{
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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
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      "address_path": "dh1/hallgarth-street/57",
      "property_url": "https://openproperties.uk/dh1/hallgarth-street/57"
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    {
      "url": "https://openproperties.uk/dh1/hallgarth-street/57/d6e2d438-4a80-4dd9-a8df-7e0a83f568da",
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      "date_of_transfer": "1999-12-10",
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      "paon": "57",
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      "street": "HALLGARTH STREET",
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      "town_city": "DURHAM",
      "district": "DURHAM",
      "county": "DURHAM",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dh1/hallgarth-street/57",
      "property_url": "https://openproperties.uk/dh1/hallgarth-street/57"
    },
    {
      "url": "https://openproperties.uk/dh1/hallgarth-street/57/d38fd32f-84c7-4e38-9678-3c415bc8f9a5",
      "transaction_id": "D38FD32F-84C7-4E38-9678-3C415BC8F9A5",
      "price": 123000,
      "date_of_transfer": "1998-09-23",
      "postcode": "DH1 3AY",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "57",
      "saon": null,
      "street": "HALLGARTH STREET",
      "locality": "DURHAM",
      "town_city": "DURHAM",
      "district": "DURHAM",
      "county": "DURHAM",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "dh1/hallgarth-street/57",
      "property_url": "https://openproperties.uk/dh1/hallgarth-street/57"
    }
  ],
  "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
    }
  ]
}