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      "url": "https://openproperties.uk/se21/calton-avenue/89"
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    {
      "paon": "91",
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      "url": "https://openproperties.uk/se21/calton-avenue/91"
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      "paon": "93",
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      "last_price": 317000,
      "url": "https://openproperties.uk/se21/calton-avenue/93"
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    {
      "paon": "95",
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      "first_sale_date": "2006-06-05",
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      "last_price": 1120000,
      "url": "https://openproperties.uk/se21/calton-avenue/95"
    },
    {
      "paon": "97",
      "saon": null,
      "postcode": "SE21 7DF",
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      "first_sale_date": "2006-06-23",
      "last_sale_date": "2013-10-31",
      "last_price": 1999999,
      "url": "https://openproperties.uk/se21/calton-avenue/97"
    },
    {
      "paon": "99",
      "saon": null,
      "postcode": "SE21 7DF",
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      "first_sale_date": "1996-01-18",
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      "last_price": 3525100,
      "url": "https://openproperties.uk/se21/calton-avenue/99"
    }
  ],
  "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
  }
}