Downham Market Signal Box

Downham Market Signal Box is a signal box built for the Great Eastern Railway in 1881. It has a timber construction and a slate roof covering. The signal box is located to the south of the station, on the west side of the railway tracks, and has a rectangular plan.

The exterior features a pitched roof with exposed rafters at the eaves. The bargeboards on the north gable end are notched, while those on the south end are plain. It sits on a brick plinth and is clad in horizontal timber painted in green and yellow. The locking room is lit on the east side by a group of three original horizontal, four-light windows with vertical glazing bars and is accessed from the north side through an original timber door. The upper operating room is illuminated on three sides by large original sliding windows with vertical timber glazing bars, including five four-light windows on the east side and three three-light windows on the north and south sides. Access to this room is via a timber staircase on the north side, through a timber door with a glazed upper panel that is not original.

Inside, the signal box retains its 1881 Saxby & Farmer rocker frame. A false ceiling has been added, and secondary glazing has been fitted.