So i am looking at returning to the UK in the new year for a month

And my UK driving license as expired so now i only have a 5 year Thai driving license .

Dont think using my Thai license is possibly ?

Can you apply for a international permit in Thailand ?

What are the options for me

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Yes, you can get an International Driving Permit for your Thai license at the Transport Department where you got your license.

Yes, you can get an IDP with your 5 year licence.

Moving to motoring.

Get a family member to get a renewal form and post it to you to sign, use your family address as a change of address, post it back to family to post on. They will receive your new license for you.

I think you will find that you can do this from their website. I did some months ago and the new licence was posted back to UK address