{
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      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg1/grasmere/10",
      "property_url": "https://openproperties.uk/sg1/grasmere/10"
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    {
      "url": "https://openproperties.uk/sg1/grasmere/10/1fd304ab-b5b8-47e5-a5de-c578f694abe7",
      "transaction_id": "1FD304AB-B5B8-47E5-A5DE-C578F694ABE7",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg1/grasmere/10",
      "property_url": "https://openproperties.uk/sg1/grasmere/10"
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    {
      "url": "https://openproperties.uk/sg1/grasmere/10/6b9649c6-ed65-4643-a3f2-644bb70d3ed5",
      "transaction_id": "6B9649C6-ED65-4643-A3F2-644BB70D3ED5",
      "price": 170995,
      "date_of_transfer": "1999-10-29",
      "postcode": "SG1 6AT",
      "property_type": "D",
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      "duration": "F",
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      "paon": "10",
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      "street": "GRASMERE",
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      "town_city": "STEVENAGE",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg1/grasmere/10",
      "property_url": "https://openproperties.uk/sg1/grasmere/10"
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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
    }
  ]
}