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Non-Civil Parished Area to Local Authority District (December 2025) Lookup in EN

This file is a lookup between non-civil parished areas to local authority districts in England as at 31st December 2025.  (File Size - 48 KB)Field Names - NCP25CD, NCP25NM, LAD25CD,...

LSOA (2011) to Electoral Ward (2018) to LAD (2018) Best Fit Lookup in EW (V3)

This file is a best fit lookup between 2011 lower layer super output areas, electoral wards/divisions and local authority districts in England and Wales as at 31 December 2018.  (File Size - 8...

Ward to Local Government District (April 2015) Lookup in Northern Ireland

Click on the title for more information and to download the file.  (File Size - 24 KB)

National Statistics Postcode Lookup User Guide and Version Notes (May 2016)

This user guide and version notes contains information about the NSPL including: content; data currency; the methodology for assigning areas to postcodes; data...

Output Area to Country (December 2011) Lookup in England and Wales

Click on the title for more details and to download the file.  (File Size - 433 KB)

Local Authority District to Country (December 2015) Lookup in the UK

Click on the title for more information and to download file.  (File Size - 19KB)

Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications (August 2018) Best Fit Lookup in the UK

A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local...

Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications (November 2018) Best Fit Lookup in the UK

A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local...

Postcode to OA (2011) to LSOA to MSOA to LAD with 2011 Classifications (February 2019) Best Fit Lookup in the UK

A best-fit lookup between postcodes, frozen 2011 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local...

Output Area (2021) to PARNCP to LAD to RGN to CTRY (May 2022) Best Fit Lookup in EW

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

Output Area (2021) to LSOA to MSOA to LAD (December 2021) Exact Fit Lookup in EW (V3)

A lookup between Output Areas (OA), Lower layer Super Output Areas (LSOA), Middle layer Super Output Areas (LSOA) and Local Authority Districts (LAD) as at 31 December 2021 in England and Wales....

Ward to Local Authority District to CTYUA to RGN to CTRY (May 2025) Lookup in the UK

A lookup between wards, local authority districts (LAD), counties, regions and countries as at 1st May 2025 in the United Kingdom (File Size - 2.8 MB). Field Names - WD25CD, WD25NM, WD25NMW,...

Ward to Local Authority District (May 2025) Lookup in the UK (V2)

This is a lookup file between electoral wards/divisions and local authority districts in the United Kingdom as at 1st May 2025. (File Size - 1.2 MB)Field Names - WD25CD, WD25NM, WD25NMW LAD25CD,...

Postcode to Output Area to Lower Layer Super Output Area to Middle Layer Super Output Area to Local Authority District (August 2021) Lookup in the UK

A best-fit lookup between postcodes, frozen  2011 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and current local authority districts...

Output Area (2021) to WD to LAD to CTYUA to RGN to CTRY (2022) Best Fit Lookup in EW (V2)

This file is a best fit lookup between 2021 Output Areas to Wards, Local Authority Districts, County and Unitary Authorities, Regions, Countries and England and Wales, as at May 2022 in England and...

MSOA (2021) to BUA to LAD to Region (December 2022) Best Fit Lookup in EW (V2)

A best fit lookup between 2021 Middle Layer Super Output Areas (MSOA), built up areas (BUA), local authority districts (LAD) and regions (RGN) as at 31st December 2022 in England and Wales. (File...

LSOA (2001) to BUASD to BUA to LAD to RGN (December 2011) Best Fit Lookup in EW

A best fit lookup between 2001 Lower layer Super Output Areas (LSOA), built-up area sub-divisions (BUASD), built-up areas (BUA), local authority districts (LAD) and regions (RGN) as...

LAD (2020) to LAU1 to ITL3 to ITL2 to ITL1 (January 2021) Lookup in the UK (V2)

A lookup between local authority districts (LAD) as at 31 December 2020, LAU1 and International Territorial Levels (ITL level 3, ITL level 2 and ITL level 1 areas as at 1 January 2021 in the United...

Local Authority District to Local Skills Improvement Plan Areas (October 2025) Lookup in EN

This file contains a lookup for Local Authority districts to Local Skills Improvement Plan areas in England as at 1st October 2025.  (File Size - 16 KB).Field Names – LAD25CD, LAD25NM,...

Built-up Area to Region (December 2011) Lookup in England and Wales

Click on the title for more information and to download the file.  (File Size - 368 KB)