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Code History Database (August 2018) for the UK
This zip file contains the Code History Database for the United Kingdom as at August 2018. To download the zip file click the Download button. The Code History Database (CHD)... -
Code History Database (June 2019) for the UK
This zip file contains the Code History Database for the United Kingdom as at June 2019. To download the zip file click the Download button. BUG FIX (29th July 2019)A bug was... -
Code History Database (June 2025) for the UK
This zip file contains the Code History Database for the United Kingdom as at 1st June 2025. (File size: 52.5 MB) To download the zip file click the Download button. Updates in... -
Code History Database (September 2020) for the UK (V2)
This zip file contains the Code History Database for the United Kingdom as at September 2020. To download the zip file click the Download button. Updated Geographies· Updates to... -
Code History Database (June 2021) for the UK
This zip file contains the Code History Database for the United Kingdom as at June 2021. To download the zip file click the Download button.File includes updates to: E04 - Civil... -
Code History Database (December 2025) for the UK
This zip file contains the Code History Database for the United Kingdom as at 31st December 2025. (File size: 52.5 MB) To download the zip file click the Download button.... -
Code History Database (December 2022) for the UK (V2)
This zip file contains the Code History Database for the United Kingdom as at December 2022. This is a Version 2 of the database that removes the Combined field in the Geography... -
Code History Database (June 2026) for the UK
This zip file contains the Code History Database for the United Kingdom as at 31st December 2025. (File size: 52.5 MB) To download the zip file click the Download button....