Austin T-rex Divine yes. It doesn't extend your stay though. If you extended the visa exempt entry for 30 days for instance until say the 14th July, bought a reentry permit on say the 1st July and left the country. When you returned on say 5th July you will still only be stamped back in until the 14th July.
From the London website. Only single entry visas possible now
Non-Immigrant Type O (single entry only)
For dependent child (age below 20 years): A copy of birth certificate, a copy each of employment letter, passport and visa of the parent who is going to work in Thailand, and a copy of registration of the company or organisation where the parent will work
For accompanying spouse : A copy of marriage certificate, a copy each of employment letter, passport and visa of the leading spouse, and a copy of registration of the company or organisation where the spouse will work
For accompanying a Thai spouse : A copy of marriage certificate, a copy of Thai passport/a copy of Thai ID of spouse, and (3 months bank statement showing monthly income of more than £1,500.)
For accompanying a Thai child : A copy of Thai birth certificate, a copy of the Thai child's passport/Thai ID, a copy of marriage certificate to a Thai spouse or divorce paper/child custody paper (in case of divorce), and (3 months bank statement showing monthly income of more than £1,500.)
For working at an NGO/volunteer work : An official recommendation letter or employment letter from NGO or organisation which undertakes volunteer work in Thailand, registration document of NGO or volunteer organisation
For pensioner (aged 50 or over) : A copy of pension statement if the applicant is a pensioner, or a copy of 1-month bank statement showing your income from pension, or 3-month bank statement of at least £10,000
Those who wish to stay longer must file an application for permission at the Office of Immigration Bureau (
******************************
The extension of stay as well as the change of certain type of visa is solely at the discretion of the Immigration officer.
Yes, all visas being applied for in London need to be applied for online for UK and Irish passport holders. Other nationals still apply direct to the Embassy