{
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      "address_path": "wd3/heron-close/5",
      "property_url": "https://openproperties.uk/wd3/heron-close/5"
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    {
      "url": "https://openproperties.uk/wd3/heron-close/5/054f57af-1178-4e75-91df-0c05688983fd",
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      "date_of_transfer": "2011-05-13",
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      "paon": "5",
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      "street": "HERON CLOSE",
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      "town_city": "RICKMANSWORTH",
      "district": "THREE RIVERS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "wd3/heron-close/5",
      "property_url": "https://openproperties.uk/wd3/heron-close/5"
    },
    {
      "url": "https://openproperties.uk/wd3/heron-close/5/2f5a7fde-cb0a-4312-a0fd-8c98ce7b87c7",
      "transaction_id": "2F5A7FDE-CB0A-4312-A0FD-8C98CE7B87C7",
      "price": 168500,
      "date_of_transfer": "1998-08-25",
      "postcode": "WD3 1NF",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
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      "paon": "5",
      "saon": null,
      "street": "HERON CLOSE",
      "locality": "RICKMANSWORTH",
      "town_city": "RICKMANSWORTH",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "wd3/heron-close/5",
      "property_url": "https://openproperties.uk/wd3/heron-close/5"
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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
    }
  ]
}