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    },
    {
      "paon": "78",
      "saon": null,
      "postcode": "SW1W 9DU",
      "sale_count": 3,
      "first_sale_date": "2000-03-07",
      "last_sale_date": "2023-03-31",
      "last_price": 10300000,
      "url": "https://openproperties.uk/sw1w/chester-square/78"
    },
    {
      "paon": "79",
      "saon": null,
      "postcode": "SW1W 9DU",
      "sale_count": 1,
      "first_sale_date": "2021-12-17",
      "last_sale_date": "2021-12-17",
      "last_price": 13000000,
      "url": "https://openproperties.uk/sw1w/chester-square/79"
    },
    {
      "paon": "80",
      "saon": null,
      "postcode": "SW1W 9DU",
      "sale_count": 1,
      "first_sale_date": "2018-12-12",
      "last_sale_date": "2018-12-12",
      "last_price": 18000000,
      "url": "https://openproperties.uk/sw1w/chester-square/80"
    },
    {
      "paon": "81",
      "saon": null,
      "postcode": "SW1W 9DP",
      "sale_count": 1,
      "first_sale_date": "2021-07-01",
      "last_sale_date": "2021-07-01",
      "last_price": 4125000,
      "url": "https://openproperties.uk/sw1w/chester-square/81"
    },
    {
      "paon": "81A",
      "saon": null,
      "postcode": "SW1W 9DP",
      "sale_count": 3,
      "first_sale_date": "1997-09-08",
      "last_sale_date": "2015-07-31",
      "last_price": 1740000,
      "url": "https://openproperties.uk/sw1w/chester-square/81a"
    },
    {
      "paon": "82 - 83",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 1,
      "first_sale_date": "2005-12-06",
      "last_sale_date": "2005-12-06",
      "last_price": 1825000,
      "url": "https://openproperties.uk/sw1w/chester-square/82-83"
    },
    {
      "paon": "82A",
      "saon": null,
      "postcode": "SW1W 0LP",
      "sale_count": 1,
      "first_sale_date": "2009-10-02",
      "last_sale_date": "2009-10-02",
      "last_price": 3479875,
      "url": "https://openproperties.uk/sw1w/chester-square/82a"
    },
    {
      "paon": "83A",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 1,
      "first_sale_date": "2021-06-22",
      "last_sale_date": "2021-06-22",
      "last_price": 5000000,
      "url": "https://openproperties.uk/sw1w/chester-square/83a"
    },
    {
      "paon": "84",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 2,
      "first_sale_date": "1999-09-29",
      "last_sale_date": "2006-06-13",
      "last_price": 3450000,
      "url": "https://openproperties.uk/sw1w/chester-square/84"
    },
    {
      "paon": "85",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 2,
      "first_sale_date": "2001-03-19",
      "last_sale_date": "2008-04-15",
      "last_price": 1925000,
      "url": "https://openproperties.uk/sw1w/chester-square/85"
    },
    {
      "paon": "86",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 3,
      "first_sale_date": "2002-11-20",
      "last_sale_date": "2006-09-08",
      "last_price": 6100000,
      "url": "https://openproperties.uk/sw1w/chester-square/86"
    },
    {
      "paon": "87",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 2,
      "first_sale_date": "2006-04-28",
      "last_sale_date": "2017-04-05",
      "last_price": 11500000,
      "url": "https://openproperties.uk/sw1w/chester-square/87"
    },
    {
      "paon": "88",
      "saon": null,
      "postcode": "SW1W 9HJ",
      "sale_count": 4,
      "first_sale_date": "2005-11-11",
      "last_sale_date": "2020-01-22",
      "last_price": 6350000,
      "url": "https://openproperties.uk/sw1w/chester-square/88"
    }
  ],
  "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
  }
}