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      "ppd_category_type": "A",
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      "address_path": "en6/king-james-avenue/19",
      "property_url": "https://openproperties.uk/en6/king-james-avenue/19"
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    {
      "url": "https://openproperties.uk/en6/king-james-avenue/19/df262bb4-ac07-4ae8-b5e3-f0784e33f076",
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      "street": "KING JAMES AVENUE",
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      "town_city": "POTTERS BAR",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "en6/king-james-avenue/19",
      "property_url": "https://openproperties.uk/en6/king-james-avenue/19"
    },
    {
      "url": "https://openproperties.uk/en6/king-james-avenue/19/94cecf13-a0a5-48d1-a2e1-5668fc8b9115",
      "transaction_id": "94CECF13-A0A5-48D1-A2E1-5668FC8B9115",
      "price": 90000,
      "date_of_transfer": "1996-08-30",
      "postcode": "EN6 4LN",
      "property_type": "D",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "19",
      "saon": null,
      "street": "KING JAMES AVENUE",
      "locality": "CUFFLEY",
      "town_city": "POTTERS BAR",
      "district": "WELWYN HATFIELD",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "en6/king-james-avenue/19",
      "property_url": "https://openproperties.uk/en6/king-james-avenue/19"
    }
  ],
  "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
    }
  ]
}