I am down to the last few pages in my passport so need to get a new one. I'm visiting the UK next month, if I got a new passport whilst there would I be able to come back into Thailand on my current visa if I bring my new passport and old one with the visa and re-entry permit? Thanks!
TLDR : Answer Summary
If you are renewing your passport while visiting the UK, you can still re-enter Thailand using your current visa as long as you bring both your old passport (where the visa is) and your new passport. Some users recommend visiting a local immigration office to get the extension stamp transferred. However, be mindful of the potential delays in obtaining a new passport in the UK due to backlogs and ensure you check for fast track appointment options if needed.
FAST TRACK RESOURCES / SERVICES