rebuilt in mid/late C13
early C17 clerestory, Spencer chapel and south-west tower of 1611 and south porch of 1616 for Sir Thomas Spencer of Yarnton Manor
Late C13 cinquefoiled 3-light east window
partly restored C15 Perpendicular 3-light window with panel tracery to west
label mould over early C17 two-light hollow-moulded round-arched clerestory window
South side of nave: label mould over plain C14 two-light window
restored C13 lancets
2 similar early C17 clerestory windows
early C17 porch has shallow chamfered arch over C17 studded door
Early C17 four-storey tower: 3-light Perpendicular window with panel tracery to west
stair-turret to south has steps to C17 studded door
label moulds over C17 hollow-moulded rounded-arched window and similar 2-light windows
Interior: chancel has fine C15 Nottingham alabaster reredos depicting Adoration of the Magi, The Betrayal, Christ carrying the Cross and Pieta
Mid C13 chancel arch of 3 orders with hollow-chamfered arches and triple shafts
fine early C17 panelled stalls with ball poppyheads, and early C17 seats with panelled backs set on turned legs and with ventilated vestment cupboards beneath seats
C15 bench ends with poppyheads to west ends of nave and south aisle and late C18 box pews to east of south aisle
screen to tower made in 1854 from Jacobean panels and carved strapwork and balusters
early C17 four-bay roofs with arch-braced moulded tie-beam trusses with moulded beams
Late C13 four-bay south arcade with double chamfered arches set on round piers
Porch has early C17 moulded plaster cornice with lions' masks and unicorns to frieze, with fleur-de-lys, and rampant lions on shields beneath
Wall paintings: C15 fragments over chancel arch, including Nativity
Spencer Chapel Monuments: large monumental memorial by Jasper Hollemans for Sir William Spencer, d.1609, and wife has, Spencer griffin and crest flanked by obelisks surmounting Corinthian columns which frame recumbent effigies set in elaborately carved arch with figures of children below and rich Flemish carving throughout
Oval wall tablet to Jane Spencer, d. 1689, framed by finely carved festoons of flowers
Stained glass: chancel has much C15 stained glass, mostly donated in early C19 and including cherubims and birds, and C17 and C18 Flemish glass in north-west window
Spencer Chapel has "largest collection in the country of early C17 armorial glass"