Chesham Underground Station including water tower to south and signal box to south-east

Underground railway station, opened 1889.

MATERIALS: Entrance building of stock brick with Welsh slate roof; platform canopy with cast-iron columns and timber valancing.

PLAN: L-shaped entrance building with booking hall in short return section to north and offices, waiting room and toilets in longer arm to south. Single canopied platform.

EXTERIOR: Entrance building's short façade to station forecourt has two cross-casement windows with moulded stone heads and cills, flanking central doorway set beneath an off-centre canopy supported on two timber posts with curved braces (the middle post has been removed). Low hipped roof with two brick stacks. Single platform with four-bay canopy, the latter comprising a ridge-and-furrow roof supported on cast-iron columns and decorative openwork spandrel-brackets.

INTERIORS: Booking hall has original fireplace, cornice and matchboard panelling, vertical to dado height and horizontal above. Waiting room has modern tiles below dado but original boarding and cornice above. Original boarded partitions in gents' toilets.

SUBSIDIARY FEATURES: Square brick water tower to south, treated as a Classical composition with keystone relieving arches and dentil course, surmounted by a large iron tank. Timber signal box on brick base opposite platform, with curved eaves brackets and hipped slate roof.