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      "address_path": "al9/nash-close/47",
      "property_url": "https://openproperties.uk/al9/nash-close/47"
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      "url": "https://openproperties.uk/al9/nash-close/47/8faa1c6d-3abc-42a0-ac69-45c2de619a45",
      "transaction_id": "8FAA1C6D-3ABC-42A0-AC69-45C2DE619A45",
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      "date_of_transfer": "2005-11-11",
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      "street": "NASH CLOSE",
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      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/nash-close/47",
      "property_url": "https://openproperties.uk/al9/nash-close/47"
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    {
      "url": "https://openproperties.uk/al9/nash-close/47/1a5a9a1b-1bb5-4cdf-bc9c-59be60124888",
      "transaction_id": "1A5A9A1B-1BB5-4CDF-BC9C-59BE60124888",
      "price": 91000,
      "date_of_transfer": "1999-02-19",
      "postcode": "AL9 7NN",
      "property_type": "S",
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      "duration": "F",
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      "saon": null,
      "street": "NASH CLOSE",
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      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
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      "address_path": "al9/nash-close/47",
      "property_url": "https://openproperties.uk/al9/nash-close/47"
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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
    }
  ]
}