{
  "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19",
  "address_path": "al6/welwyn-hall-gardens/19",
  "paon": "19",
  "saon": null,
  "street": "WELWYN HALL GARDENS",
  "locality": null,
  "town_city": "WELWYN",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
  "postcode": "AL6 9LF",
  "postcodes": [
    "AL6 9LF"
  ],
  "latitude": 51.832561588449316,
  "longitude": -0.21339745474933808,
  "location_precision": "postcode_centroid",
  "sale_count": 7,
  "first_sale_date": "1997-07-23",
  "last_sale_date": "2026-03-24",
  "last_price": 620000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/4e75c29d-3221-8922-e063-4804a8c094d0",
      "transaction_id": "4E75C29D-3221-8922-E063-4804A8C094D0",
      "price": 620000,
      "date_of_transfer": "2026-03-24",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "locality": null,
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/e53edd2d-b8e1-83ec-e053-6b04a8c03a59",
      "transaction_id": "E53EDD2D-B8E1-83EC-E053-6B04A8C03A59",
      "price": 625000,
      "date_of_transfer": "2022-06-30",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "locality": null,
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/77e394dc-5278-4ad3-867b-a70df5160df5",
      "transaction_id": "77E394DC-5278-4AD3-867B-A70DF5160DF5",
      "price": 337500,
      "date_of_transfer": "2013-08-16",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "locality": null,
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/ff976c28-2db7-4fb2-bcd5-f58c9094f432",
      "transaction_id": "FF976C28-2DB7-4FB2-BCD5-F58C9094F432",
      "price": 240000,
      "date_of_transfer": "2003-06-27",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/52a9d203-254c-4848-92bc-2abd3f7b9065",
      "transaction_id": "52A9D203-254C-4848-92BC-2ABD3F7B9065",
      "price": 290000,
      "date_of_transfer": "2002-11-22",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/2474afcd-939a-43ea-af76-e941cd096ae3",
      "transaction_id": "2474AFCD-939A-43EA-AF76-E941CD096AE3",
      "price": 165000,
      "date_of_transfer": "1998-12-04",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    },
    {
      "url": "https://openproperties.uk/al6/welwyn-hall-gardens/19/9a10b569-e360-4b6e-8ef2-94f6d1838770",
      "transaction_id": "9A10B569-E360-4B6E-8EF2-94F6D1838770",
      "price": 163000,
      "date_of_transfer": "1997-07-23",
      "postcode": "AL6 9LF",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": true,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "WELWYN HALL GARDENS",
      "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/welwyn-hall-gardens/19",
      "property_url": "https://openproperties.uk/al6/welwyn-hall-gardens/19"
    }
  ],
  "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
    }
  ]
}