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      "first_sale_date": "1998-09-03",
      "last_sale_date": "2025-10-10",
      "last_price": 3300000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/70-72/flat-12"
    },
    {
      "paon": "71",
      "saon": null,
      "postcode": "SW1X 0DY",
      "sale_count": 2,
      "first_sale_date": "2004-03-05",
      "last_sale_date": "2006-06-30",
      "last_price": 1850000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/71"
    },
    {
      "paon": "71",
      "saon": "FLAT 2",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2004-02-27",
      "last_sale_date": "2004-02-27",
      "last_price": 778500,
      "url": "https://openproperties.uk/sw1x/cadogan-square/71/flat-2"
    },
    {
      "paon": "73",
      "saon": null,
      "postcode": "SW1X 0DY",
      "sale_count": 2,
      "first_sale_date": "1997-01-17",
      "last_sale_date": "2001-10-18",
      "last_price": 450000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73"
    },
    {
      "paon": "73",
      "saon": "BASEMENT FLAT",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2023-08-25",
      "last_sale_date": "2023-08-25",
      "last_price": 1250000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/basement-flat"
    },
    {
      "paon": "73",
      "saon": "BASEMENT FLAT/CARETAKERS FLAT",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2015-10-27",
      "last_sale_date": "2015-10-27",
      "last_price": 300000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/basement-flat-caretakers-flat"
    },
    {
      "paon": "73",
      "saon": "FLAT 1",
      "postcode": "SW1X 0DY",
      "sale_count": 4,
      "first_sale_date": "2000-02-28",
      "last_sale_date": "2017-09-08",
      "last_price": 3451000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/flat-1"
    },
    {
      "paon": "73",
      "saon": "FLAT 2",
      "postcode": "SW1X 0DY",
      "sale_count": 3,
      "first_sale_date": "2003-05-16",
      "last_sale_date": "2024-09-27",
      "last_price": 3800000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/flat-2"
    },
    {
      "paon": "73",
      "saon": "FLAT 3",
      "postcode": "SW1X 0DY",
      "sale_count": 2,
      "first_sale_date": "2002-09-24",
      "last_sale_date": "2007-07-12",
      "last_price": 1850000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/flat-3"
    },
    {
      "paon": "73",
      "saon": "FLAT 5",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2025-04-11",
      "last_sale_date": "2025-04-11",
      "last_price": 1700000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/flat-5"
    },
    {
      "paon": "73",
      "saon": "FLAT AT",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2010-01-18",
      "last_sale_date": "2010-01-18",
      "last_price": 1650000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/73/flat-at"
    },
    {
      "paon": "74",
      "saon": null,
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2021-09-01",
      "last_sale_date": "2021-09-01",
      "last_price": 750000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74"
    },
    {
      "paon": "74",
      "saon": "FLAT 1",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2001-04-06",
      "last_sale_date": "2001-04-06",
      "last_price": 325000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-1"
    },
    {
      "paon": "74",
      "saon": "FLAT 2",
      "postcode": "SW1X 0EA",
      "sale_count": 4,
      "first_sale_date": "2001-12-12",
      "last_sale_date": "2014-04-04",
      "last_price": 2275000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-2"
    },
    {
      "paon": "74",
      "saon": "FLAT 3",
      "postcode": "SW1X 0EA",
      "sale_count": 3,
      "first_sale_date": "2003-10-31",
      "last_sale_date": "2020-03-10",
      "last_price": 1900000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-3"
    },
    {
      "paon": "74",
      "saon": "FLAT 4",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "2007-11-12",
      "last_sale_date": "2025-11-03",
      "last_price": 1392000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-4"
    },
    {
      "paon": "74",
      "saon": "FLAT 5",
      "postcode": "SW1X 0EA",
      "sale_count": 3,
      "first_sale_date": "1996-08-02",
      "last_sale_date": "2022-09-23",
      "last_price": 1392500,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-5"
    },
    {
      "paon": "74",
      "saon": "FLAT 6",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "1996-12-04",
      "last_sale_date": "1997-06-05",
      "last_price": 390000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-6"
    },
    {
      "paon": "74",
      "saon": "FLAT 7",
      "postcode": "SW1X 0EA",
      "sale_count": 3,
      "first_sale_date": "1998-07-09",
      "last_sale_date": "2018-09-28",
      "last_price": 1575000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-7"
    },
    {
      "paon": "74",
      "saon": "FLAT 8",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "2008-06-30",
      "last_sale_date": "2014-12-18",
      "last_price": 4925000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/74/flat-8"
    },
    {
      "paon": "75 - 77",
      "saon": "FLAT 1",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2002-02-25",
      "last_sale_date": "2002-02-25",
      "last_price": 2925000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/75-77/flat-1"
    },
    {
      "paon": "75 - 77",
      "saon": "FLAT 3",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "1996-05-29",
      "last_sale_date": "1996-05-29",
      "last_price": 600000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/75-77/flat-3"
