{
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  "address_path": "al3/harpenden-lane/28",
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  "street": "HARPENDEN LANE",
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  "town_city": "ST ALBANS",
  "district": "ST ALBANS",
  "county": "HERTFORDSHIRE",
  "postcode": "AL3 7PB",
  "postcodes": [
    "AL3 7PB"
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  "location_precision": "postcode_centroid",
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      "price": 485000,
      "date_of_transfer": "2022-12-19",
      "postcode": "AL3 7PB",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
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      "street": "HARPENDEN LANE",
      "locality": "REDBOURN",
      "town_city": "ST ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/harpenden-lane/28",
      "property_url": "https://openproperties.uk/al3/harpenden-lane/28"
    },
    {
      "url": "https://openproperties.uk/al3/harpenden-lane/28/a8f87029-9b70-4104-8cd5-e25e0a0d212a",
      "transaction_id": "A8F87029-9B70-4104-8CD5-E25E0A0D212A",
      "price": 130000,
      "date_of_transfer": "1999-03-23",
      "postcode": "AL3 7PB",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
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      "street": "HARPENDEN LANE",
      "locality": "REDBOURN",
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/harpenden-lane/28",
      "property_url": "https://openproperties.uk/al3/harpenden-lane/28"
    },
    {
      "url": "https://openproperties.uk/al3/harpenden-lane/28/781a3744-5d76-498d-ae68-d371bfda7ebc",
      "transaction_id": "781A3744-5D76-498D-AE68-D371BFDA7EBC",
      "price": 122080,
      "date_of_transfer": "1997-10-31",
      "postcode": "AL3 7PB",
      "property_type": "D",
      "property_type_display": "Detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "28",
      "saon": null,
      "street": "HARPENDEN LANE",
      "locality": "REDBOURN",
      "town_city": "ST. ALBANS",
      "district": "ST ALBANS",
      "county": "HERTFORDSHIRE",
      "ppd_category_type": "A",
      "last_seen_at": "2026-07-09T18:56:26.350736+00:00",
      "address_path": "al3/harpenden-lane/28",
      "property_url": "https://openproperties.uk/al3/harpenden-lane/28"
    }
  ],
  "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
    }
  ]
}