In 1863, the theatre closed for extensive alterations and improvements by C. J. Phipps, who was later the architect of the Savoy Theatre (1881), the Lyric Theatre, Shaftesbury Avenue (1888), Her Majesty's Theatre (1897) and many others. The capacity of the theatre was at this time 889.
In 1863, the theatre ceased for extensive modifications by C. J. Phipps, who would later design the Savoy Theatre (1881), the Lyric Theatre, Shaftesbury Avenue (1888), Her Majesty's Theatre (1897) and many other buildings. The theatre’s capacity was 889 at that time.