A best fit lookup between Lower layer Super Output Areas (LSOA), Built-up Areas (2022) to local authority districts (LAD) to regions as at 31 December 2002 in England and Wales. (File Size 36.3 MB).Field Names – LSOA21CD, LSOA21NM, LSOA21NMW, BUA22CD, BUA22NM, BUA22NMW LAD22CD, LAD22NM, LAD22NMW, RGN22CD, RGN22NM, RGN22NMWField Types – Text, Text, Text, Text, Text, Text, Text, TextField Lengths – 9, 50, 29, 9, 50, 24, 9, 35, 24, 9, 24, 24File updated to included 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