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  "postcodes": [
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  "location_precision": "postcode_centroid",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "wd3/swan-close/mallard-court/36",
      "property_url": "https://openproperties.uk/wd3/swan-close/mallard-court/36"
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      "ppd_category_type": "A",
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      "address_path": "wd3/swan-close/mallard-court/36",
      "property_url": "https://openproperties.uk/wd3/swan-close/mallard-court/36"
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    {
      "url": "https://openproperties.uk/wd3/swan-close/mallard-court/36/dbe6cdb5-e647-4172-ad28-6a9b7bafa13a",
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      "date_of_transfer": "2003-11-21",
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      "duration": "L",
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      "saon": "36",
      "street": "SWAN CLOSE",
      "locality": "RICKMANSWORTH",
      "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/swan-close/mallard-court/36",
      "property_url": "https://openproperties.uk/wd3/swan-close/mallard-court/36"
    },
    {
      "url": "https://openproperties.uk/wd3/swan-close/mallard-court/36/d3dadac6-b665-4f36-a905-b87616d9b139",
      "transaction_id": "D3DADAC6-B665-4F36-A905-B87616D9B139",
      "price": 79000,
      "date_of_transfer": "1996-11-06",
      "postcode": "WD3 1SB",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": true,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "MALLARD COURT",
      "saon": "36",
      "street": "SWAN CLOSE",
      "locality": "RICKMANSWORTH",
      "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/swan-close/mallard-court/36",
      "property_url": "https://openproperties.uk/wd3/swan-close/mallard-court/36"
    }
  ],
  "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
    }
  ]
}