05",
      "last_sale_date": "2023-05-05",
      "last_price": 965000,
      "url": "https://openproperties.uk/ha4/park-avenue/195"
    },
    {
      "paon": "197",
      "saon": null,
      "postcode": "HA4 7UR",
      "sale_count": 1,
      "first_sale_date": "2016-12-13",
      "last_sale_date": "2016-12-13",
      "last_price": 700000,
      "url": "https://openproperties.uk/ha4/park-avenue/197"
    }
  ],
  "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
  }
}