the stained glass in the windows of the south side of the nave and the apse, and the mosaics in the blank on the north side of the nave were designed by frederic shields. these were commissioned in 1876 and made by heaton, butler and bayne. the two-manual organ is in an alcove on the south side of the chancel. it was built in 1870–71 by charles whitley of chester and is still in good working order. the clock tower contains a carillon of 28 bells which were cast by chavalier severian van aerschodt of louvain; it plays 31 tunes. the clock was manufactured by gillet's of croydon.