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      "ppd_category_type": "A",
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      "address_path": "al3/melbourne-close/21",
      "property_url": "https://openproperties.uk/al3/melbourne-close/21"
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    {
      "url": "https://openproperties.uk/al3/melbourne-close/21/cfb1b891-c4f1-4d4f-a9ec-d2a0b9dfec37",
      "transaction_id": "CFB1B891-C4F1-4D4F-A9EC-D2A0B9DFEC37",
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      "date_of_transfer": "2001-10-12",
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      "street": "MELBOURNE CLOSE",
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      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/melbourne-close/21",
      "property_url": "https://openproperties.uk/al3/melbourne-close/21"
    },
    {
      "url": "https://openproperties.uk/al3/melbourne-close/21/e1450d26-55e2-4f3a-b268-4994dd8765f2",
      "transaction_id": "E1450D26-55E2-4F3A-B268-4994DD8765F2",
      "price": 79750,
      "date_of_transfer": "1997-09-12",
      "postcode": "AL3 6LU",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
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      "paon": "21",
      "saon": null,
      "street": "MELBOURNE CLOSE",
      "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/melbourne-close/21",
      "property_url": "https://openproperties.uk/al3/melbourne-close/21"
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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
    }
  ]
}