This is a best fit lookup between 2011 Output Areas (OA) to local administrative units level 2 (LAU2) as at 31 December 2020 in England and Wales. (File Size - 18 MB)Field Names - OA11CD, LAU220CD, LAU220NM, FIDField Types - Text, Text, TextField Lengths - 9, 9, 53NB: Electoral Change orders operative in May 2020 postponed until May 2021FID = The FID, or Feature ID is created by the publication process when the names and codes / lookup products are published to the Open Geography portal.REST URL of Feature Access Service – https://services1.arcgis.com/ESMARspQHYMw9BZ9/arcgis/rest/services/OA11_LAU220_EW_LU_bee6d509edcb40b2b02b8da7056dde82/FeatureServer
For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about