Not visa related, and specifically about UK passport holders. The UK government have communicated that IDP's will no longer be issued by the Post Office from April 1st. This service will move to certain Pay Point stores. The list of stores will be published on April. 1st.[members only].
TLDR : Answer Summary
The UK government has announced that as of April 1, 2024, International Driving Permits (IDPs) will no longer be issued by the Post Office. Instead, they will be available at selected Pay Point stores, with a list of these locations to be released on the same date.