One of the most significant buildings is the Adelaide University Union complex which was built in stages from 1967 to 1975. It received an Award of Merit from the RAIA in 1974 and a Civic Trust Award in 1975. Union House is a large five level red brick and concrete building with exposed brickwork and timber detailing. It has several entrances, balconies and terraces connecting it to the multiple levels of the University site. The building embraces a diversity of functions with space for a bookshop, shops, refectories, a cinema, theatre, gallery and offices.