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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg7/constantine-place/45",
      "property_url": "https://openproperties.uk/sg7/constantine-place/45"
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    {
      "url": "https://openproperties.uk/sg7/constantine-place/45/c300029d-bedb-4bda-b10b-98dfc87d547e",
      "transaction_id": "C300029D-BEDB-4BDA-B10B-98DFC87D547E",
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      "date_of_transfer": "2007-11-09",
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      "duration": "F",
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      "street": "CONSTANTINE PLACE",
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      "town_city": "BALDOCK",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg7/constantine-place/45",
      "property_url": "https://openproperties.uk/sg7/constantine-place/45"
    },
    {
      "url": "https://openproperties.uk/sg7/constantine-place/45/4bfbd83e-7a8f-4826-bad9-1896c750b85a",
      "transaction_id": "4BFBD83E-7A8F-4826-BAD9-1896C750B85A",
      "price": 75000,
      "date_of_transfer": "1998-06-30",
      "postcode": "SG7 6ST",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "45",
      "saon": null,
      "street": "CONSTANTINE PLACE",
      "locality": "BALDOCK",
      "town_city": "BALDOCK",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg7/constantine-place/45",
      "property_url": "https://openproperties.uk/sg7/constantine-place/45"
    }
  ],
  "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
    }
  ]
}