{
  "url": "https://openproperties.uk/al5/westfield-road/136",
  "address_path": "al5/westfield-road/136",
  "paon": "136",
  "saon": null,
  "street": "WESTFIELD ROAD",
  "locality": "HARPENDEN",
  "town_city": "HARPENDEN",
  "district": "ST ALBANS",
  "county": "HERTFORDSHIRE",
  "postcode": "AL5 4LT",
  "postcodes": [
    "AL5 4LT"
  ],
  "latitude": 51.82924652311704,
  "longitude": -0.3495977370570353,
  "location_precision": "postcode_centroid",
  "sale_count": 2,
  "first_sale_date": "1996-11-22",
  "last_sale_date": "2006-01-06",
  "last_price": 275000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al5/westfield-road/136/183fb030-5312-482c-8fe8-db864b09ea30",
      "transaction_id": "183FB030-5312-482C-8FE8-DB864B09EA30",
      "price": 275000,
      "date_of_transfer": "2006-01-06",
      "postcode": "AL5 4LT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "136",
      "saon": null,
      "street": "WESTFIELD ROAD",
      "locality": "HARPENDEN",
      "town_city": "HARPENDEN",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al5/westfield-road/136",
      "property_url": "https://openproperties.uk/al5/westfield-road/136"
    },
    {
      "url": "https://openproperties.uk/al5/westfield-road/136/487453fa-2ae4-4fc6-9ac4-098af2b42a46",
      "transaction_id": "487453FA-2AE4-4FC6-9AC4-098AF2B42A46",
      "price": 65500,
      "date_of_transfer": "1996-11-22",
      "postcode": "AL5 4LT",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "136",
      "saon": null,
      "street": "WESTFIELD ROAD",
      "locality": "HARPENDEN",
      "town_city": "HARPENDEN",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al5/westfield-road/136",
      "property_url": "https://openproperties.uk/al5/westfield-road/136"
    }
  ],
  "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
    }
  ]
}