{
  "url": "https://openproperties.uk/al4/high-street/173",
  "address_path": "al4/high-street/173",
  "paon": "173",
  "saon": null,
  "street": "HIGH STREET",
  "locality": "COLNEY HEATH",
  "town_city": "ST ALBANS",
  "district": "ST ALBANS",
  "county": "HERTFORDSHIRE",
  "postcode": "AL4 0NN",
  "postcodes": [
    "AL4 0NN"
  ],
  "latitude": 51.74084994056705,
  "longitude": -0.2648877235294059,
  "location_precision": "postcode_centroid",
  "sale_count": 3,
  "first_sale_date": "1995-07-07",
  "last_sale_date": "2014-10-22",
  "last_price": 325000,
  "truncated": false,
  "sales": [
    {
      "url": "https://openproperties.uk/al4/high-street/173/c4c6ce9d-923d-42b4-8914-c63aa87b15ef",
      "transaction_id": "C4C6CE9D-923D-42B4-8914-C63AA87B15EF",
      "price": 325000,
      "date_of_transfer": "2014-10-22",
      "postcode": "AL4 0NN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "173",
      "saon": null,
      "street": "HIGH STREET",
      "locality": "COLNEY HEATH",
      "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": "al4/high-street/173",
      "property_url": "https://openproperties.uk/al4/high-street/173"
    },
    {
      "url": "https://openproperties.uk/al4/high-street/173/707987d8-9a5c-41b7-be6c-3157612832f1",
      "transaction_id": "707987D8-9A5C-41B7-BE6C-3157612832F1",
      "price": 260000,
      "date_of_transfer": "2005-11-04",
      "postcode": "AL4 0NN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "173",
      "saon": null,
      "street": "HIGH STREET",
      "locality": "COLNEY HEATH",
      "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": "al4/high-street/173",
      "property_url": "https://openproperties.uk/al4/high-street/173"
    },
    {
      "url": "https://openproperties.uk/al4/high-street/173/bb37acc0-7b60-44b2-8f89-170750aa4a74",
      "transaction_id": "BB37ACC0-7B60-44B2-8F89-170750AA4A74",
      "price": 92000,
      "date_of_transfer": "1995-07-07",
      "postcode": "AL4 0NN",
      "property_type": "S",
      "property_type_display": "Semi-detached",
      "new_build": false,
      "duration": "F",
      "duration_display": "Freehold",
      "paon": "173",
      "saon": null,
      "street": "HIGH STREET",
      "locality": "COLNEY HEATH",
      "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": "al4/high-street/173",
      "property_url": "https://openproperties.uk/al4/high-street/173"
    }
  ],
  "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
    }
  ]
}