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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/cardinal-grove/grove-end-6a",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/cardinal-grove/grove-end-6a",
      "property_url": "https://openproperties.uk/al3/cardinal-grove/grove-end-6a"
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    {
      "url": "https://openproperties.uk/al3/cardinal-grove/grove-end-6a/ef6bf90e-c974-4651-b727-9d2ac79e786f",
      "transaction_id": "EF6BF90E-C974-4651-B727-9D2AC79E786F",
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      "date_of_transfer": "2002-05-17",
      "postcode": "AL3 4AY",
      "property_type": "D",
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      "duration": "F",
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      "paon": "GROVE END, 6A",
      "saon": null,
      "street": "CARDINAL GROVE",
      "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/cardinal-grove/grove-end-6a",
      "property_url": "https://openproperties.uk/al3/cardinal-grove/grove-end-6a"
    },
    {
      "url": "https://openproperties.uk/al3/cardinal-grove/grove-end-6a/3ace096a-d865-4e60-a2e9-e650d33363ea",
      "transaction_id": "3ACE096A-D865-4E60-A2E9-E650D33363EA",
      "price": 335000,
      "date_of_transfer": "1999-07-22",
      "postcode": "AL3 4AY",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
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      "paon": "GROVE END, 6A",
      "saon": null,
      "street": "CARDINAL GROVE",
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      "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/cardinal-grove/grove-end-6a",
      "property_url": "https://openproperties.uk/al3/cardinal-grove/grove-end-6a"
    }
  ],
  "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
    }
  ]
}