As a live music venue Y Plas has a capacity of 1000 or 1200. It can be accessed via the steps at the front of the Union on Park Place. It is also where our clubnights take place with the addition of two other rooms. Y Plas has one large bar in the main room, a smaller bar on the mezzanine balcony and two bars in the other adjoining rooms. There is also a cloakroom in the back room.