South aisle, mid C15 clerestoried nave roof, North aisle, South porch, circa 1820 vestry added, West door became main entrance 1821, 1883-4 North and South aisles extended one bay, former linked to vestry by organ chamber, West gallery removed, church reseated and refitted, 1957 church redecorated, 1966 South chapel restored.
8 cinquefoil headed 3-light clerestorey windows, crenellated South aisle, 2-light West window, South front blue lias tablet to Anna Musgrave, died 1709, with Ham stone cherub console, 2-light window left of single storey crenellated porch with gabled centre filled with sundial inscribed Timothy Lock(ett) and Will(iam) House 1725, (the donors of 4 pieces of communion plate), string course and gargoyles, diagonal buttresses, moulded arched doorframes, C19 inner door and roof, piscina right, angle corbel over floor, two 2-light windows right between stepped buttresses, end bay unlit with priest's door, more C18 blue lias tablets with good lettering including another carried on Ham stone cherub console, 3-light East window to aisle, 3-light windows to South and East walls of chancel, diagonal buttresses, reset stall 2-light North window, deeply set 3-light window to organ chamber, crenellated North aisle, three 3-light windows between stepped buttresses, rainwater heads dated 1922, 2-light West window.
Interior: whitewashed, fragmentary remains of wall paintings found on jambs of clerestorey windows and on South arcade in 1957 have been covered over.
Chancel C19 arched braced roof, plastered tonopitch aisle roots, fine ribbed wagon roof with bosses in nave, foliage decorated wall plate with angels.
Fittings including pews, font, reredos, pulpit and statue of St Augustine in crocketed niche above, all 1883-4
Late C19 stained glass including East window by Clayton and Bell in memory of the Rev Kingslake 1838-81
West window 4 panels of painted glass signed and dated Grey and Son, 1821, reset from earlier East window.
slate and Deer stone plaque with a bat winged skull to George Musgrave died 1693
slate headstone to William Kingslake, physician, died 1666 with inscription
other C18 monuments and two early C19 ones signed T King of Bath.