{
  "url": "https://openproperties.uk/al10/fern-dells/42",
  "address_path": "al10/fern-dells/42",
  "paon": "42",
  "saon": null,
  "street": "FERN DELLS",
  "locality": null,
  "town_city": "HATFIELD",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL10 9HX",
  "postcodes": [
    "AL10 9HX"
  ],
  "latitude": 51.755311431790936,
  "longitude": -0.23964455572953594,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "2003-05-21",
  "last_sale_date": "2016-09-30",
  "last_price": 295000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al10/fern-dells/42/42a5a709-3286-56e8-e050-a8c06205331e",
      "transaction_id": "42A5A709-3286-56E8-E050-A8C06205331E",
      "price": 295000,
      "date_of_transfer": "2016-09-30",
      "postcode": "AL10 9HX",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "42",
      "saon": null,
      "street": "FERN DELLS",
      "locality": null,
      "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/fern-dells/42",
      "property_url": "https://openproperties.uk/al10/fern-dells/42"
    },
    {
      "url": "https://openproperties.uk/al10/fern-dells/42/99e9ae62-ab22-4b82-a44b-91693d030859",
      "transaction_id": "99E9AE62-AB22-4B82-A44B-91693D030859",
      "price": 209950,
      "date_of_transfer": "2011-09-30",
      "postcode": "AL10 9HX",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "42",
      "saon": null,
      "street": "FERN DELLS",
      "locality": null,
      "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/fern-dells/42",
      "property_url": "https://openproperties.uk/al10/fern-dells/42"
    },
    {
      "url": "https://openproperties.uk/al10/fern-dells/42/1f8785e8-f61b-43c6-ad27-c95994c72265",
      "transaction_id": "1F8785E8-F61B-43C6-AD27-C95994C72265",
      "price": 206500,
      "date_of_transfer": "2008-06-06",
      "postcode": "AL10 9HX",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "42",
      "saon": null,
      "street": "FERN 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/fern-dells/42",
      "property_url": "https://openproperties.uk/al10/fern-dells/42"
    },
    {
      "url": "https://openproperties.uk/al10/fern-dells/42/de8fb0dd-700c-46bd-b8e9-56398642472e",
      "transaction_id": "DE8FB0DD-700C-46BD-B8E9-56398642472E",
      "price": 163000,
      "date_of_transfer": "2003-05-21",
      "postcode": "AL10 9HX",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "42",
      "saon": null,
      "street": "FERN 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/fern-dells/42",
      "property_url": "https://openproperties.uk/al10/fern-dells/42"
    }
  ],
  "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
    }
  ]
}