The cathedral's interior is decorated in a Gothic Revival style expressing a high church liturgy.

The walls are of white rendered plaster with Oregon roof buttressing.

Above the sanctuary is the "great western window" depicting the Sermon on the Mount and several other windows include St Paul's vision of the Macedonian[2] and the diocese's coat of arms line the nave.

The cathedral's pipe organ was built in 1882 by George Fincham and was restored in 1981.

The dean is the chief resident cleric of a cathedral or other collegiate church and the head of the chapter of canons.