Evidence of large C11 squared coursed blocks and later regular coursed rubble
Gables of south chapel and chancel are flush, with a central gargoyle
Lean-to roof with plain ashlar parapet and remains of gargoyles to far left and right
Interior: late C15 two bay nave arcade of Perpendicular double-chamfered arches
Stained glass: Cl9 and early C20 stained glass to chancel east and south windows
C19 wall tablet to south wall of chancel, Lady Margret Beaufort may have been responsible for the late C15 south chapel (Countess of Richmond, who lived at Collyweston Palace). Buildings of England:Northamptonshire: p154
RCHM: An Inventory of Architectural Monuments in North Narthamptonshire: p31)