the chapel is built in buff sandstone with a grey slate roof. internally the stone is in pink and buff bands. its plan consists of a five-bay nave that is continuous with a three-bay chancel. the chancel terminates with a three-sided apse containing the altar. the chapel is oriented with the altar at the west end. the last bay at the east end constitutes a narthex (ante-chapel) with a gallery. on the south of the chapel is a tower which is free-standing, but joined to the chapel at the lower two storeys, and by a bridge above. at the southeast corner is a staircase turret. on the south side of the nave and in the apse are two-light windows and at the east end behind the gallery is a four-light window. the tower has six stages and contains tall lancet bell-openings. above these is the clock stage, corbelled out from the shaft of the tower and surmounted by pinnacles at each corner. on each side is a clock face made from vitreous enamel; each clock face is in diameter. over this is a spire decorated with gables and pinnacles. the staircase turret is surmounted by a spire.