{
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  "county": "HERTFORDSHIRE",
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  "postcodes": [
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      "duration": "F",
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      "locality": "MARKYATE",
      "town_city": "ST ALBANS",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/cowper-road/44",
      "property_url": "https://openproperties.uk/al3/cowper-road/44"
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    {
      "url": "https://openproperties.uk/al3/cowper-road/44/2b61f9f7-b9d0-4ab7-8666-b0f4f8b21408",
      "transaction_id": "2B61F9F7-B9D0-4AB7-8666-B0F4F8B21408",
      "price": 140900,
      "date_of_transfer": "2001-01-17",
      "postcode": "AL3 8PR",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
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      "paon": "44",
      "saon": null,
      "street": "COWPER ROAD",
      "locality": "MARKYATE",
      "town_city": "ST. ALBANS",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/cowper-road/44",
      "property_url": "https://openproperties.uk/al3/cowper-road/44"
    },
    {
      "url": "https://openproperties.uk/al3/cowper-road/44/21a2bc58-f8f1-4994-838e-e175726f1d01",
      "transaction_id": "21A2BC58-F8F1-4994-838E-E175726F1D01",
      "price": 89995,
      "date_of_transfer": "1997-08-04",
      "postcode": "AL3 8PR",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "44",
      "saon": null,
      "street": "COWPER ROAD",
      "locality": "MARKYATE",
      "town_city": "ST. ALBANS",
      "district": "DACORUM",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/cowper-road/44",
      "property_url": "https://openproperties.uk/al3/cowper-road/44"
    }
  ],
  "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
    }
  ]
}