The Code History Database includes information on all codes, relationships, hierarchies and archived data and is available in MS Access.
ONS Geography are also able to provide simple lookups, in Excel format, which relate the current codes to former codes.
The lookup files that we consider to be most frequently requested are available for download.
If you require lookup files for other geographies these can be supplied free of charge on request.
Please contact us for details.
Lookup files, with accompanying metadata, are in MS Excel format.
Availability and cost
Files are available to download free of charge.
All CHD Lookups in a single Zip file