I get a 'reading week' sometime in october, which basically mirrors "Half-term" for schools.
I don't have any lessons during it, but am still on Campus (although could leave), and have work to do.
Then in December I get 2-3 weeks off for Christmas/New Years, and am back quite quick in January.
Then there's another reading week in February, then 2 weeks off in Easter, and then back for a month or two for exams. Probably finish around May/June.