{
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      "paon": "29",
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      "street": "WESTFIELDS",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/westfields/29",
      "property_url": "https://openproperties.uk/al3/westfields/29"
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      "url": "https://openproperties.uk/al3/westfields/29/19b9295d-fd93-427d-a2ef-c3671d5f7e7b",
      "transaction_id": "19B9295D-FD93-427D-A2EF-C3671D5F7E7B",
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      "date_of_transfer": "2001-10-12",
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      "street": "WESTFIELDS",
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      "town_city": "ST. ALBANS",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/westfields/29",
      "property_url": "https://openproperties.uk/al3/westfields/29"
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    {
      "url": "https://openproperties.uk/al3/westfields/29/c62ffaad-5d87-4b2c-82cf-968b67752a40",
      "transaction_id": "C62FFAAD-5D87-4B2C-82CF-968B67752A40",
      "price": 220000,
      "date_of_transfer": "1997-06-10",
      "postcode": "AL3 4LR",
      "property_type": "D",
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      "new_build": false,
      "duration": "F",
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      "paon": "29",
      "saon": null,
      "street": "WESTFIELDS",
      "locality": "ST. ALBANS",
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/westfields/29",
      "property_url": "https://openproperties.uk/al3/westfields/29"
    }
  ],
  "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
    }
  ]
}