{
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      "paon": "21 - 22",
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      "url": "https://openproperties.uk/w1k/grosvenor-street/32/flat-32"
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      "url": "https://openproperties.uk/w1k/grosvenor-street/32/flat-33"
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      "url": "https://openproperties.uk/w1k/grosvenor-street/32/flat-34"
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      "paon": "32",
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      "url": "https://openproperties.uk/w1k/grosvenor-street/32/flat-36"
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      "paon": "32",
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      "url": "https://openproperties.uk/w1k/grosvenor-street/32/ground-floor-and-basement-premises"
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      "url": "https://openproperties.uk/w1k/grosvenor-street/33"
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      "paon": "35",
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    },
    {
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      "url": "https://openproperties.uk/w1k/grosvenor-street/56"
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    {
      "paon": "57",
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      "last_price": 1200000,
      "url": "https://openproperties.uk/w1k/grosvenor-street/57"
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    {
      "paon": "66",
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      "url": "https://openproperties.uk/w1k/grosvenor-street/66/basement-and-ground-floor-premises"
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    {
      "paon": "70 - 72",
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      "postcode": "W1K 3JP",
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      "last_price": 56000000,
      "url": "https://openproperties.uk/w1k/grosvenor-street/70-72"
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    {
      "paon": "77",
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      "last_price": 94291500,
      "url": "https://openproperties.uk/w1k/grosvenor-street/77"
    }
  ],
  "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
  }
}