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

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, CTYUA25NMWField Types – Text, Text, Text, TextField Lengths – 9, 9, 35, 24For more information and an overview of best-fitting follow this link - https://geoportal.statistics.gov.uk/datasets/f0aac7ccbfd04cda9eb03e353c613faa/about