ONS UPRN Directory

The ONS UPRN Directory (ONSUD) relates the Unique Property Reference Number (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).[1] It is designed to complement the Ordnance Survey's AddressBase location intelligence products.[2].

A Unique Property Reference Number (UPRN) is a unique alphanumeric identifier for every spatial address in Great Britain and can be found in Ordnance Survey's AddressBase products. It provides a comprehensive, complete, consistent identifier throughout a property’s life cycle – from planning permission through to demolition. The UPRN contains no attribution or information (for example coordinate position) about the property.[3]

The ONSUD is produced by ONS Geography, who provide geographic support to the Office for National Statistics (ONS). The ONSUD is issued every six weeks. The ONSUD 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.[4]

In 2020, the government released UPRNs, with their corresponding coordinates, and Unique Street Reference Numbers (USRNs) as open data, and mandated the two identifier types as "the public sector standard for referencing and sharing property and street information".[5]

Examples

The UPRN for 10 Downing Street is 100023336956,[6] and for Bristol Central Library, 000000199356.[7]

Data fields

Each record in the ONSUD contains the following fields:

gollark: But stupidly.
gollark: And 41.
gollark: What?
gollark: Anyway, possible performance issue cause: every time you run a screen update it reloads the room image.
gollark: Also, `b` and `c` are utterly horrific.

References
  1. ONS A Beginners guide to UK geography Retrieved 9 April 2020.
  2. Ordnance Survey AddressBase products Retrieved 22 June 2019.
  3. Ordnance Survey Policy statement – Unique Property Reference Number (UPRN) Retrieved 22 June 2019.
  4. ONS ONS UPRN Directory User Guide Retrieved 9 April 2020
  5. "New freedoms to share UPRNs and USRNs". GeoPlace. Retrieved 22 July 2020.
  6. "Your long term flood risk assessment". flood-warning-information.service.gov.uk. Retrieved 9 June 2020.
  7. "Library finder". Bristol City Council. Retrieved 9 June 2020.
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