Square flat-roofed north porch with Tudor-arched doorway and C20 double doors, plain parapet, aisle has 4-light Perpendicular window to right and three 4-light to left of porch, parapet with pierced triangles, clerestory has four late C14 three-light windows, parapet with cusped lozenges
Chancel east window blocked 1937, south window late C14, coped verge with cross finial
West window of south aisle is reset C15, north aisle has 4-light Perpendicular window
Three-stage tower with diagonal buttresses carried up to clasping buttresses, moulded plinth, blocked west doorway, C19 square-headed window over, pointed south doorway, middle stage has 1848 gilded clockface, bellstage has 2-light Perpendicular windows with pierced wooden louvres, battlemented parapet with gargoyles
Interior: Porch has C19 double chamfered Tudor-arched doorway with double doors, fragments of reset C15 mouldings in side walls
Nave has C19 four-bay ribbed ceiling on gilded angel corbels
Early C14 north arcade of 3 1/2 bays
Double chamfered chancel arch with evidence of former rood loft, including narrow chamfered doorway high up on south side, 1877 stone pulpit and dwarf wall across arch, C19 three-bay arch-braced collar roof with cusped windbracing, 1877 organ chamber to right through moulded archway with C19 ogee doorway and aumbry to left
North chapel has large monument with canopied niches and Perpendicular blind tracery
also various C17 and C18 floor tablets to members of Stourton family
north window has some late C15 stained glass
Other fittings: 1877 pews, Hoare family pew on south side of nave has 1840s seating and panelled dado and fireplace on south wall, C20 brasses and plaques to Hoare family
Monuments in the south aisle to Hoare family reset here in C19
fine marble monument against south wall to Henry Hoare died 1785, creator of Stourhead Gardens, signed by C. Harris, 1789, another on east wall to Henry Hoare died 1724 with broken pediment, corinthian columns and flanking urns
White marble monument to Hester Hoare died 1785 with inscription recording its erection by Richard colt Hoare who died 1838