Unique Property Reference Number

The Unique Property Reference Number (UPRN) is a unique alphanumeric identifier (a geocode) for every spatial address in Great Britain and can be found in Ordnance Survey's AddressBase products.

A UPRN provides a comprehensive, complete, consistent identifier throughout a property’s life cycle from planning permission through to demolition. For example, the UPRN for 10 Downing Street is 100023336956,[1] and that for Bristol Central Library is 000000199356.[2] The UPRN contains no attribution or information (for example coordinate position) about the property.[3]

UPRNs and USRNs (Unique Street Reference Numbers)[4] are managed by GeoPlace,[5] a joint venture between the Local Government Association and Ordnance Survey to create a definitive national databases of addresses and streets, now available under an Open Government Licence (OGL).[6]

The Government Digital Service has mandated the UPRN and USRN as "the public sector standard for referencing and sharing property and street information".[7]

ONSUD

The Office for National Statistics (ONS) Geography group produces the ONS UPRN Directory (ONSUD) which relates the UPRN for each postal address in Great Britain to a range of current statutory administrative, electoral, health and other area geographies. It also links UPRNs to 2011 Census Output Areas (OA) and Super Output Areas (SOA).[8] It is designed to complement the Ordnance Survey's AddressBase location intelligence products.[9]

The ONSUD is issued every six weeks, and is available for free download in comma separated variable (CSV) format from the ONS Open Geography Portal. The content is broken down by region, with each being supplied as a separate file (with a file each for Wales and Scotland).

The ONSUD reflects UPRNs using information supplied on a 6-weekly basis by Ordnance Surveys's AddressBase. In most instances, it relates UPRNs to geographic areas as at the end of the preceding year. The ONSUD uses the Government Statistical Service (GSS) standard 9-character codes throughout and lookup files linking these codes to statutory area names are provided.[10]

Data fields

Each record in the ONSUD contains the following fields:

See also

References
  1. "Your long term flood risk assessment". flood-warning-information.service.gov.uk. Retrieved 9 June 2020.
  2. "Library finder". Bristol City Council. Retrieved 9 June 2020.
  3. Ordnance Survey Policy statement – Unique Property Reference Number (UPRN) Retrieved 22 June 2019.
  4. "Identifying properties and streets in government data - Technology in government". technology.blog.gov.uk. Retrieved 30 June 2020.
  5. "Home". GeoPlace. Retrieved 30 June 2020.
  6. "Geospatial Commission to release core identifiers under Open Government Licence". GOV.UK. Retrieved 30 June 2020.
  7. "New freedoms to share UPRNs and USRNs". GeoPlace. Retrieved 22 July 2020.
  8. ONS A Beginners guide to UK geography Retrieved 9 April 2020.
  9. Ordnance Survey AddressBase products Retrieved 22 June 2019.
  10. ONS ONS UPRN Directory User Guide Retrieved 9 April 2020
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