Resources: Look-ups for converting OA and LSOA codes

Some Local Insight custom areas are built up using 2001 Output Areas (OAs). Local Insight uses the old-style OA codes when displaying your custom area’s constituent regions.

If you need to access your equivalent new style OA codes, please use the following old-to-new OA code lookup

If you need to convert areas between 2001 and 2011 geographies, we recommend using the following 2001 to 2011 best-fit lookups from the ONS:



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