the floor by black and white marble, re-flooring of the nave, painting the walls, and replacing the pine benches by oak pews. In 1924 the Diocese of Lancaster was created and the church was elevated to the status of a cathedral. The cathedra (bishop's throne) was placed in the chancel. When the centenary was celebrated in 1959, the pipe organ was refurbished, and the painted Stations of the Cross were replaced by a set of carvings. Since then, there have been further minor changes to the interior of the cathedral, and in 1995 the east end was reordered by Francis Roberts. Architecture Exterior The cathedral is constructed in sandstone ashlar, with roofs of slate, other than the baptistry which is roofed in copper. The architectural style is Gothic Revival. Its plan consists of a five-bay nave with a clerestory, aisles and transepts, a two-bay chancel with aisles, side chapels, and a semi-octagonal apse. The steeple stands at the northeast corner, and the octagonal baptistry is attached to the north transept. The steeple consists of a tower with a spire rising to a height of . The tower is in four stages that are separated by string courses, and it has a stair turret at the northwest corner. On the west side of the bottom stage of the tower is a gabled north porch, above which is a canopied niche containing a statue of St Peter, and a three-light window. On each side of the second stage is a row of six arches, the central two arches containing windows, and on each side of the third stage is a small window. The top stage contains paired bell openings, and at the corner of the parapet are pinnacles. The spire is recessed, and has three tiers of lucarnes. At the west end of the church is a doorway, above which is a five-light window containing Geometric tracery. Along the sides of the aisles are three-light windows with Decorated tracery. In the north transept is a four-light window with Geometric tracery, and the south transept contains a ten-light wheel window surrounded by ten circular windows. In the apse are three-light windows containing decorated tracery. Interior Inside the cathedral are six-bay north and south arcades, and a west gallery carried on marble piers. Along the sides are chapels and confessionals. The Lady Chapel is at the northeast of the cathedral. The former sanctuary has