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      "county": "GREATER LONDON",
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      "address_path": "sw13/castelnau/37",
      "property_url": "https://openproperties.uk/sw13/castelnau/37"
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      "url": "https://openproperties.uk/sw13/castelnau/37/0899148e-501d-4c17-a691-d3ffb8ce529c",
      "transaction_id": "0899148E-501D-4C17-A691-D3FFB8CE529C",
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      "date_of_transfer": "2001-04-04",
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      "street": "CASTELNAU",
      "locality": "LONDON",
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      "district": "RICHMOND UPON THAMES",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sw13/castelnau/37",
      "property_url": "https://openproperties.uk/sw13/castelnau/37"
    },
    {
      "url": "https://openproperties.uk/sw13/castelnau/37/b92740a7-9cf7-4de0-9a2f-74f2d8fb20c3",
      "transaction_id": "B92740A7-9CF7-4DE0-9A2F-74F2D8FB20C3",
      "price": 875000,
      "date_of_transfer": "1999-06-05",
      "postcode": "SW13 9RS",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "37",
      "saon": null,
      "street": "CASTELNAU",
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      "town_city": "LONDON",
      "district": "RICHMOND UPON THAMES",
      "county": "GREATER LONDON",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sw13/castelnau/37",
      "property_url": "https://openproperties.uk/sw13/castelnau/37"
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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
    }
  ]
}