44744b55__News___Solictors___Findlaw_UK__Length_of_stay_allowed
[Type of course] Course to prepare for study (known as pre-sessional) [Length of course] Less than six months [Length of stay allowed] 
The full length of the course plus one month after the end of the course
Immigration 101: Adult Student Visas - How Long Can I Stay? (#38) - Find Laws, Legal Information, News & Solictors - Findlaw UK
Length of stay allowed