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      "url": "https://openproperties.uk/ip1/cheltenham-avenue/53"
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      "url": "https://openproperties.uk/ip1/cheltenham-avenue/55"
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    {
      "paon": "57",
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      "postcode": "IP1 4LN",
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      "last_sale_date": "1997-06-30",
      "last_price": 115000,
      "url": "https://openproperties.uk/ip1/cheltenham-avenue/57"
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    {
      "paon": "59",
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      "postcode": "IP1 4LN",
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      "first_sale_date": "2002-03-27",
      "last_sale_date": "2017-03-29",
      "last_price": 475000,
      "url": "https://openproperties.uk/ip1/cheltenham-avenue/59"
    },
    {
      "paon": "63",
      "saon": null,
      "postcode": "IP1 4LN",
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      "first_sale_date": "2001-07-30",
      "last_sale_date": "2019-08-05",
      "last_price": 470000,
      "url": "https://openproperties.uk/ip1/cheltenham-avenue/63"
    },
    {
      "paon": "67",
      "saon": null,
      "postcode": "IP1 4LN",
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      "first_sale_date": "2000-06-01",
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      "last_price": 149950,
      "url": "https://openproperties.uk/ip1/cheltenham-avenue/67"
    }
  ],
  "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
  }
}