English Cathedrals - South Door Lichfield - Arched south door with statuary above. Part of Box 144 Boswell Collection - English Cathedrals The Cathedral is dedicated to St Chad and Saint Mary. Its internal length is 113 metres (370 feet), and the breadth of the nave is 21m (68'). The central spire is 77m (252') high and the western spires are about 58m (190') The stone is sandstone and came from a quarry on the south side of Lichfield.