{
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  "town_city": "HATFIELD",
  "district": "WELWYN HATFIELD",
  "county": "HERTFORDSHIRE",
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  "postcodes": [
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      "date_of_transfer": "2007-09-12",
      "postcode": "AL10 9JD",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "39",
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      "street": "HIGH DELLS",
      "locality": "HATFIELD",
      "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": "al10/high-dells/39",
      "property_url": "https://openproperties.uk/al10/high-dells/39"
    },
    {
      "url": "https://openproperties.uk/al10/high-dells/39/1c4eee9e-0b45-4c2b-bbf2-d871324f2771",
      "transaction_id": "1C4EEE9E-0B45-4C2B-BBF2-D871324F2771",
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      "date_of_transfer": "2003-08-20",
      "postcode": "AL10 9JD",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "39",
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      "street": "HIGH DELLS",
      "locality": "HATFIELD",
      "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": "al10/high-dells/39",
      "property_url": "https://openproperties.uk/al10/high-dells/39"
    },
    {
      "url": "https://openproperties.uk/al10/high-dells/39/65af80ab-1717-46bb-a096-2625f311643f",
      "transaction_id": "65AF80AB-1717-46BB-A096-2625F311643F",
      "price": 92500,
      "date_of_transfer": "1999-02-11",
      "postcode": "AL10 9JD",
      "property_type": "T",
      "property_type_display": "Terraced",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "39",
      "saon": null,
      "street": "HIGH DELLS",
      "locality": null,
      "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": "al10/high-dells/39",
      "property_url": "https://openproperties.uk/al10/high-dells/39"
    }
  ],
  "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
    }
  ]
}