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      "address_path": "sg6/marmet-avenue/92",
      "property_url": "https://openproperties.uk/sg6/marmet-avenue/92"
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      "url": "https://openproperties.uk/sg6/marmet-avenue/92/5205105c-2d21-45ae-b196-9c10bd4cb6fd",
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      "town_city": "LETCHWORTH GARDEN CITY",
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      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg6/marmet-avenue/92",
      "property_url": "https://openproperties.uk/sg6/marmet-avenue/92"
    },
    {
      "url": "https://openproperties.uk/sg6/marmet-avenue/92/6ad9ea71-e0eb-4624-9b19-d9a12e2f7d31",
      "transaction_id": "6AD9EA71-E0EB-4624-9B19-D9A12E2F7D31",
      "price": 19745,
      "date_of_transfer": "1996-10-18",
      "postcode": "SG6 4QF",
      "property_type": "F",
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      "duration": "L",
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      "paon": "92",
      "saon": null,
      "street": "MARMET AVENUE",
      "locality": "LETCHWORTH GARDEN CITY",
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      "district": "NORTH HERTFORDSHIRE",
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      "ppd_category_type": "A",
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      "address_path": "sg6/marmet-avenue/92",
      "property_url": "https://openproperties.uk/sg6/marmet-avenue/92"
    }
  ],
  "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
    }
  ]
}