{
  "url": "https://openproperties.uk/al8/knightsfield/330",
  "address_path": "al8/knightsfield/330",
  "paon": "330",
  "saon": null,
  "street": "KNIGHTSFIELD",
  "locality": null,
  "town_city": "WELWYN GARDEN CITY",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL8 7NQ",
  "postcodes": [
    "AL8 7NQ"
  ],
  "latitude": 51.81923387893524,
  "longitude": -0.20974600997769965,
  "location_precision": "postcode_centroid",
  "sale_count": 1,
  "first_sale_date": "2014-01-31",
  "last_sale_date": "2014-01-31",
  "last_price": 530000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al8/knightsfield/330/8d95e580-f962-4798-b5a3-39047bfc799a",
      "transaction_id": "8D95E580-F962-4798-B5A3-39047BFC799A",
      "price": 530000,
      "date_of_transfer": "2014-01-31",
      "postcode": "AL8 7NQ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "330",
      "saon": null,
      "street": "KNIGHTSFIELD",
      "locality": null,
      "town_city": "WELWYN GARDEN CITY",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al8/knightsfield/330",
      "property_url": "https://openproperties.uk/al8/knightsfield/330"
    }
  ],
  "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
    }
  ]
}