Bridlington South Signal Box

Signal box, North Eastern Railway Type S1a, built in 1893 with some later alterations.

The building is constructed of red brick in Sussex bond, used for both the locking room and cabin. It is a rectangular two-storey structure on a ten-bay plan, raised on a brick plinth and situated to the south-west of Bridlington Station. The roof is hipped Welsh slate with orange ridge tiles and plain timber bargeboards. Secondary uPVC double glazing has been added to the cabin, while the locking room retains cast-iron round arch windows. Galvanised-steel stairs and landing provide access.

The exterior features a bull-nosed ashlar string course at first-floor level. The locking room is accessed by a four-panelled timber door in the south-west gable wall and is lit primarily by seven nine-light cast-iron windows with glazed semi-circular fanlights on the south-east elevation, all with painted sills and set beneath round arched brick lintels. A similar window lights the locking room in the north-east gable. Several openings for signal cables and point rods are positioned towards the centre of the plinth of the main elevation. The north and west rear corners have projecting brick corbel plinths supporting brick piers forming the first-floor corners of the rear north-west elevation. This rear wall is blind and has two projecting chimney stacks that rise to the eaves but no longer extend beyond the roof line. The cabin is reached by a secondary galvanised steel stair and landing built against the south-west gable wall and entered by a narrow six-light half-glazed uPVC door. Narrow framed painted timber nameboards with relief lettering reading BRIDLINGTON SOUTH are positioned over the windows in both gables, situated beneath cogged brick eaves courses. The main elevation is occupied by 19 nine-light uPVC windows divided by uprights, with three similar windows in the north-east elevation and two flanking the operating room door. Four of the windows are bottom-hung casements guarded by pairs of galvanised tube rails. A timber signalman's balcony supported by a pair of timber brackets is situated in a roughly central position in the main elevation and is accessed by a similar narrow door to that of the operating room. The gabled roof has plain timber bargeboards to the gables; roof verges extend beyond the wall line with painted soffits and truss ends, and drainage is provided by plastic rainwater goods.

The first-floor operations room is divided in two by a timber and glazed partition wall. All lever frames have been removed from the southern room, and an internal signalman's water closet cubicle projects against the partition wall. A chimney breast with bricked-up fire grates projects from the rear wall into each room. The southern room has modern domestic fittings. The northern room is equipped with a 65-lever McKenzie and Holland No 16-pattern lever frame with five-inch pitch positioned against the front elevation. Curved pierced cast-iron brackets rising from the lever frame support the block shelf above, which carries block instruments, block bells, repeaters, and a CCTV monitor. A track circuit diagram is suspended from the ceiling above. A glazed timber relay cabinet is situated against the rear wall, along with a timber train register table. A cast-iron signal wire tensioner is positioned adjacent to the door to the signalman's balcony. Windows are set in frames with moulded timber architraves. The bases of the roof trusses are exposed in the ceiling with plastered panels between. The room is lit by modern fluorescent lighting.

The ground-floor locking room is entered through a four-panelled timber door in the south-west gable wall. It has a concrete floor against the rear wall with an open duct against the front wall. The rear wall has two projecting chimney breasts with small fire grates. The northern area has timber sleeper flooring laid over the duct, and part of the front wall has pier and panel construction. The structure has transverse cast-iron panelled tie-beams set at shoulder height, marked in relief with the inscription: McKENZIE & HOLLAND / PATENT / SIGNAL ENGINEERS / WORCESTER . ENGLAND. The mechanical locking frame occupies approximately half the length of the locking room and is supported on cast-iron brackets projecting from the front wall. Signal cables descend to the floor using pulley blocks and exit through holes in the south-east wall; cranked point rodding exits similarly. Electrical signalling relay switch boxes and associated cabling are also situated beneath the lever frame.