{
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  "postcodes": [
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      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/church-lane/chalkleys-barn",
      "property_url": "https://openproperties.uk/sg4/church-lane/chalkleys-barn"
    },
    {
      "url": "https://openproperties.uk/sg4/church-lane/chalkleys-barn/39c477fa-b721-44de-aaf6-16aee7638492",
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      "date_of_transfer": "1999-07-27",
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      "property_type": "D",
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      "paon": "CHALKLEYS BARN",
      "saon": null,
      "street": "CHURCH LANE",
      "locality": "GRAVELEY",
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/church-lane/chalkleys-barn",
      "property_url": "https://openproperties.uk/sg4/church-lane/chalkleys-barn"
    },
    {
      "url": "https://openproperties.uk/sg4/church-lane/chalkleys-barn/0687eb2e-c48e-4cc2-b6b7-c295ff187464",
      "transaction_id": "0687EB2E-C48E-4CC2-B6B7-C295FF187464",
      "price": 328000,
      "date_of_transfer": "1995-07-21",
      "postcode": "SG4 7LR",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "CHALKLEYS BARN",
      "saon": null,
      "street": "CHURCH LANE",
      "locality": "GRAVELEY",
      "town_city": "HITCHIN",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg4/church-lane/chalkleys-barn",
      "property_url": "https://openproperties.uk/sg4/church-lane/chalkleys-barn"
    }
  ],
  "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
    }
  ]
}