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      "address_path": "dh4/castlefields/77",
      "property_url": "https://openproperties.uk/dh4/castlefields/77"
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      "url": "https://openproperties.uk/dh4/castlefields/77/474b2dee-5344-45a9-9ab0-93714d1810c8",
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      "street": "CASTLEFIELDS",
      "locality": "HOUGHTON LE SPRING",
      "town_city": "HOUGHTON LE SPRING",
      "district": "CHESTER-LE-STREET",
      "county": "DURHAM",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dh4/castlefields/77",
      "property_url": "https://openproperties.uk/dh4/castlefields/77"
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    {
      "url": "https://openproperties.uk/dh4/castlefields/77/f1d73290-27fa-4958-9caf-a9de9f9f017a",
      "transaction_id": "F1D73290-27FA-4958-9CAF-A9DE9F9F017A",
      "price": 128000,
      "date_of_transfer": "1999-06-11",
      "postcode": "DH4 6HJ",
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      "duration": "L",
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      "street": "CASTLEFIELDS",
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      "town_city": "HOUGHTON LE SPRING",
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      "ppd_category_type": "A",
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      "address_path": "dh4/castlefields/77",
      "property_url": "https://openproperties.uk/dh4/castlefields/77"
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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
    }
  ]
}