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      "last_sale_date": "2023-06-16",
      "last_price": 1550000,
      "url": "https://openproperties.uk/w1k/mount-street/127/flat-4"
    },
    {
      "paon": "128",
      "saon": "FLAT 4",
      "postcode": "W1K 3NU",
      "sale_count": 2,
      "first_sale_date": "2014-02-07",
      "last_sale_date": "2015-08-04",
      "last_price": 467000,
      "url": "https://openproperties.uk/w1k/mount-street/128/flat-4"
    },
    {
      "paon": "129",
      "saon": "BASEMENT GROUND AND FIRST FLOOR PREMISES",
      "postcode": "W1K 3NX",
      "sale_count": 1,
      "first_sale_date": "2016-05-25",
      "last_sale_date": "2016-05-25",
      "last_price": 550000,
      "url": "https://openproperties.uk/w1k/mount-street/129/basement-ground-and-first-floor-premises"
    },
    {
      "paon": "130",
      "saon": null,
      "postcode": "W1K 3NY",
      "sale_count": 1,
      "first_sale_date": "2021-01-22",
      "last_sale_date": "2021-01-22",
      "last_price": 2250000,
      "url": "https://openproperties.uk/w1k/mount-street/130"
    }
  ],
  "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
  }
}