{
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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al10/cotton-field/46",
      "property_url": "https://openproperties.uk/al10/cotton-field/46"
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    {
      "url": "https://openproperties.uk/al10/cotton-field/46/3c04c3f2-9a06-4c85-a40d-2a1a8014a997",
      "transaction_id": "3C04C3F2-9A06-4C85-A40D-2A1A8014A997",
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      "date_of_transfer": "1998-06-05",
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      "street": "COTTON FIELD",
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      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al10/cotton-field/46",
      "property_url": "https://openproperties.uk/al10/cotton-field/46"
    },
    {
      "url": "https://openproperties.uk/al10/cotton-field/46/fbe1ab6f-6ab9-4b82-b296-624caf0658e2",
      "transaction_id": "FBE1AB6F-6AB9-4B82-B296-624CAF0658E2",
      "price": 52500,
      "date_of_transfer": "1996-06-14",
      "postcode": "AL10 0DQ",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
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      "paon": "46",
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      "street": "COTTON FIELD",
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      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al10/cotton-field/46",
      "property_url": "https://openproperties.uk/al10/cotton-field/46"
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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
    }
  ]
}