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Office for National Statistics
Dataset Description
This file is a best fit lookup between 2021 lower layer super output areas and local authority districts in England and Wales as at 1st April 2023 (File Size - 6 MB)
Field Names - LSOA21CD, LSOA21NM, LSOA21NMW, LAD23CD, LAD23NM, LAD23NMW
Field Types - Text, Text, Text, Text, Text, Text
Field Lengths - 9, 40, 29, 9, 35, 24
For more information and an overview of best-fitting follow this link -
https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about
Publisher name: Office for National Statistics
Last updated: 2025-11-29T04:03:41Z