Small church of C12 origin.
Nave walls raised late C15 with Perpendicular clerestory.
Early Cl5 double chamfered north doorway and 3 late C15 north windows with 4 centred arch heads.
Early C13 west lancet window in slight projection and gabled bellcote above with arched opening.
Chancel rebuilt or enlarged in late C12 and largely rebuilt in 1867-8 with C19 east window with plate tracery.
North wall of chancel has small ogee headed light of C14,
C15 square headed window.
Late C12 south aisle of 2 bays with square headed window with 2 ogee headed lights, and south doorway with zigzag and pellet ornament on the soffit of the lintel with shoulder corbels at either end.
C13 south chapel, largely rebuilt 1867-8 has small reset lancet in east wall, and in south wall, 2 coupled lancets.
East wall has C13 string with dog tooth ornament.
Interior: Norman chancel arch, the capitals have beaded interlace and arch has flat rolls.
Two bay south arcade of circa 1200 with double chamfered round arches, circular pier, moulded capital and square abacus with recessed angles.
Early C12 south chapel with pointed double chamfered arch and semi octagonal responds.
Recumbent lion sculpture, probably Norman, possibly from a portal.
VCH Northants Vol II RCHM (1) page 750