Did you miss out on tickets? Join the Waitlist now to be informed when new shows are confirmed. Address: Bath Forum, 1a Forum Buildings, Bath, BA1 1UG. The Forum is a 1,620 capacity venue in Bath, Somerset. A Grade II listed building, it was originally used as an art deco cinema, then later a bingo hall and dance school. Now, it's one of the area's most prominent music and comedy venues.