Output Area (2021) to County and Unitary Authority (April 2025) Best Fit Lookup in EW

Published by:
Office for National Statistics
Last updated:
27 January 2026
Topic:
Not added
Licence:
None

Summary

A lookup between 2021 Output Areas (OA) and County and Unitary Authorities (CTYUA) (Counties, Unitary Authorities, Metropolitan Districts and London Boroughs) as at 1st April 2025 in England and Wales. (File Size 6.1 MB).

Field Names – OA21CD, CTYUA25CD, CTYUA25NM, CTYUA25NMW

Field Types – Text, Text, Text, Text

Field Lengths – 9, 9, 35, 24


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