{
  "url": "https://openproperties.uk/al10/high-dells/87",
  "address_path": "al10/high-dells/87",
  "paon": "87",
  "saon": null,
  "street": "HIGH DELLS",
  "locality": "HATFIELD",
  "town_city": "HATFIELD",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL10 9HY",
  "postcodes": [
    "AL10 9HY"
  ],
  "latitude": 51.75554171058346,
  "longitude": -0.23880973305511607,
  "location_precision": "postcode_centroid",
  "sale_count": 1,
  "first_sale_date": "2003-09-26",
  "last_sale_date": "2003-09-26",
  "last_price": 165000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al10/high-dells/87/2ae8d126-1a95-4a41-b3cd-0c75bd08802d",
      "transaction_id": "2AE8D126-1A95-4A41-B3CD-0C75BD08802D",
      "price": 165000,
      "date_of_transfer": "2003-09-26",
      "postcode": "AL10 9HY",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "87",
      "saon": null,
      "street": "HIGH DELLS",
      "locality": "HATFIELD",
      "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": "al10/high-dells/87",
      "property_url": "https://openproperties.uk/al10/high-dells/87"
    }
  ],
  "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
    }
  ]
}