{
  "url": "https://openproperties.uk/al5/cowper-road/58",
  "address_path": "al5/cowper-road/58",
  "paon": "58",
  "saon": null,
  "street": "COWPER ROAD",
  "locality": "HARPENDEN",
  "town_city": "HARPENDEN",
  "district": "ST ALBANS",
  "county": "HERTFORDSHIRE",
  "postcode": "AL5 5NG",
  "postcodes": [
    "AL5 5NG"
  ],
  "latitude": 51.816338092811165,
  "longitude": -0.34795120127152396,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "2003-05-30",
  "last_sale_date": "2008-03-12",
  "last_price": 196000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al5/cowper-road/58/9d895a37-7029-4c9f-81d4-c6bd2372d5a4",
      "transaction_id": "9D895A37-7029-4C9F-81D4-C6BD2372D5A4",
      "price": 196000,
      "date_of_transfer": "2008-03-12",
      "postcode": "AL5 5NG",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "58",
      "saon": null,
      "street": "COWPER 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/cowper-road/58",
      "property_url": "https://openproperties.uk/al5/cowper-road/58"
    },
    {
      "url": "https://openproperties.uk/al5/cowper-road/58/8be3dd73-e270-4cd7-b847-8913bf0c9585",
      "transaction_id": "8BE3DD73-E270-4CD7-B847-8913BF0C9585",
      "price": 196000,
      "date_of_transfer": "2008-03-12",
      "postcode": "AL5 5NG",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "58",
      "saon": null,
      "street": "COWPER 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/cowper-road/58",
      "property_url": "https://openproperties.uk/al5/cowper-road/58"
    },
    {
      "url": "https://openproperties.uk/al5/cowper-road/58/acdfda52-b7fd-46ad-9ce5-99433474ce5b",
      "transaction_id": "ACDFDA52-B7FD-46AD-9CE5-99433474CE5B",
      "price": 135000,
      "date_of_transfer": "2003-05-30",
      "postcode": "AL5 5NG",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "58",
      "saon": null,
      "street": "COWPER 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/cowper-road/58",
      "property_url": "https://openproperties.uk/al5/cowper-road/58"
    }
  ],
  "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
    }
  ]
}