Rendered chancel has a large 3-light east window, originally C14 but altered to have a 4-centred arch with Perpendicular tracery
Wide C14 south aisle, with a moulded parapet, has a fine 3-light east window with flowing tracery and, to south, 2 early C14 windows of 2 lights below quatrefoils and a 3-light Perpendicular window with a shallow triangular arch
the C14 porch has an outer arch with continuous moulding, and shelters a more elaborately moulded south door below a C15 panel containing 3 image niches (identical to one in the same position at Charlton-on-Otmoor). The north side of the nave has 2-light C14 windows, re-set following the demolition of the north aisle
Interior: chancel has, to south, a fine C14 triple-sedilia and piscina with cusped ogee canopies and crocketted pinnacles, plus a matching canopied recess to north
4-bay early C14 nave arcade has octagonal piers and round capitals with arches of 2 chamfered orders and head stops
The C13 tower arch is of 2 unchamfered orders
The south aisle contains a C14 sedile and piscina, elaborate image niches flanking the east window with double-cusped canopies, and a canopied holy water stoup by the south door
Monuments include a large marble wall monument to John Doyley (died 1593) with kneeling figures in a Renaissance arched recess, and a painted monument with Tuscan columns, obelisk finials and mutilated strapwork cresting to Elizabeth Poole (died 1621). Also in the chancel are various C17 and C18 memorials, mostly ledgers, to members of the Harrington family, and, in the tower, several small late C17 and early C18 wall monuments to members of the Vaughan family