How long can British citizens stay in Thailand?

30 days visa-free. Since 15 Sep 2026: 30 days visa-free per entry for tourism; immigration may extend once by up to 30 days. The Thai Embassy London says the exemption can be used only twice per calendar year (other embassies say land entries only), so plan a visa for more trips. Submit the TDAC before each entry.

Checked against official sources ·
How long
30 days visa-free

Per entry, set at the border.

Tax residency
180 days

Counted in a calendar year.

The rule for British citizens

Since 15 Sep 2026: 30 days visa-free per entry for tourism; immigration may extend once by up to 30 days. The Thai Embassy London says the exemption can be used only twice per calendar year (other embassies say land entries only), so plan a visa for more trips. Submit the TDAC before each entry.

Don’t count your days in Thailand by handNoverstay logs the country you’re in and tells you your leave-by date.

Your days, with an example

Arrive on Sun 1 November 2026 and day 30 is Mon 30 November 2026. The day you arrive counts as day 1. The border officer can give you less, so check the date stamped or recorded when you arrive.

Staying longer

You become tax resident in Thailand after 180 days in a calendar year. Resident if you are in Thailand 180 days or more in a calendar year (separate stays add up). Residents are taxed on foreign income brought into Thailand.

Other passports

PassportStay
EU, EEA or Swiss passport30 days visa-free
US passport30 days visa-free
Indian passport30 days visa-free

All the details: Thailand rules for every passport.

Questions

Do British citizens need a visa for Thailand?

Not for a short stay. Since 15 Sep 2026: 30 days visa-free per entry for tourism; immigration may extend once by up to 30 days. The Thai Embassy London says the exemption can be used only twice per calendar year (other embassies say land entries only), so plan a visa for more trips. Submit the TDAC before each entry.

How long can British citizens stay in Thailand?

30 days visa-free. Since 15 Sep 2026: 30 days visa-free per entry for tourism; immigration may extend once by up to 30 days. The Thai Embassy London says the exemption can be used only twice per calendar year (other embassies say land entries only), so plan a visa for more trips. Submit the TDAC before each entry.

When do British citizens become tax resident in Thailand?

You become tax resident in Thailand after 180 days in a calendar year. Resident if you are in Thailand 180 days or more in a calendar year (separate stays add up). Residents are taxed on foreign income brought into Thailand.

Can Noverstay count my days in Thailand?

Yes. The app logs the country you’re in each day and reminds you before your Thailand limit. Only the country, city and date are stored.

Official sources

Rules change often. This page is not legal or tax advice. Check the official source before you travel.