{
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      "address_path": "de23/northumberland-street/66",
      "property_url": "https://openproperties.uk/de23/northumberland-street/66"
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    {
      "url": "https://openproperties.uk/de23/northumberland-street/66/c1bd5df0-96cc-4f77-8a35-de4ad1c7d032",
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      "street": "NORTHUMBERLAND STREET",
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      "town_city": "DERBY",
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      "county": "CITY OF DERBY",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "de23/northumberland-street/66",
      "property_url": "https://openproperties.uk/de23/northumberland-street/66"
    },
    {
      "url": "https://openproperties.uk/de23/northumberland-street/66/f024f87a-20a0-4bf1-9c04-a901a7b2e1e8",
      "transaction_id": "F024F87A-20A0-4BF1-9C04-A901A7B2E1E8",
      "price": 22500,
      "date_of_transfer": "2002-04-11",
      "postcode": "DE23 6UB",
      "property_type": "T",
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      "duration": "F",
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      "paon": "66",
      "saon": null,
      "street": "NORTHUMBERLAND STREET",
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      "town_city": "DERBY",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "de23/northumberland-street/66",
      "property_url": "https://openproperties.uk/de23/northumberland-street/66"
    }
  ],
  "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
    }
  ]
}