extended C15, repaired c.1700 and restored 1864-1867 by T.H.Wyatt.
Chapel without the parapet and with diagonal buttress with reset carving of two heads and depressed arched Perpendicular south window and three-light east window with gable light and restored gable cross over.
C19 chancel east window, large lancets to north and south and north door with the arms of Rev. Stephen Bate, rector 1679-1724, who rebuilt the north aisle and added the vestry c.1700, the scrolled kneelers carrying the nave gables are of this date
C15 clerestorey , four three-light Perpendicular windows to each side.
Reset C14 ogee headed reticulated east window to aisle, north wall with plinth, regular buttresses and Perpendicular style fenestration.
C14 ogee headed aisle west window.
Chancel arch C19 with doubled roll mouldings to arch on angel corbels.
Fittings: ogee headed cinque-cusped piscina in chancel and oddly shaped wall recess with some stylised flower ornament The two external vices in the south wall mark the unusual feature of two rood screens, that to the east probably abandoned because of subsidence in passage through chancel arch pier.
Alice Sampson lived at Elphicks in Horsmonden and signed her will in October 1508.
hollow octagonal stem and bowl enriched with shields and roses, Brass 'spider' chandelier in nave with eight scrolled arms, the orb inscribed: TO THIS PARISH OF HORSMONDEAN/ THE GIFT OF STEPHEN BATE/ RECTOR, AMMO 1703 Unexceptional C19 fittings otherwise.
Small brow inscription to her husband John Austen, d.1620 reset on nave west wall.
John Read, the inventor of the stomach pump, d.1847, a wall monument with a bust set an a pedestal inscribed: Integrity.
C19 glass except rust and west windows by Rosemary Everett, 1946 and 1948.