sentences:  During recent decades, new buildings were added that contravened the master plan of Spence, such as the Synthetic Chemistry Building and Mountbatten Building (the latter of which was destroyed by fire in 2005).In 1991, the Highfield Planning Group was formed within the university under the chairmanship of Tim Holt.This led to the development of new buildings such as the Jubilee Sports Hall, Student Services Building and the Institute of Sound and Vibration Research.