{
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/essendon-hill/the-hill",
      "property_url": "https://openproperties.uk/al9/essendon-hill/the-hill"
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    {
      "url": "https://openproperties.uk/al9/essendon-hill/the-hill/517e0089-a7cb-4abe-81f2-d73bf66c4837",
      "transaction_id": "517E0089-A7CB-4ABE-81F2-D73BF66C4837",
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      "date_of_transfer": "1999-10-27",
      "postcode": "AL9 6AJ",
      "property_type": "S",
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      "new_build": false,
      "duration": "F",
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      "paon": "THE HILL",
      "saon": null,
      "street": "ESSENDON HILL",
      "locality": "ESSENDON",
      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/essendon-hill/the-hill",
      "property_url": "https://openproperties.uk/al9/essendon-hill/the-hill"
    },
    {
      "url": "https://openproperties.uk/al9/essendon-hill/the-hill/f32a9562-1d1a-4c8a-954f-e2de74b2cc5b",
      "transaction_id": "F32A9562-1D1A-4C8A-954F-E2DE74B2CC5B",
      "price": 138000,
      "date_of_transfer": "1996-12-23",
      "postcode": "AL9 6AJ",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "THE HILL",
      "saon": null,
      "street": "ESSENDON HILL",
      "locality": "ESSENDON",
      "town_city": "HATFIELD",
      "district": "WELWYN HATFIELD",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/essendon-hill/the-hill",
      "property_url": "https://openproperties.uk/al9/essendon-hill/the-hill"
    }
  ],
  "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
    }
  ]
}