The church, for the parish of Quidenham, was listed in 1958 and the listed reference is NGR: TM0284087675 . Flint with ashlar dressings and machine tiled roofs. Early C11 west tower, late C11 nave remodelled late C13, south aisle late C13 rebuilt C19, early C14 chancel restored C19, north transept C19. 2 stage round tower, the lower stage C11. 2-light late C14 Perpendicular west window above remains at triangular-headed Anglo-Saxon window. 4 blocked early C11 ringing chamber windows are circular. String course below late C14 octagonal belfry stage with 2-light restored cusped panel windows, each alternate one blocked with knapped flint. Crenellated parapet with finials. Octagonal plain tiled spire 1857. C19 south aisle of knapped flint, the west window possibly late C13 reset : 2-light with cusped arches supporting cusped triangle under hood with relieving arch. Gabled south porch with diagonal buttresses and reset door arch below sundial. 2-light square side windows. Flushwork buttresses to aisle and 3 2-light Perpendicular windows. 2 chancel south windows 2-light with reticulation units set into substantially C19 masonry. String course above Priest's door. Diagonal east buttresses. 4-light east window with cusped lights and 2 large reticulation units in Y frame with central mouchette. One 2-light reticulated north chancel window. Gabled north transept with diagonal buttresses and 3-light north window. 2 2-light C19 Y windows to nave. Late C11 Norman north door : single order of shafts with volute capitals hinting at waterleaf, and roll moulded arch. Interior. Tall semi-circular tower arch on square imposts, the arch blocked by screen which is portion of C16 rood screen. 4 bay C19 arcade but with late C13 responds east and west : quatrefoil piers with fillets between lobes with moulded bases and capitals. Double hollow chamfered arches. Octagonal font. Boarded scissor braced nave and chancel roofs. C19 chancel arch. C19 arched and cusped sedilia and piscina in chancel with 2 similar niches flanking east window. 3 reused late C11 shafts set into chancel north walls with volute capitals. 2 memorial tablets in north chancel wall to Lord Sandys 1700 (west) and Lady Alathea Sandys 1679 (east). Curved timber Royal Arms over tower arch and poor box on turned shaft dated 1639.