{
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      "address_path": "al4/princess-diana-drive/15",
      "property_url": "https://openproperties.uk/al4/princess-diana-drive/15"
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    {
      "url": "https://openproperties.uk/al4/princess-diana-drive/15/2dfd20bf-a3bb-49f6-9d21-66e8bd29a28d",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/princess-diana-drive/15",
      "property_url": "https://openproperties.uk/al4/princess-diana-drive/15"
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      "transaction_id": "A618ADD8-C3E2-4A05-AD61-8162CA23D0F6",
      "price": 329950,
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      "postcode": "AL4 0DY",
      "property_type": "D",
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      "new_build": true,
      "duration": "F",
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      "paon": "15",
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      "street": "PRINCESS DIANA DRIVE",
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      "town_city": "ST. ALBANS",
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      "ppd_category_type": "A",
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      "address_path": "al4/princess-diana-drive/15",
      "property_url": "https://openproperties.uk/al4/princess-diana-drive/15"
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  ],
  "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
    }
  ]
}