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      "ppd_category_type": "A",
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      "address_path": "al9/mill-green/mill-green-lodge/2",
      "property_url": "https://openproperties.uk/al9/mill-green/mill-green-lodge/2"
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    {
      "url": "https://openproperties.uk/al9/mill-green/mill-green-lodge/2/07554c9b-6301-4ed7-81fc-e0c1b3b325f5",
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      "date_of_transfer": "2005-04-01",
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      "street": "MILL GREEN",
      "locality": "HATFIELD",
      "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": "al9/mill-green/mill-green-lodge/2",
      "property_url": "https://openproperties.uk/al9/mill-green/mill-green-lodge/2"
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    {
      "url": "https://openproperties.uk/al9/mill-green/mill-green-lodge/2/bc7f944d-da0e-4522-83d6-0266b5c15975",
      "transaction_id": "BC7F944D-DA0E-4522-83D6-0266B5C15975",
      "price": 185000,
      "date_of_transfer": "2000-07-13",
      "postcode": "AL9 5PA",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
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      "paon": "MILL GREEN LODGE",
      "saon": "2",
      "street": "MILL GREEN",
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      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/mill-green/mill-green-lodge/2",
      "property_url": "https://openproperties.uk/al9/mill-green/mill-green-lodge/2"
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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
    }
  ]
}