{
  "url": "https://openproperties.uk/al6/mardley-hill/22",
  "address_path": "al6/mardley-hill/22",
  "paon": "22",
  "saon": null,
  "street": "MARDLEY HILL",
  "locality": "WELWYN",
  "town_city": "WELWYN",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL6 0TS",
  "postcodes": [
    "AL6 0TS"
  ],
  "latitude": 51.848741494699354,
  "longitude": -0.18425617857365664,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1996-06-05",
  "last_sale_date": "2007-06-28",
  "last_price": 555000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al6/mardley-hill/22/e5347ef4-34a4-4425-86fe-2678b61414c1",
      "transaction_id": "E5347EF4-34A4-4425-86FE-2678B61414C1",
      "price": 555000,
      "date_of_transfer": "2007-06-28",
      "postcode": "AL6 0TS",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "22",
      "saon": null,
      "street": "MARDLEY HILL",
      "locality": "WELWYN",
      "town_city": "WELWYN",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al6/mardley-hill/22",
      "property_url": "https://openproperties.uk/al6/mardley-hill/22"
    },
    {
      "url": "https://openproperties.uk/al6/mardley-hill/22/213558f0-7625-4c98-9790-998366fb222a",
      "transaction_id": "213558F0-7625-4C98-9790-998366FB222A",
      "price": 247500,
      "date_of_transfer": "1998-05-29",
      "postcode": "AL6 0TS",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "22",
      "saon": null,
      "street": "MARDLEY HILL",
      "locality": "WELWYN",
      "town_city": "WELWYN",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al6/mardley-hill/22",
      "property_url": "https://openproperties.uk/al6/mardley-hill/22"
    },
    {
      "url": "https://openproperties.uk/al6/mardley-hill/22/4eec7809-531e-42ef-9fde-de4d27261e2b",
      "transaction_id": "4EEC7809-531E-42EF-9FDE-DE4D27261E2B",
      "price": 209000,
      "date_of_transfer": "1996-06-05",
      "postcode": "AL6 0TS",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "22",
      "saon": null,
      "street": "MARDLEY HILL",
      "locality": "WELWYN",
      "town_city": "WELWYN",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al6/mardley-hill/22",
      "property_url": "https://openproperties.uk/al6/mardley-hill/22"
    }
  ],
  "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
    }
  ]
}