The C15 Perpendicular tower of two tall stages was diagonal buttresses, west door, restored Perpendicular west window of 3 lights and 2-over-2-light bell chamber openings.
Restored crenellated parapet with gargoyles and tall corner pinnacles.
The east end is raised and the north chapel is separated from the chancel by the 2-bay C13 arcade.
Glass in one of the north chapel lancets, of 1867, is attributed to William Morris's firm (Pevsner).
The west window glass is Pre-Raphaelite in character, was designed by Roddam Spencer Stanhope and shows three figures of the Cardinal Virtues: Faith, Hope and Charity.
Several monuments in the north chapel to the Spencer family of Cannon Hall.
On the north wall a large memorial with 2 child supporters and a serpent issuing from the eye of a skull and a plaque reading "The sting of life is sin".
Over the south door of the south chapel is a memorial with 2 child supporters, to Richard Green and other members of the Green family 1723 and 1733, of Banks Hall.
There are 2 fonts the earliest, mid Cl1 (Ryder), is square with cable moulding at the edges.
The bowl has raised figures on each of its outer faces.
N Pevsner, The Buildings of England, 1967 P F Ryder, Saxon Churches in South Yorkshire, South Yorkshire Archaeological Service, 1970 N Moxon, The Parish Church of All Saints, Cawthorne (Official Guide), 1970