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      "last_sale_date": "2015-05-29",
      "last_price": 540000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/15/first-floor-flat"
    },
    {
      "paon": "15",
      "saon": "GROUND AND LOWER GROUND FLOOR FLAT",
      "postcode": "W2 1SU",
      "sale_count": 2,
      "first_sale_date": "2004-05-05",
      "last_sale_date": "2004-08-05",
      "last_price": 475000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/15/ground-and-lower-ground-floor-flat"
    },
    {
      "paon": "17",
      "saon": "SECOND FLOOR FLAT",
      "postcode": "W2 1SU",
      "sale_count": 4,
      "first_sale_date": "1996-11-13",
      "last_sale_date": "2005-05-13",
      "last_price": 220000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/17/second-floor-flat"
    },
    {
      "paon": "17",
      "saon": "THE BASEMENT FLAT AT",
      "postcode": "W2 1SU",
      "sale_count": 2,
      "first_sale_date": "1998-07-10",
      "last_sale_date": "2013-06-18",
      "last_price": 525000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/17/the-basement-flat-at"
    },
    {
      "paon": "17",
      "saon": "THIRD FLOOR FLAT",
      "postcode": "W2 1SU",
      "sale_count": 3,
      "first_sale_date": "2006-02-17",
      "last_sale_date": "2025-10-09",
      "last_price": 530000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/17/third-floor-flat"
    },
    {
      "paon": "19",
      "saon": "GROUND FLOOR AND BASEMENT FLAT",
      "postcode": "W2 1SU",
      "sale_count": 1,
      "first_sale_date": "2000-05-12",
      "last_sale_date": "2000-05-12",
      "last_price": 425000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/19/ground-floor-and-basement-flat"
    },
    {
      "paon": "19",
      "saon": "THIRD FLOOR FLAT",
      "postcode": "W2 1SU",
      "sale_count": 3,
      "first_sale_date": "2002-12-20",
      "last_sale_date": "2015-04-20",
      "last_price": 495000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/19/third-floor-flat"
    },
    {
      "paon": "21",
      "saon": null,
      "postcode": "W2 1SU",
      "sale_count": 2,
      "first_sale_date": "1999-12-10",
      "last_sale_date": "2000-10-13",
      "last_price": 840000,
      "url": "https://openproperties.uk/w2/st-marys-terrace/21"
    }
  ],
  "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
  }
}