    },
    {
      "paon": "75 - 77",
      "saon": "FOURTH AND FIFTH FLOOR FLAT",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2008-06-27",
      "last_sale_date": "2008-06-27",
      "last_price": 1342950,
      "url": "https://openproperties.uk/sw1x/cadogan-square/75-77/fourth-and-fifth-floor-flat"
    },
    {
      "paon": "75 - 77",
      "saon": "GROUND FLOOR FLAT",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "1997-01-31",
      "last_sale_date": "1997-01-31",
      "last_price": 1144900,
      "url": "https://openproperties.uk/sw1x/cadogan-square/75-77/ground-floor-flat"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 1",
      "postcode": "SW1X 0EA",
      "sale_count": 3,
      "first_sale_date": "2005-03-23",
      "last_sale_date": "2008-02-12",
      "last_price": 3650000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-1"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 2",
      "postcode": "SW1X 0EA",
      "sale_count": 3,
      "first_sale_date": "1997-08-05",
      "last_sale_date": "2005-11-21",
      "last_price": 1625000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-2"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 3",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2005-09-28",
      "last_sale_date": "2005-09-28",
      "last_price": 740000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-3"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 4",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2021-05-19",
      "last_sale_date": "2021-05-19",
      "last_price": 2000000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-4"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 11",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "2004-04-22",
      "last_sale_date": "2025-01-22",
      "last_price": 2660000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-11"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 12",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2018-03-20",
      "last_sale_date": "2018-03-20",
      "last_price": 1850000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-12"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 12A",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2000-01-28",
      "last_sale_date": "2000-01-28",
      "last_price": 810000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-12a"
    },
    {
      "paon": "76 - 82",
      "saon": "FLAT 14",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "1997-10-31",
      "last_sale_date": "1998-08-04",
      "last_price": 220000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76-82/flat-14"
    },
    {
      "paon": "76",
      "saon": "FLAT 5",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "1995-05-03",
      "last_sale_date": "2000-07-18",
      "last_price": 783500,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76/flat-5"
    },
    {
      "paon": "76",
      "saon": "FLAT 7",
      "postcode": "SW1X 0EA",
      "sale_count": 5,
      "first_sale_date": "1997-09-16",
      "last_sale_date": "2020-09-22",
      "last_price": 1500000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/76/flat-7"
    },
    {
      "paon": "78",
      "saon": null,
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "2000-02-29",
      "last_sale_date": "2006-02-03",
      "last_price": 1282500,
      "url": "https://openproperties.uk/sw1x/cadogan-square/78"
    },
    {
      "paon": "78",
      "saon": "FLAT 6",
      "postcode": "SW1X 0EA",
      "sale_count": 1,
      "first_sale_date": "2006-02-28",
      "last_sale_date": "2006-02-28",
      "last_price": 765000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/78/flat-6"
    },
    {
      "paon": "78",
      "saon": "FLAT 9",
      "postcode": "SW1X 0EA",
      "sale_count": 2,
      "first_sale_date": "2020-11-05",
      "last_sale_date": "2022-03-07",
      "last_price": 5000000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/78/flat-9"
    },
    {
      "paon": "79",
      "saon": null,
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2022-12-15",
      "last_sale_date": "2022-12-15",
      "last_price": 991250,
      "url": "https://openproperties.uk/sw1x/cadogan-square/79"
    },
    {
      "paon": "79",
      "saon": "FLAT 1",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2021-06-28",
      "last_sale_date": "2021-06-28",
      "last_price": 2650000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/79/flat-1"
    },
    {
      "paon": "79",
      "saon": "FLAT 4",
      "postcode": "SW1X 0DY",
      "sale_count": 1,
      "first_sale_date": "2020-03-10",
      "last_sale_date": "2020-03-10",
      "last_price": 2475000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/79/flat-4"
    },
    {
      "paon": "79",
      "saon": "FLAT 5",
      "postcode": "SW1X 0DY",
      "sale_count": 3,
      "first_sale_date": "2003-11-06",
      "last_sale_date": "2023-01-27",
      "last_price": 2750000,
      "url": "https://openproperties.uk/sw1x/cadogan-square/79/flat-5"
    },
    {
      "paon": "81",
      "saon": null,
      "postcode": "SW1X 0DY",
      "sale_count": 3,
      "first_sale_date": "1997-05-22",
      "last_sale_date": "2016-10-14",
      "last_price": 37100,
      "url": "https://openproperties.uk/sw1x/cadogan-square/81"
    },
    {
      "paon": "84",
      "saon": null,
      "postcode": "SW1X 0DZ",
      "sale_count": 2,
      "first_sale_date": "1999-07-07",
      "last_sale_date": "2022-06-28",
      "last_price": 12672340,
      "url": "https://openproperties.uk/sw1x/cadogan-square/84"
    }
  ],
  "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
  }
}