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    },
    {
      "paon": "88",
      "saon": null,
      "postcode": "HP21 8BW",
      "sale_count": 5,
      "first_sale_date": "2004-08-11",
      "last_sale_date": "2024-06-20",
      "last_price": 295000,
      "url": "https://openproperties.uk/hp21/chiltern-street/88"
    },
    {
      "paon": "89",
      "saon": null,
      "postcode": "HP21 8BW",
      "sale_count": 5,
      "first_sale_date": "1997-12-01",
      "last_sale_date": "2023-09-25",
      "last_price": 185000,
      "url": "https://openproperties.uk/hp21/chiltern-street/89"
    },
    {
      "paon": "91",
      "saon": null,
      "postcode": "HP21 8BW",
      "sale_count": 2,
      "first_sale_date": "1996-11-29",
      "last_sale_date": "2000-08-31",
      "last_price": 65500,
      "url": "https://openproperties.uk/hp21/chiltern-street/91"
    }
  ],
  "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
  }
}