[1] The cathedral is the focal point of a precinct of ecclesiastical buildings on Brent Tor, an elevated location south of central Bunbury.

It has a parapeted clock tower, an undercroft crypt, stained glass memorial windows, and a gabled terracotta tiled roof.

In the middle of the projection, recessed into its alcove, is a stained glass window, also full height; it is decorated with stone tracery in the form of the tree of life.

[3]: 21 On the south side of the western elevation is a south-facing double height main entrance porch framed by a pair of wide brick piers, and gabled.

[1][3]: 21 At its eastern end, on both sides of the tower, the cathedral descends one level, to a wide semi-circular terrace with a concrete retaining wall.