Apologies if this has been asked before but I have only just joined the group. I have a UK passport so I have Visa exemption for one month. How long can I extend for whilst in the country? Is it just 30 days? Would I need to show evidence of a ticket leaving the country when that time elapses. Also how long would I need to leave the country for before I came back to Thailand? im in Chiang Mai. Many thanks in advance.
TLDR : Answer Summary
If you have a UK passport and initially entered Thailand under the visa exemption program for one month, you can extend your stay for an additional 30 days at the immigration office for a fee of 1900 baht. After this extension, you must leave the country. You do not need to remain outside of Thailand for any specific period before re-entering; however, you are limited to two 30-day visa exempt entries per calendar year by land. If needed, you can also apply for a single-entry tourist visa at a Thai consulate in a neighboring country.