{
  "url": "https://openproperties.uk/al9/high-road/4",
  "address_path": "al9/high-road/4",
  "paon": "4",
  "saon": null,
  "street": "HIGH ROAD",
  "locality": "ESSENDON",
  "town_city": "HATFIELD",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL9 6HW",
  "postcodes": [
    "AL9 6HW"
  ],
  "latitude": 51.76035393346193,
  "longitude": -0.15393982307869877,
  "location_precision": "postcode_centroid",
  "sale_count": 4,
  "first_sale_date": "1996-05-31",
  "last_sale_date": "2012-12-07",
  "last_price": 410000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al9/high-road/4/68f6d706-f318-4b34-b826-0092029a0550",
      "transaction_id": "68F6D706-F318-4B34-B826-0092029A0550",
      "price": 410000,
      "date_of_transfer": "2012-12-07",
      "postcode": "AL9 6HW",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "4",
      "saon": null,
      "street": "HIGH ROAD",
      "locality": "ESSENDON",
      "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/high-road/4",
      "property_url": "https://openproperties.uk/al9/high-road/4"
    },
    {
      "url": "https://openproperties.uk/al9/high-road/4/4b82fb35-0d12-498d-8f66-9c0a70fb7d40",
      "transaction_id": "4B82FB35-0D12-498D-8F66-9C0A70FB7D40",
      "price": 247500,
      "date_of_transfer": "1999-10-27",
      "postcode": "AL9 6HW",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "4",
      "saon": null,
      "street": "HIGH ROAD",
      "locality": "ESSENDON",
      "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/high-road/4",
      "property_url": "https://openproperties.uk/al9/high-road/4"
    },
    {
      "url": "https://openproperties.uk/al9/high-road/4/bd6ceac5-afc9-4b57-8e49-09c805c5bcd0",
      "transaction_id": "BD6CEAC5-AFC9-4B57-8E49-09C805C5BCD0",
      "price": 189000,
      "date_of_transfer": "1997-04-11",
      "postcode": "AL9 6HW",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "4",
      "saon": null,
      "street": "HIGH ROAD",
      "locality": "ESSENDON",
      "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/high-road/4",
      "property_url": "https://openproperties.uk/al9/high-road/4"
    },
    {
      "url": "https://openproperties.uk/al9/high-road/4/43a82504-c5b7-4478-8282-0ffbef0a8ae7",
      "transaction_id": "43A82504-C5B7-4478-8282-0FFBEF0A8AE7",
      "price": 175000,
      "date_of_transfer": "1996-05-31",
      "postcode": "AL9 6HW",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "4",
      "saon": null,
      "street": "HIGH ROAD",
      "locality": "ESSENDON",
      "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/high-road/4",
      "property_url": "https://openproperties.uk/al9/high-road/4"
    }
  ],
  "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
    }
  ]
}