{
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al9/pine-grove/39",
      "property_url": "https://openproperties.uk/al9/pine-grove/39"
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    {
      "url": "https://openproperties.uk/al9/pine-grove/39/22fb946b-b919-401e-8f77-567fc7de2455",
      "transaction_id": "22FB946B-B919-401E-8F77-567FC7DE2455",
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      "date_of_transfer": "1999-04-08",
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      "paon": "39",
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      "street": "PINE GROVE",
      "locality": "BROOKMANS PARK",
      "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/pine-grove/39",
      "property_url": "https://openproperties.uk/al9/pine-grove/39"
    },
    {
      "url": "https://openproperties.uk/al9/pine-grove/39/55334d20-4b66-48ef-a7ca-793614cddf9f",
      "transaction_id": "55334D20-4B66-48EF-A7CA-793614CDDF9F",
      "price": 230000,
      "date_of_transfer": "1996-04-19",
      "postcode": "AL9 7BL",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
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      "paon": "39",
      "saon": null,
      "street": "PINE GROVE",
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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": "al9/pine-grove/39",
      "property_url": "https://openproperties.uk/al9/pine-grove/39"
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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
    }
  ]
}