North aisle circa 1536, North chapel 1531-4, church restored circa 1820-1, clerestory added, chancel altered and vestry added 1858 and 1870.
Crenellated 3-stage tower, diagonal buttresses, gargoyles, 2-light louvred bell openings, clock face West front, 3-light West window, moulded arched West door, octagonal crenellated stair turret North-west corner.
2-light window West end of South aisle, similar 2-light in outer bays flanking 2 gabled projections lit by quatrefoil openings, 2-light East end of aisle with C13 hexagonal coffin lid with raised cross inset to South, trefoil headed lancet lighting rood loft, C19 arched door and 2-light window to vestry, lancet to chancel and 3-light East window also C19, 4-light cinquefoil headed hollow chamfered mullioned window under hood mould East end of chapel, stepped buttresses to East and North fronts, North front similar 3- and 2-light mullioned windows with 4-light windows flanking gabled single storey porch, moulded arched entrance, open wagon roof, moulded 4-centred arch doorway, C19 decorative spandrels, C19 door, 3-light window West end North aisle.
Victorian open timber roofs, except for C16 wagon roof vault in South aisle.
Norman style 2-light clerestory windows to nave.
Recesses with rib vaulting and corbel heads in South aisle containing effigies presumed to be of Sir John Ralegh and his first wife Maud, mid C14,
the other a chain mail knight of circa 1260, reset C19.
Tomb slab in South aisle to John Trevelyan, died 1623.
Large tomb slab resting against wall in west tower to Richard Musgrave, died 1686, fine lettering.
Screen to West end dated 1848, gallery above with sore reset C16 panelling.
4 bay rood screen, late C15 restored C19.
Some C16 bench ends reset.
C17 stained glass.