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    {
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    },
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      "url": "https://openproperties.uk/le4/firfield-avenue/25"
    },
    {
      "paon": "27",
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      "url": "https://openproperties.uk/le4/firfield-avenue/35"
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    {
      "paon": "36",
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      "url": "https://openproperties.uk/le4/firfield-avenue/38"
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      "url": "https://openproperties.uk/le4/firfield-avenue/40"
    },
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      "paon": "44",
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      "url": "https://openproperties.uk/le4/firfield-avenue/44"
    },
    {
      "paon": "48",
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      "last_price": 117950,
      "url": "https://openproperties.uk/le4/firfield-avenue/48"
    },
    {
      "paon": "52",
      "saon": null,
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      "first_sale_date": "1998-01-16",
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      "last_price": 140000,
      "url": "https://openproperties.uk/le4/firfield-avenue/52"
    },
    {
      "paon": "54",
      "saon": null,
      "postcode": "LE4 4DR",
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      "first_sale_date": "2014-10-10",
      "last_sale_date": "2014-10-10",
      "last_price": 156000,
      "url": "https://openproperties.uk/le4/firfield-avenue/54"
    },
    {
      "paon": "56",
      "saon": null,
      "postcode": "LE4 4DR",
      "sale_count": 2,
      "first_sale_date": "2005-03-04",
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      "last_price": 205000,
      "url": "https://openproperties.uk/le4/firfield-avenue/56"
    }
  ],
  "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
  }
}