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      "first_sale_date": "2011-05-12",
      "last_sale_date": "2019-04-17",
      "last_price": 335000,
      "url": "https://openproperties.uk/mk41/chiltern-avenue/153"
    },
    {
      "paon": "157",
      "saon": null,
      "postcode": "MK41 9EL",
      "sale_count": 1,
      "first_sale_date": "2008-03-11",
      "last_sale_date": "2008-03-11",
      "last_price": 232000,
      "url": "https://openproperties.uk/mk41/chiltern-avenue/157"
    },
    {
      "paon": "159",
      "saon": null,
      "postcode": "MK41 9EL",
      "sale_count": 2,
      "first_sale_date": "1999-11-26",
      "last_sale_date": "2016-03-11",
      "last_price": 277000,
      "url": "https://openproperties.uk/mk41/chiltern-avenue/159"
    },
    {
      "paon": "200",
      "saon": null,
      "postcode": "MK41 9EL",
      "sale_count": 2,
      "first_sale_date": "2004-02-06",
      "last_sale_date": "2004-10-29",
      "last_price": 239500,
      "url": "https://openproperties.uk/mk41/chiltern-avenue/200"
    },
    {
      "paon": "201",
      "saon": null,
      "postcode": "MK41 9EL",
      "sale_count": 1,
      "first_sale_date": "1999-06-24",
      "last_sale_date": "1999-06-24",
      "last_price": 120000,
      "url": "https://openproperties.uk/mk41/chiltern-avenue/201"
    }
  ],
  "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
  }
}