The plan is rectangular, with a short two-storey transept on each side, and a low block at the east end containing vestries.
A stone band runs round the church between the storeys, and around the top is a frieze and a cornice.
The central two windows in the upper storey are blind, and between them is the free-standing statue of Saint Patrick on a plinth.
[2][3] The statue was moved from the St Patrick Insurance Company building in Dublin in 1827, when it was presented to the church by James Branker, a sugar refiner.
On the east wall above the altar is a large painting of the Crucifixion executed in about 1834 by Nicaise de Keyser of Antwerp.