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Ward to Local Authority District (December 2018) Lookup in the UK
This is a lookup file between electoral wards/divisions and local authority districts in the United Kingdom as at 31 December 2018. (File Size - 1MB) Field Names - WD18CD,... -
Local Authority District (2022) to Local Authority District (2023) Lookup in the UK
A lookup file of the local authorty districts as at December 2022 to the local authority districts as at April 2023 in the United Kingdom (File Size = 64KB)Field Names -... -
Local Authority District (2024) to Local Authority District (2025) Lookup in...
A lookup file of the local authority districts as at December 2024 to the local authority districts as at 1st April 2025 in the United Kingdom (File Size = 64KB) Field Names -... -
Postcode (May 2021) to OA (2021) to LSOA to MSOA to LAD to CTYUA to RGN to...
A best-fit lookup between postcodes, 2021 Census Output Areas (OA), LSOAs, MSOAs, LADs, CTYUAs, regions (RGN), countries (CTRY) and nationalities (NAT) as at May 2021 in England... -
Unitary Authority to Department for Children Education Lifelong Learning...
A lookup file between unitary authorities and Department for Children Education Lifelong Learning and Skills areas in Wales as at 31 December 2018. (File Size - 16 KB)Field... -
Ward to LAD to County to County Electoral Division (May 2018) Lookup for EN
A lookup of wards to local authority districts to county to county electoral divisions in England as at 3rd May 2018. (File Size - 2 MB).Field Names – WD18CD, WD18NM, LAD18CD,... -
Unitary Authority to National Assembly Economic Region (August 2016) Lookup in WA
A lookup file of unitary authorities to National Assembly Economic Regions in Wales as at 1 August 2016. (File Size - 5 KB) -
Unitary Authority to National Assembly Economic Region (December 2018) Lookup in WA
A lookup file of unitary authorities to National Assembly Economic Regions in Wales as at 31 December 2018. (File Size - 15 KB)Field Names - UA18CD, UA18NM, WD18CD, WD18NM,... -
Unitary Authority to Department for Children Education Lifelong Learning and...
A lookup file between unitary authorities and Department for Children Education Lifelong Learning and Skills areas in Wales as at 1 August 2016. (File Size - 1 KB) -
Local Authority District to Combined Authority (December 2018) Lookup in EN (V2)
A lookup file between local authority districts (LAD) and combined authorities (CAUTH) in England as at 31st December 2018. The names of the combined authorities in this product... -
Postcode to OA (2021) to LSOA to MSOA to LAD (November 2025) Best Fit Lookup...
A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts... -
Postcode to OA (2021) to LSOA to MSOA to LAD (August 2025) Best Fit Lookup in the UK
A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and local authority districts... -
Postcode to OA (2021) to LSOA to MSOA to LAD with 2011 Classifications...
A best-fit lookup between postcodes, 2021 Census Output Areas (OA), Workplace Zones (WZ), Lower Layer Super Output Areas (LSOA), Middle Layer Super Output Areas (MSOA) and... -
Local Authority District to County and Unitary Authority (December 2018)...
A lookup file of the local authority districts (local authority districts, unitary authorities, metropolitan districts, London boroughs) to the county and unitary authorities... -
Local Planning Authority to Local Authority District (April 2025) Lookup in the UK
This is a lookup file between local planning authorities and local authority districts in the United Kingdom as at 1st April 2025. (File size - 88 KB). Field Names -... -
Local Authority District to Inner and Outer London (December 2022) Lookup in EN
A lookup file between local authority district (LAD) and inner and outer London (IOL) in England as at 31st December 2022. (File size - 16KB) Field Names - LAD22CD, LAD22NM,... -
Ward to Unitary Authority to Senedd Cymru Electoral Region (December 2025)...
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,... -
Ward to Unitary Authority to Senedd Cymru Constituency (December 2025) Lookup in WA
This is a lookup file between wards and Senedd Cymru constituencies in Wales as at 31st December 2025. (File size - 184KB) Field Names - WD25CD, WD25NM, WD25NMW, UA25CD,... -
Unitary Authority to Local Health Board (December 2025) Lookup in WA
A lookup file between unitary authorities and local health boards in Wales as at 31st December 2025. (File Size - 16 KB) Field Names - UA25CD, UA25NM, LHB25CD,... -
Local Authority District to Country (April 2019) Lookup in the UK
This is a lookup file between local authority districts and countries in the UK as at 1st April 2019. (File Size - 64 KB)Field Names - LAD19CD, LAD19NM, CTRY19CD, CTRY19NM,...