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      "ppd_category_type": "A",
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      "address_path": "al3/park-field/20",
      "property_url": "https://openproperties.uk/al3/park-field/20"
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    {
      "url": "https://openproperties.uk/al3/park-field/20/1e05d058-1153-45b0-ad30-1b450a626448",
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      "date_of_transfer": "2001-05-04",
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      "duration": "F",
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      "street": "PARK FIELD",
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      "town_city": "ST. ALBANS",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/park-field/20",
      "property_url": "https://openproperties.uk/al3/park-field/20"
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    {
      "url": "https://openproperties.uk/al3/park-field/20/ae90b93d-e7e4-40d1-8e30-d3570058ad47",
      "transaction_id": "AE90B93D-E7E4-40D1-8E30-D3570058AD47",
      "price": 59500,
      "date_of_transfer": "1995-09-29",
      "postcode": "AL3 8RD",
      "property_type": "T",
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      "new_build": false,
      "duration": "F",
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      "paon": "20",
      "saon": null,
      "street": "PARK FIELD",
      "locality": "MARKYATE",
      "town_city": "ST. ALBANS",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/park-field/20",
      "property_url": "https://openproperties.uk/al3/park-field/20"
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  ],
  "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
    }
  ]
}