Directory

This is a lookup file between electoral wards/divisions and local authority districts in the United Kingdom as at 2nd May 2024. (File Size - 1.4 MB) Field Names - WD24CD, WD24NM, WD24NMW LAD24CD,...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at August 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch 120...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at October 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at November 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch...

This file contains the ONS UPRN Directory (ONSUD) for Great Britain as at December 2025. The ONSUD relates the Unique Property Reference Number (UPRN) for each GB address from AddressBase® Epoch...

This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at February 2026 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip...

This is the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at May 2026 in Comma Separated Variable (CSV).  This is a new hosted table so can be accessed via API. The NSPL...

This is the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at February 2026 in Comma Separated Variable (CSV).  This is a new hosted table so can be accessed via API. The...

Approximately 14,000 sites make uip trhe Historical Land Use Database.  All of these were analysed for the potential of Mercury land Contamination during the production of the main report (See...

This file contains the digital vector boundaries for Middle layer Super Output Areas in England and Wales, as at 21 March 2021.The boundaries available are: (BSC) Super generalised (200m) -...

This file contains the digital vector boundaries for Counties in England, as at Census 1961. The boundaries available are: (BFC) Full resolution - clipped to the coastline (Mean High Water...

This is a lookup file between local authority districts and regions in England as at 1st April 2023. (File Size - 56 KB)Field Names - LAD23CD, LAD23NM, RGN23CD, RGN23NMField Types - Text, Text,...

A lookup file of wards to unitary authorities to Senedd Cymru electoral regions in Wales as at 31st December 2025.  (File size - 168KB) Field Names - WD25CD, WD25NM, WD25NMW, UA25CD, UA25NM,...

This file is a best fit lookup between Output Areas (2021), Civil Parishes/Non-Civil Parished Areas, Local Authorities, Counties/Unitary Authorities, Regions and Country in England and Wales as...

This is a lookup file between electoral wards/divisions and local authority districts in the United Kingdom as at 7th May 2026. (File Size - 1.2 MB)Field Names - WD26CD, WD26NM, WD26NMW, LAD26CD,...

This file contains the digital vector boundaries for the Wards in England and Wales as at 1991.Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of Feature Access...

This file contains the digital vector boundaries for the Countries in England and Wales as at 1991.Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of Feature Access...

This file contains the digital vector boundaries for the Counties in England and Wales as at 1991.Contains both Ordnance Survey and ONS Intellectual Property Rights. REST URL of Feature Access...

A best fit lookup between 2001 lower layer super output areas (LSOA) and electoral wards/divisions as at 31 December 2005. (File Size - 2 MB) For more information and an overview of best-fitting...

A best fit lookup between 2001 lower layer super output areas (LSOA) and electoral wards/divisions as at 31 December 2008. (File Size - 2 MB). For more information and an overview of best-fitting...