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      "ppd_category_type": "A",
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      "address_path": "al4/longacres/71",
      "property_url": "https://openproperties.uk/al4/longacres/71"
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    {
      "url": "https://openproperties.uk/al4/longacres/71/16d48ef6-86f2-4000-a527-b0d5a7faa955",
      "transaction_id": "16D48EF6-86F2-4000-A527-B0D5A7FAA955",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/longacres/71",
      "property_url": "https://openproperties.uk/al4/longacres/71"
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    {
      "url": "https://openproperties.uk/al4/longacres/71/dbb2d9a2-bf33-4b01-a1b4-c36cd38f3132",
      "transaction_id": "DBB2D9A2-BF33-4B01-A1B4-C36CD38F3132",
      "price": 159950,
      "date_of_transfer": "1999-05-21",
      "postcode": "AL4 0SL",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": true,
      "duration": "F",
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      "paon": "71",
      "saon": null,
      "street": "LONGACRES",
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      "town_city": "ST. ALBANS",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al4/longacres/71",
      "property_url": "https://openproperties.uk/al4/longacres/71"
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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
    }
  ]
}