C15 font, octagonal on a nine stemmed foot with figured panels, five with figures of angels, one with a man with a hood and dagger, one with a Pieta and one with a Crucifixion with the Virgin and StJohn
Beneath the chancel a C13 crypt was discovered in 1974, remodelled in the mid C17 as a burial vault for the Pagets, with arcaded niches for upright coffins
North window of 1925-6 by Morris and Co is a Burne Jones design of four figures with angels in the tracery. [See BOE London 3: North West p367.] St Martin's Church and the churchyard walls, the gatehouse and wall to the north, and the wall running to Gatehouse Nurseries form a group.