This file is a best fit lookup between 2011 lower layer super output areas, electoral wards/divisions and local authority districts in England and Wales as at 31 December 2019. (File Size - 8 MB)
Field Names - LSOA11CD, LSOA11NM, WD19CD, WD19NM, LAD19CD, LAD19NM, FID
Field Types - Text, Text, Text, Text, Text, Text, Text
Field Lengths - 9, 33, 9, 53, 9, 35
W01000060 - Gwynedd 015B - now correctly allocated to W05000056 - Corris/Mawddwy - W06000002 - Gwynedd
FID = 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.
For more information and an overview of best-fitting follow this link -