Circa 1850. Formed part of Francis Thompson's 'Trijunct' Station. Red brick square tower of 4 stages, originally detached but now incorporated with later 5-storey building; ground storey rusticated, with semi-circular headed doorway, pediment above masked by end of later footbridge; moulded stone cornice at 2nd floor; moulded stone eaves cornice; timber lantern with a clock face on each of the 4 sides, pyramidal roof with wind vane in the form of Stephenson's 'Rocket'.