Output Area (2011) to County and Unitary Authority (December 2021) Best Fit Lookup in EN

Published by:
Office for National Statistics
Last updated:
11 August 2025
Topic:
Not added
Licence:
None

Summary

This is a best fit lookup between 2011 Output Areas (OA) and counties/unitary authorities as at 31 December 2021 in England.  (File Size - 3 MB)

Field Names - OA11CD, CTYUA21CD, CTYUA21NM, FID
Field Types - Text, Text, Text
Field Lengths - 9, 9, 35

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 - 

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