The chapel on the first floor, with stained-glass windows and Rococo plasterwork, has had a varied career as an Assembly Room and a cinema; Charles Dickens also gave readings here.
The chapel was located on the second floor and was only used as a cinema. 
mnli hypothesis: The chapel was located on the second floor and was only used as a cinema.  premise: The chapel on the first floor, with stained-glass windows and Rococo plasterwork, has had a varied career as an Assembly Room and a cinema; Charles Dickens also gave readings here.