Extended Student Visitor visa for English language students.
As a trial, the UK Government has announced an extended student visitor visa for students coming to the UK to study English language courses exclusively for up to 11 months. English language students will be able to apply for this visa from 10 January 2011. All students wanting to enter the UK on an Extended Student Visitor visa must apply for this in advance of travel to the UK. The fee for the Extended Student Visitor visa is the same as the Student Visitor visa. Please see the student visitor fee given on the visa application fee page of this website. For further information on the Extended Student Visitor visa please visit the UK Border Agency website.
Source: VFS Thailand