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      "date_of_transfer": "2005-03-07",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa9/heol-callwen/4",
      "property_url": "https://openproperties.uk/sa9/heol-callwen/4"
    },
    {
      "url": "https://openproperties.uk/sa9/heol-callwen/4/352dd8c3-464d-4f2f-85cf-2917289c55e0",
      "transaction_id": "352DD8C3-464D-4F2F-85CF-2917289C55E0",
      "price": 62000,
      "date_of_transfer": "2003-08-29",
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      "duration": "F",
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      "street": "HEOL CALLWEN",
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      "county": "POWYS",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa9/heol-callwen/4",
      "property_url": "https://openproperties.uk/sa9/heol-callwen/4"
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    {
      "url": "https://openproperties.uk/sa9/heol-callwen/4/4e3dad2c-b5cb-4c92-9975-ff13f0372278",
      "transaction_id": "4E3DAD2C-B5CB-4C92-9975-FF13F0372278",
      "price": 48000,
      "date_of_transfer": "2002-05-23",
      "postcode": "SA9 1GR",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
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      "paon": "4",
      "saon": null,
      "street": "HEOL CALLWEN",
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      "town_city": "SWANSEA",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sa9/heol-callwen/4",
      "property_url": "https://openproperties.uk/sa9/heol-callwen/4"
    }
  ],
  "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
    }
  ]
}