C16 east window of 4 lights with mullions and transoms.
Interior: nave has C14 double-chamfered pointed chancel arch on moulded capitals with rosettes and stylised fig leaves.
West wall bears a memorial to John Newton erected by his widow Jane and giving old style and new style dates together with some verses previously written by the deceased and his wife.
To the south, a memorial to their children 1735.
Large collection of inscribed and architectural fragments. 'The chancel of the Church of Saint Martin is scheduled as an Ancient Monument.