 The Bath stone building has rooms arranged in a U shape . There are four main function rooms in the complex : the 100 @-@ foot @-@ long ( 30 m ) ballroom — the largest Georgian interior in Bath ; the tea room ; the card room ; and the <unk> . The rooms have <unk> crystal chandeliers and are decorated with fine art . In the 20th century they were used as a cinema and in 1931 were taken over by the Society for the Protection of Ancient Buildings and restored . They were bombed and burnt out during the Second World War , with restoration undertaken by Sir Albert Richardson before reopening in 1963 . They are now owned by the National Trust and operated by Bath and North East Somerset Council for public functions . The basement of the building provides a home to the Fashion Museum . 
