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      "address_path": "sg3/park-lane/ferguson-house-4/flat-4",
      "property_url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4"
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      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg3/park-lane/ferguson-house-4/flat-4",
      "property_url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4"
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    {
      "url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4/241a4a53-a945-706b-e050-a8c06205638b",
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      "date_of_transfer": "2015-10-13",
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      "town_city": "KNEBWORTH",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg3/park-lane/ferguson-house-4/flat-4",
      "property_url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4"
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    {
      "url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4/2ef7ac3f-0c71-4892-ba56-bb5b48eabf5a",
      "transaction_id": "2EF7AC3F-0C71-4892-BA56-BB5B48EABF5A",
      "price": 192500,
      "date_of_transfer": "2005-10-28",
      "postcode": "SG3 6RF",
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      "property_type_display": "Flat/maisonette",
      "new_build": false,
      "duration": "L",
      "duration_display": "Leasehold",
      "paon": "FERGUSON HOUSE, 4",
      "saon": "FLAT 4",
      "street": "PARK LANE",
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      "town_city": "KNEBWORTH",
      "district": "NORTH HERTFORDSHIRE",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "sg3/park-lane/ferguson-house-4/flat-4",
      "property_url": "https://openproperties.uk/sg3/park-lane/ferguson-house-4/flat-4"
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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
    }
  ]
}