Former Vivian locomotive shed

A narrow, single-storey building, one bay deep and nine bays long. The shed is constructed of red and grey brick, with a metal truss roof. There are nine saw tooth gables providing north-facing rooflights with ventilators at their centres. Each gable has a circular ventilation window with red brick dressings. The bays are divided into panels of grey bricks (made at the copperworks), with a plinth, piers, corbelled string course and gable cornices of red brick. White glazed bricks in seven panels pick out letters more than a metre high to refer to the function of the building as Vivian and Son engine shed: 'V & S Ltd No1 SHED'. There are wide square openings at either end, formerly with wooden doors, for access by locomotives.

The interior is open for its full length and wide enough for one railway track. There are remains of timber dividers placed laterally in the roof gables to carry steam from the locomotives to the central parts of the roof for ventilating. A service pit runs the length of the building in the centre of the floor.