C15 nave, south aisle, west tower.
Stone rubble with granite dressings and slate roof with C19 ridge tiles, some C19 freestone dressings.
The 3 easternmost roof bays of the south chancel chapel are probably C16 and the chapel may have been extended eastwards at this date.
C15 granite Perpendicular east window has Y tracery in a moulded architrave with a hoodmould.
C16 Perpendicular 3-light uncusped granite east window to the south aisle with hoodmould.
Between them is a chamfered, stopped granite priest's door with an almost flat arch, probably also C16.
The 2 westernmost aisle windows are 3-light freestone C19 Perpendicular windows with hoodmoulds and carved label stops and probably date from 1874.
There is one buttress with set-offs and no window to the easternmost bay or to the west end to allow for some grand C18 monuments which were re-sited in the aisle by Scott.
The east window is a 3-light C19 granite Perpendicular window with a moulded architrave, hoodmould and carved label stops.
The easternmost and westernmost windows of the aisle are 3-light freestone C19 windows with moulded architraves, hoodmoulds and carved label stops.
Between them Scott appears to have incorporated an early C19 2-light freestone cusped window with a moulded architrave, probably to preserve the commemorative glass.
The west face has a moulded arched granite doorway with carved spandrels in a square-headed architrave
The nave roof has some C19 repair including a replaced wall plate with C19 demi-angels and some C19 painting.
The south aisle roof is largely unrestored except for a part of the wall plate and similar C19 demi-angels.
The chancel roof is wholly 1874 with angels standing on the corbels at wall plate level and enriched painting above the altar.
The north aisle roof is a C19 version of the medieval south aisle roof.
The central 5 panels consist of a carved cross in the middle flanked by the symbols of the evangelists within quatrefoils.
On the south side of the chancel is a C19 moulded arched granite aumbrey above a piscina adjoining an arched sedilia with shields carved in the spandrels.
A second C19 aumbry with carved spandrels is on the north wall.
Fixed to the west end of the north aisle is a large Baroque monument to Christopher Harris of Hayne, buried 1718, Mary Harris his wife, died 1726 and their 2 infant children, all in white and grey marble.
Freestanding 3/4 size figures of the husband and wife stand on a large chest with a moulded plinth and cornice.
A contemporary wrought iron grate surrounds the monument which is set within a blind arch of 1874 which acts as a frame.
On the north wall of the north aisle is a wall monument to John Harris of Hayne, died 1770 and Margaret, his wife.
A triangular shaped monument with a wide inscription panel below a narrower panel containing 2 portrait medallions.
The 1874 woodwork is some of the finest in the county of Devon with a full set of rectangular bench ends with foliage and figure designs modelled on early C16 precedents, fine choir stalls with blind traceried panels divided by blind traceried stiles, an ogee headed font cover with crockets and pinnacles and an 8-sided drum pulpit on a stone wine glass stem.
The pulpit has crocketted ogee arches in the panels with shields carved below and applied pinnacles between the panels.
A 3-bay screen fills the tower arch, possibly inspired by the medieval screen at Marystow (qv).
Contemporary timber lectern.