{
  "url": "https://openproperties.uk/hp7/first-avenue/21",
  "address_path": "hp7/first-avenue/21",
  "paon": "21",
  "saon": null,
  "street": "FIRST AVENUE",
  "locality": "AMERSHAM",
  "town_city": "AMERSHAM",
  "district": "CHILTERN",
  "county": "BUCKINGHAMSHIRE",
  "postcode": "HP7 9BJ",
  "postcodes": [
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  ],
  "latitude": 51.66588974666718,
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  "location_precision": "postcode_centroid",
  "sale_count": 3,
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  "truncated": false,
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      "url": "https://openproperties.uk/hp7/first-avenue/21/5c647086-3859-40f0-a070-508c23c3c497",
      "transaction_id": "5C647086-3859-40F0-A070-508C23C3C497",
      "price": 555000,
      "date_of_transfer": "2008-05-07",
      "postcode": "HP7 9BJ",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "FIRST AVENUE",
      "locality": "AMERSHAM",
      "town_city": "AMERSHAM",
      "district": "CHILTERN",
      "county": "BUCKINGHAMSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp7/first-avenue/21",
      "property_url": "https://openproperties.uk/hp7/first-avenue/21"
    },
    {
      "url": "https://openproperties.uk/hp7/first-avenue/21/66aa8921-6db3-4903-820f-5e261076a0ae",
      "transaction_id": "66AA8921-6DB3-4903-820F-5E261076A0AE",
      "price": 235000,
      "date_of_transfer": "2001-05-25",
      "postcode": "HP7 9BJ",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "FIRST AVENUE",
      "locality": "AMERSHAM",
      "town_city": "AMERSHAM",
      "district": "CHILTERN",
      "county": "BUCKINGHAMSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp7/first-avenue/21",
      "property_url": "https://openproperties.uk/hp7/first-avenue/21"
    },
    {
      "url": "https://openproperties.uk/hp7/first-avenue/21/884b7e7e-772e-4643-9dc1-62fefd89564b",
      "transaction_id": "884B7E7E-772E-4643-9DC1-62FEFD89564B",
      "price": 193000,
      "date_of_transfer": "1997-08-12",
      "postcode": "HP7 9BJ",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "21",
      "saon": null,
      "street": "FIRST AVENUE",
      "locality": "AMERSHAM",
      "town_city": "AMERSHAM",
      "district": "CHILTERN",
      "county": "BUCKINGHAMSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp7/first-avenue/21",
      "property_url": "https://openproperties.uk/hp7/first-avenue/21"
    }
  ],
  "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. Contains OS data © Crown copyright and database right. Postcode locations are Code-Point Open centroids: they locate the postcode, not an individual building.",
  "provenance": [
    {
      "source": "HM Land Registry Price Paid Data",
      "source_url": "https://www.gov.uk/government/statistical-data-sets/price-paid-data-downloads",
      "retrieved_at": "2026-07-09T18:56:26.350736+00:00"
    },
    {
      "source": "OS Code-Point Open",
      "source_url": "https://osdatahub.os.uk/downloads/open/CodePointOpen",
      "retrieved_at": null
    }
  ]
}