{
  "url": "https://openproperties.uk/al9/westland-drive/71",
  "address_path": "al9/westland-drive/71",
  "paon": "71",
  "saon": null,
  "street": "WESTLAND DRIVE",
  "locality": "BROOKMANS PARK",
  "town_city": "HATFIELD",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL9 7UG",
  "postcodes": [
    "AL9 7UG"
  ],
  "latitude": 51.71963743694118,
  "longitude": -0.20383776923580288,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "2000-12-12",
  "last_sale_date": "2009-12-11",
  "last_price": 450000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al9/westland-drive/71/12ce277f-77ad-4ca8-8979-8fbf81596cf3",
      "transaction_id": "12CE277F-77AD-4CA8-8979-8FBF81596CF3",
      "price": 450000,
      "date_of_transfer": "2009-12-11",
      "postcode": "AL9 7UG",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "71",
      "saon": null,
      "street": "WESTLAND DRIVE",
      "locality": "BROOKMANS PARK",
      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/westland-drive/71",
      "property_url": "https://openproperties.uk/al9/westland-drive/71"
    },
    {
      "url": "https://openproperties.uk/al9/westland-drive/71/9fdccea2-846a-4998-9852-6a9d6f318ecc",
      "transaction_id": "9FDCCEA2-846A-4998-9852-6A9D6F318ECC",
      "price": 250000,
      "date_of_transfer": "2002-06-27",
      "postcode": "AL9 7UG",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "71",
      "saon": null,
      "street": "WESTLAND DRIVE",
      "locality": "BROOKMANS PARK",
      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/westland-drive/71",
      "property_url": "https://openproperties.uk/al9/westland-drive/71"
    },
    {
      "url": "https://openproperties.uk/al9/westland-drive/71/ecc7b56a-1fc8-4deb-b167-3bdc40fe4062",
      "transaction_id": "ECC7B56A-1FC8-4DEB-B167-3BDC40FE4062",
      "price": 249995,
      "date_of_transfer": "2000-12-12",
      "postcode": "AL9 7UG",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "71",
      "saon": null,
      "street": "WESTLAND DRIVE",
      "locality": "BROOKMANS PARK",
      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/westland-drive/71",
      "property_url": "https://openproperties.uk/al9/westland-drive/71"
    }
  ],
  "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
    }
  ]
}