It contains older single study bedrooms, where each apartment accommodates 14 people.
The houses can accommodate between 30 and 52 students in modern, well-furnished single or double study bedrooms.
Over the years these buildings have been modernised and study bedrooms introduced.
The Williamson building was built in the early 1960s and is mainly an accommodation block with 110 study bedrooms.
These range from 9pm to 11pm when seniors are expected to be in their study bedrooms.
All study bedrooms share a fully fitted kitchen, heated pool and living area.
These days it houses 195 students in single study bedrooms.
Norris House was redeveloped in 2003, creating new study bedrooms.
Alban hall of residence has 94 large single study bedrooms and one twin room.
The university has two halls of residence with 700 single study bedrooms.