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- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This User Guide contains information about the
ONSUD including: directory content; data currency; the
methodology for assigning areas to postcodes; data...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
This User Guide contains information about the
ONSUD including: directory content; data currency; the
methodology for assigning areas to postcodes; data...
- Published by:
- Office for National Statistics
- Last updated:
- 21 July 2025
This file contains the digital vector boundaries for Wards in the United Kingdom as at December 2022. The boundaries available are: (BSC) Super Generalised (200m) - clipped to the coastline (Mean...
- Published by:
- Office for National Statistics
- Last updated:
- 27 January 2026
This file contains the digital vector boundaries for Police Force Areas, in England and Wales, as at December 2024.The boundaries available are: (BFE) Full resolution - extent of the realm (usually...
- Published by:
- Office for National Statistics
- Last updated:
- 28 October 2025
This file contains the digital vector boundaries for County Electoral Division, in England, as at May 2025. The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline...
- Published by:
- Office for National Statistics
- Last updated:
- 16 December 2025
This file contains the National Statistics Postcode Lookup (NSPL) for the United Kingdom as at November 2025 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. To download the zip file...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This file contains the names and codes for local authority districts (LAD) and unitary authorities (UA) in the United Kingdom as at 31st December 2019 (File Size - 48KB) Field Names - LAD19CD,...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
A lookup between Workplace Zones (WZ), Middle Layer Super Output Areas (MSOA) and local authority districts (LAD) as at 31 December 2020 in England and Wales. (File Size 10 MB).Field Names –...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This is a lookup file between local authority districts, Public Health England Centres and Public Health England Regions in England as at 31st December 2020. (File Size - 88 KB)Field Names -...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This is a lookup file between wards and National Assembly for Wales constituencies in Wales as at 31st December 2020. (File size - 144KB)Field Names - WD20CD, WD20NM, WD20NMW, NAWC20CD,...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
A lookup file of wards to unitary authorities to National Assembly for Wales electoral regions in Wales as at 31st December 2020. (File size - 48KB) Field Names - WD20CD, WD20NM, UA20CD,...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is a best fit lookup between 2011 Output Areas (OA) and counties/unitary authorities as at 31 December 2021 in England. (File Size - 3 MB)Field Names - OA11CD, CTYUA21CD, CTYUA21NM,...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
A lookup file between local authority districts (LAD) and fire and rescue authorities (FRA) in England and Wales as at 31 December 2020. (File Size - 64 KB)Field Names - LAD20CD, LAD20NM,...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
A lookup file between local authority districts (LAD) and fire and rescue authorities (FRA) in England and Wales as at 1st April 2021. (File Size - 64 KB)Field Names - LAD21CD, LAD21NM,...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
A lookup file between unitary authorities and Department for Children Education Lifelong Learning and Skills areas in Wales as at 31 December 2020. (File Size - 16 KB)Field Names -...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
A lookup file of unitary authorities to National Assembly Economic Regions in Wales as at 31 December 2020. (File Size - 15KB)Field Names - UA20CD, UA20NM, WD20CD, WD20NM, NAER20CD, NAER20NM,...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This file contains the names and codes for local health boards in Wales as at 31st December 2021. (File Size - 11 KB) Field Names - LHB21CD, LHB21NM, LHB21NMW, FIDField Types -...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This User Guide contains
information about the ONSUD including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This User Guide contains information about the NSUL including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This User Guide contains information about the ONSUD
including: directory content; data currency; the methodology for assigning areas to postcodes; data formats; data...
