The James Parsons Building is the single largest building belonging to Liverpool John Moores University in Liverpool, England. It is located at LJMU's Byrom Street City Campus and built in 1960 as part of Liverpool Polytechnic. Later additions were made in 1966 and 1970, although extensive modernisation is taking place internally and externally as of 2010. The James Parsons Building has a gross floor area of 29,833 m² (321,120 sq ft) and at its tallest is 13 storeys high.