BUBT has common room facilities for the use of students and employees outside class hours. The University has separate male and female common rooms in both the campuses. All the air-conditioned common rooms are well furnished with sufficient equipment and furniture which have created hospitable environment for its users. These rooms have rest and other facilities during the break time. Moreover, the common rooms have newspapers facilities and arrangements of different indoor games as well. In Permanent campus the male common room is situated in 1st floor beside the cafeteria whereas, room no. 311 is used as the female common room. Besides, in campus-2, the male common room is also situated on the 1st floor beside the cafeteria and the female common room is in room no. 202.