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 Wales. (File size - 31 MB)Field Names - OA21CD, WD22CD, WD22NM, WD22NMW, LAD22CD, LAD22NM, LAD22NMW, CTYUA22CD, CTYUA22NM, CTYUA22NMW, RGN22CD, RG22NM, RGN22NMW, CTRY22CD, CTRY22NM, CTRY22NMW, NAT22CD, NAT22NM, NAT22NMWField Types - Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, Text, TextField Lengths - 9, 9, 70, 70, 9, 35, 30, 9, 35, 30, 9, 24, 7, 9, 7, 7, 9, 25, 25File has been updated to correct ward name in Wales - W05001063 - Pontlliw and Tircoed
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about