The nave of the church has five bays, and these are indicated on the streetside wall by large red brick panels with crenellated vertical edges and separated by thinner recessed panels in stone. Each bay has a parabolic window at the top, and sits on a stone plinth with a very low archway over a slit window lighting the crypt.

The presbytery is marked by another zone of vertical pilasters in the same style as appears on the entrance frontage.