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- Published by:
- Office for National Statistics
- Last updated:
- 27 January 2026
A lookup between 2021 Output Areas (OA) and County and Unitary Authorities (CTYUA) (Counties, Unitary Authorities, Metropolitan Districts and London Boroughs) as at 1st April 2025 in England and...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This file contains the digital vector boundaries for Westminster Parliamentary Constituencies in the UK, as at 31 December 2017. The boundaries available are: Full resolution - clipped...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This is a lookup file between wards and Senedd Cymru constituencies in Wales as at 31st December 2023. (File size - 184KB)Field Names - WD23CD, WD23NM, WD23NMW, UA23CD, UA23NM, UA23NMW,...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This file contains the 'Full' NHS Postcode Directory (NHSPD) as at February 2023. The NHSPD relates both current and terminated postcodes in the United Kingdom to a range of current statutory...
- Published by:
- Office for National Statistics
- Last updated:
- 18 November 2025
Please Note: This file updated on 26th August 2025 to correct ward/local authority district allocation for E01027305 - West Northamptonshire 048E which was incorrect. See further details on our...
- Published by:
- Office for National Statistics
- Last updated:
- 18 February 2026
This file contains the digital vector boundaries for built up areas in England and Wales as at 2024. The built up area boundaries are generalised and created using an automated approach based on a...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This file contains the digital vector boundaries for Middle Layer Super Output Areas for England and Wales as at 31 December 2011. The boundaries available are: Super generalised (200m) -...
- Published by:
- Office for National Statistics
- Last updated:
- 23 December 2025
This file is a best fit lookup between output areas (December 2021), electoral wards/divisions and local authority districts in England and Wales as at 1st May_2025. (File Size - 11...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This file contains the digital vector boundaries for Output Areas in England and Wales, as at 21 March 2021. The Boundaries available are: (BFC) Full resolution - clipped to the coastline...
- Published by:
- Office for National Statistics
- Last updated:
- 06 May 2026
This file is a best fit lookup between 2021 middle layer super output areas and counties and unitary authorities in England and Wales as at 1st April 2025. (File size - 1.2 MB)Field Names -...
- Published by:
- Office for National Statistics
- Last updated:
- 24 November 2024
This file contains the digital vector boundaries for Lower layer Super Output Areas as at 31 December 2011 in England and Wales. The boundaries available are: BSC Super generalised (200m)...
- Published by:
- Office for National Statistics
- Last updated:
- 23 September 2025
This file is a 'best fit' lookup file of 2021 LSOA to Westminster Parliamentary Constituencies (July 2024) to Local Authority Districts in England and Wales - (File Size - 2.8...
- Published by:
- Office for National Statistics
- Last updated:
- 09 December 2025
A lookup between local authority districts (LAD) as at 1st April 2021, LAU1 and International Territorial Levels (ITL level 3, ITL level 2 and ITL level 1 areas as at 1 January 2021 in the United...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at November 2019 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at November 2021 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at February 2022 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at February 2020 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at May 2020 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs so...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at August 2020 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs...
- Published by:
- Office for National Statistics
- Last updated:
- 11 August 2025
This is the ONS Postcode Directory (ONSPD) for the United Kingdom as at August 2021 in Comma Separated Variable (CSV) and ASCII text (TXT) formats. This file contains the multi CSVs...
