{
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  "postcodes": [
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      "paon": "25",
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      "street": "SPARROWHAWK PLACE",
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      "town_city": "HATFIELD",
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al10/sparrowhawk-place/25",
      "property_url": "https://openproperties.uk/al10/sparrowhawk-place/25"
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    {
      "url": "https://openproperties.uk/al10/sparrowhawk-place/25/4e95d757-6ea8-eda1-e050-a8c0630539e2",
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      "date_of_transfer": "2017-03-06",
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      "paon": "25",
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      "street": "SPARROWHAWK PLACE",
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      "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/sparrowhawk-place/25",
      "property_url": "https://openproperties.uk/al10/sparrowhawk-place/25"
    },
    {
      "url": "https://openproperties.uk/al10/sparrowhawk-place/25/a76583bc-4823-4f6b-a2e9-ac02179cf52b",
      "transaction_id": "A76583BC-4823-4F6B-A2E9-AC02179CF52B",
      "price": 220000,
      "date_of_transfer": "2014-10-24",
      "postcode": "AL10 9UR",
      "property_type": "F",
      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "25",
      "saon": null,
      "street": "SPARROWHAWK PLACE",
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      "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/sparrowhawk-place/25",
      "property_url": "https://openproperties.uk/al10/sparrowhawk-place/25"
    }
  ],
  "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
    }
  ]
}