This file is a best fit lookup between 2021 lower layer super output areas, electoral wards/divisions and local authority districts in England and Wales as at 31st December 2022 (File Size - 9.2 MB) Field Names - LSOA21CD, LSOA21NM, LSOA21NMW, WD22CD, WD22NM, LAD22CD, LAD22NMField Types - Text, Text, Text, Text, Text, Text, Text, TextField Lengths - 9, 40, 29, 9, 53, 9, 35File has been updated to correct ward name in Wales - W05001063 - Pontlliw and TircoedFile has been updated to include Welsh equivalent names for LSOAs
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about