The tower has diagonal buttresses with offsets and an oversailing embattled parapet with corner pinnacles and with 2 gargoyles on both the north and south sides.
The west window has a pointed Tudor-arched head with hood, an outer casement moulding, and 3 cinquefoiled lights.
The 2 windows of the south aisle each have 3 cinquefoiled lights under a Tudor-arched head.
The east window is of 5 cusped lights under a Tudor-arched head.
The east window contains glass made by Ralph and Richard Assheton in 1869.
Memorials to the Assheton family include a wall tablet to Frances Annabella by Westmacott, with a seated figure in relief.