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      "ppd_category_type": "A",
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      "address_path": "dl3/chelmsford-street/14",
      "property_url": "https://openproperties.uk/dl3/chelmsford-street/14"
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    {
      "url": "https://openproperties.uk/dl3/chelmsford-street/14/8268d705-2c34-4a01-bfcc-e0d5105e06a0",
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      "street": "CHELMSFORD STREET",
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      "town_city": "DARLINGTON",
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      "county": "DARLINGTON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl3/chelmsford-street/14",
      "property_url": "https://openproperties.uk/dl3/chelmsford-street/14"
    },
    {
      "url": "https://openproperties.uk/dl3/chelmsford-street/14/59689e48-1afc-4daa-8177-567d70866a96",
      "transaction_id": "59689E48-1AFC-4DAA-8177-567D70866A96",
      "price": 27000,
      "date_of_transfer": "1999-10-08",
      "postcode": "DL3 6AY",
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      "duration": "F",
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      "paon": "14",
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      "street": "CHELMSFORD STREET",
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      "town_city": "DARLINGTON",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dl3/chelmsford-street/14",
      "property_url": "https://openproperties.uk/dl3/chelmsford-street/14"
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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
    }
  ]
}