sentences:  The official capacity of the hall is now 2,075.From 2007 to 2009, the Colston Hall underwent extensive refurbishment with the construction of a new foyer alongside the present building by Willmott Dixon, topped by a wind turbine.As part of the redevelopment, the old bar area (called the "Little Theatre" or "Lesser Colston Hall") became a performance space called "The Lantern".