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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp1/cowper-road/1",
      "property_url": "https://openproperties.uk/hp1/cowper-road/1"
    },
    {
      "url": "https://openproperties.uk/hp1/cowper-road/1/5d7961d8-f510-4aac-8a60-b34573760102",
      "transaction_id": "5D7961D8-F510-4AAC-8A60-B34573760102",
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      "date_of_transfer": "2002-06-11",
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      "duration": "F",
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      "street": "COWPER ROAD",
      "locality": "HEMEL HEMPSTEAD",
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp1/cowper-road/1",
      "property_url": "https://openproperties.uk/hp1/cowper-road/1"
    },
    {
      "url": "https://openproperties.uk/hp1/cowper-road/1/888efd96-e551-44a3-a77e-fbcc59364804",
      "transaction_id": "888EFD96-E551-44A3-A77E-FBCC59364804",
      "price": 205000,
      "date_of_transfer": "1999-09-03",
      "postcode": "HP1 1PE",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "1",
      "saon": null,
      "street": "COWPER ROAD",
      "locality": null,
      "town_city": "HEMEL HEMPSTEAD",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "hp1/cowper-road/1",
      "property_url": "https://openproperties.uk/hp1/cowper-road/1"
    }
  ],
  "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
    }
  ]
}