{
  "url": "https://openproperties.uk/ha9/chalfont-avenue",
  "outcode": "HA9",
  "street": "CHALFONT AVENUE",
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  "truncated": false,
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    },
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      "last_price": 250000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/12"
    },
    {
      "paon": "12A",
      "saon": "GROUND FLOOR FLAT",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/12a/ground-floor-flat"
    },
    {
      "paon": "12B",
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      "last_sale_date": "2013-09-13",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/12b/first-floor-flat"
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    {
      "paon": "13",
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    {
      "paon": "15",
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      "first_sale_date": "2024-11-07",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/15"
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    {
      "paon": "16",
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    {
      "paon": "18",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/18"
    },
    {
      "paon": "20",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/20"
    },
    {
      "paon": "24A",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/24a"
    },
    {
      "paon": "27",
      "saon": null,
      "postcode": "HA9 6NW",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/27"
    },
    {
      "paon": "28",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/28"
    },
    {
      "paon": "32",
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      "postcode": "HA9 6NS",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/32"
    },
    {
      "paon": "33",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/33"
    },
    {
      "paon": "35",
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      "last_price": 495000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/35"
    },
    {
      "paon": "36",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/36"
    },
    {
      "paon": "38",
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    },
    {
      "paon": "45",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/45"
    },
    {
      "paon": "47",
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      "last_sale_date": "2026-04-16",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/47"
    },
    {
      "paon": "49",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/49"
    },
    {
      "paon": "51",
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      "postcode": "HA9 6NJ",
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      "last_sale_date": "2025-10-31",
      "last_price": 590000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/51"
    },
    {
      "paon": "52",
      "saon": null,
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/52"
    },
    {
      "paon": "56",
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      "last_sale_date": "2021-09-30",
      "last_price": 525000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/56"
    },
    {
      "paon": "61",
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      "last_sale_date": "2006-10-25",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/61"
    },
    {
      "paon": "62",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/62"
    },
    {
      "paon": "67",
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      "postcode": "HA9 6NJ",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/67"
    },
    {
      "paon": "69",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/69"
    },
    {
      "paon": "71",
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      "last_price": 437000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/71"
    },
    {
      "paon": "73",
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      "postcode": "HA9 6NJ",
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      "last_sale_date": "1997-01-13",
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      "url": "https://openproperties.uk/ha9/chalfont-avenue/73"
    },
    {
      "paon": "75",
      "saon": null,
      "postcode": "HA9 6NJ",
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      "first_sale_date": "1996-06-21",
      "last_sale_date": "2023-02-03",
      "last_price": 547500,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/75"
    },
    {
      "paon": "81",
      "saon": null,
      "postcode": "HA9 6NJ",
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      "last_sale_date": "2024-03-20",
      "last_price": 499000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/81"
    },
    {
      "paon": "83",
      "saon": null,
      "postcode": "HA9 6NJ",
      "sale_count": 1,
      "first_sale_date": "2017-02-03",
      "last_sale_date": "2017-02-03",
      "last_price": 540000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/83"
    },
    {
      "paon": "89",
      "saon": null,
      "postcode": "HA9 6NJ",
      "sale_count": 2,
      "first_sale_date": "1998-01-06",
      "last_sale_date": "2002-05-28",
      "last_price": 112000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/89"
    },
    {
      "paon": "93",
      "saon": null,
      "postcode": "HA9 6NJ",
      "sale_count": 2,
      "first_sale_date": "1997-04-30",
      "last_sale_date": "1998-03-13",
      "last_price": 86000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/93"
    },
    {
      "paon": "95",
      "saon": null,
      "postcode": "HA9 6NJ",
      "sale_count": 2,
      "first_sale_date": "2002-10-14",
      "last_sale_date": "2010-01-08",
      "last_price": 275000,
      "url": "https://openproperties.uk/ha9/chalfont-avenue/95"
    }
  ],
  "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
  }
}