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  "url": "https://openproperties.uk/nw1/chalton-street",
  "outcode": "NW1",
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      "paon": "37",
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      "last_sale_date": "2010-10-05",
      "last_price": 100000,
      "url": "https://openproperties.uk/nw1/chalton-street/37/ground-floor-and-basement-premises"
    },
    {
      "paon": "41",
      "saon": null,
      "postcode": "NW1 1JD",
      "sale_count": 3,
      "first_sale_date": "2017-10-18",
      "last_sale_date": "2019-03-27",
      "last_price": 16000000,
      "url": "https://openproperties.uk/nw1/chalton-street/41"
    },
    {
      "paon": "41",
      "saon": "SECOND AND THIRD FLOOR PREMISES",
      "postcode": "NW1 1JD",
      "sale_count": 2,
      "first_sale_date": "2017-10-18",
      "last_sale_date": "2019-03-27",
      "last_price": 16000000,
      "url": "https://openproperties.uk/nw1/chalton-street/41/second-and-third-floor-premises"
    },
    {
      "paon": "43",
      "saon": null,
      "postcode": "NW1 1JD",
      "sale_count": 1,
      "first_sale_date": "2017-10-18",
      "last_sale_date": "2017-10-18",
      "last_price": 4955520,
      "url": "https://openproperties.uk/nw1/chalton-street/43"
    },
    {
      "paon": "46",
      "saon": "GROUND FLOOR SHOP",
      "postcode": "NW1 1HS",
      "sale_count": 1,
      "first_sale_date": "2025-09-01",
      "last_sale_date": "2025-09-01",
      "last_price": 47500,
      "url": "https://openproperties.uk/nw1/chalton-street/46/ground-floor-shop"
    },
    {
      "paon": "47",
      "saon": null,
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 2500000,
      "url": "https://openproperties.uk/nw1/chalton-street/47"
    },
    {
      "paon": "51",
      "saon": "FLAT 1",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 585000,
      "url": "https://openproperties.uk/nw1/chalton-street/51/flat-1"
    },
    {
      "paon": "51",
      "saon": "FLAT 2",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 585000,
      "url": "https://openproperties.uk/nw1/chalton-street/51/flat-2"
    },
    {
      "paon": "51",
      "saon": "FLAT 3",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 575000,
      "url": "https://openproperties.uk/nw1/chalton-street/51/flat-3"
    },
    {
      "paon": "51",
      "saon": "FLAT 4",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 575000,
      "url": "https://openproperties.uk/nw1/chalton-street/51/flat-4"
    },
    {
      "paon": "51",
      "saon": "FLAT 5",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2024-04-05",
      "last_sale_date": "2024-04-05",
      "last_price": 850000,
      "url": "https://openproperties.uk/nw1/chalton-street/51/flat-5"
    },
    {
      "paon": "57",
      "saon": "FLAT 1",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "1997-02-04",
      "last_sale_date": "1997-02-04",
      "last_price": 145000,
      "url": "https://openproperties.uk/nw1/chalton-street/57/flat-1"
    },
    {
      "paon": "59",
      "saon": null,
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2014-11-07",
      "last_sale_date": "2014-11-07",
      "last_price": 13000,
      "url": "https://openproperties.uk/nw1/chalton-street/59"
    },
    {
      "paon": "61",
      "saon": "FLAT A",
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2015-08-24",
      "last_sale_date": "2015-08-24",
      "last_price": 585000,
      "url": "https://openproperties.uk/nw1/chalton-street/61/flat-a"
    },
    {
      "paon": "61",
      "saon": "FLAT D",
      "postcode": "NW1 1HY",
      "sale_count": 2,
      "first_sale_date": "2005-08-01",
      "last_sale_date": "2013-07-04",
      "last_price": 215000,
      "url": "https://openproperties.uk/nw1/chalton-street/61/flat-d"
    },
    {
      "paon": "63",
      "saon": null,
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2023-05-16",
      "last_sale_date": "2023-05-16",
      "last_price": 1350000,
      "url": "https://openproperties.uk/nw1/chalton-street/63"
    },
    {
      "paon": "67 - 69",
      "saon": null,
      "postcode": "NW1 1HY",
      "sale_count": 1,
      "first_sale_date": "2000-03-31",
      "last_sale_date": "2000-03-31",
      "last_price": 180000,
      "url": "https://openproperties.uk/nw1/chalton-street/67-69"
    },
    {
      "paon": "144",
      "saon": null,
      "postcode": "NW1 1NP",
      "sale_count": 3,
      "first_sale_date": "2010-12-17",
      "last_sale_date": "2023-02-03",
      "last_price": 888888,
      "url": "https://openproperties.uk/nw1/chalton-street/144"
    },
    {
      "paon": "145",
      "saon": null,
      "postcode": "NW1 1NR",
      "sale_count": 1,
      "first_sale_date": "2014-04-02",
      "last_sale_date": "2014-04-02",
      "last_price": 1610000,
      "url": "https://openproperties.uk/nw1/chalton-street/145"
    },
    {
      "paon": "146",
      "saon": null,
      "postcode": "NW1 1NP",
      "sale_count": 4,
      "first_sale_date": "1999-05-28",
      "last_sale_date": "2010-10-01",
      "last_price": 230000,
      "url": "https://openproperties.uk/nw1/chalton-street/146"
    },
    {
      "paon": "148",
      "saon": null,
      "postcode": "NW1 1NP",
      "sale_count": 2,
      "first_sale_date": "2008-10-17",
      "last_sale_date": "2021-01-18",
      "last_price": 686000,
      "url": "https://openproperties.uk/nw1/chalton-street/148"
    }
  ],
  "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
  }
}