{
  "url": "https://openproperties.uk/al4/barnfield-road/23",
  "address_path": "al4/barnfield-road/23",
  "paon": "23",
  "saon": null,
  "street": "BARNFIELD ROAD",
  "locality": null,
  "town_city": "ST. ALBANS",
  "district": "ST ALBANS",
  "county": "HERTFORDSHIRE",
  "postcode": "AL4 9UF",
  "postcodes": [
    "AL4 9UF"
  ],
  "latitude": 51.76229564125576,
  "longitude": -0.29869914815390153,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1996-07-31",
  "last_sale_date": "1999-05-11",
  "last_price": 149000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al4/barnfield-road/23/c70db92e-c707-42dd-809d-8af6db286888",
      "transaction_id": "C70DB92E-C707-42DD-809D-8AF6DB286888",
      "price": 149000,
      "date_of_transfer": "1999-05-11",
      "postcode": "AL4 9UF",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "23",
      "saon": null,
      "street": "BARNFIELD ROAD",
      "locality": null,
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/barnfield-road/23",
      "property_url": "https://openproperties.uk/al4/barnfield-road/23"
    },
    {
      "url": "https://openproperties.uk/al4/barnfield-road/23/c6be558d-d998-428f-a6ff-a0242f9d62de",
      "transaction_id": "C6BE558D-D998-428F-A6FF-A0242F9D62DE",
      "price": 139950,
      "date_of_transfer": "1998-04-03",
      "postcode": "AL4 9UF",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "23",
      "saon": null,
      "street": "BARNFIELD ROAD",
      "locality": "ST. ALBANS",
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/barnfield-road/23",
      "property_url": "https://openproperties.uk/al4/barnfield-road/23"
    },
    {
      "url": "https://openproperties.uk/al4/barnfield-road/23/a99ec329-79b2-4188-ab44-59435b7aa372",
      "transaction_id": "A99EC329-79B2-4188-AB44-59435B7AA372",
      "price": 100000,
      "date_of_transfer": "1996-07-31",
      "postcode": "AL4 9UF",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "23",
      "saon": null,
      "street": "BARNFIELD ROAD",
      "locality": "ST. ALBANS",
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/barnfield-road/23",
      "property_url": "https://openproperties.uk/al4/barnfield-road/23"
    }
  ],
  "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
    }
  ]
}