Tower and north aisle probably added in later C15
south transept probably remodelled in 1671 (datestone).
Tracery mostly C16 partly restored in C19.
to west of south door, 3-light circa C16 rectangular window with segmental arched openings with slight ogee cusp.
South transept appropriated for use of Buller family with private entrance on west side with 2-centred arch with hoodmould and initials and date 1 B 1671
VT HORA SIC VITA 1671' with floral trail,
3-light possibly C16 east window in rectangular surround with segmental arched openings and slight ogee cusps.
Chancel south window possibly C13 (Pevsner)
North aisle with 5 probably C16 3-light windows in rectangular surrounds with segmental heads, slight ogee cusp and hoodmoulds with stepped buttresses between
3- light west window circa late C16 with 4-centred arch and raised central light.
3-light window above similar to west window in north aisle, top stage with 3-light belfry openings in 4- centred arches with slate louvres, and 2 gargoyles on north face with further gargoyle on south.
5-bay arcade with type A (Pevsner) piers on tall moulded bases with carved capitals and wide 2-centred moulded arcade arches with torus, cavetto and chamfer.
4-centred moulded tower arch on carved corbels.
South transept, appropriated by Buller family with 2 front benches with circa C18 fielded panels, carved on both sides with blind arcade of ogee cusped arches and with central panel with coat of arms.
C17 alms box at west end of nave aisle, royal arms over south door 1801-16 painting on wood.
Memorials
North aisle with monuments to the Mayow family of Bray (qv) with classical monument to Philip Mayow, died 1710 and Frances his daughter who died in 1717, marble with broken freestone pediment and coat of arms
C19 brass monument to Philip Wynell Mayow and members of family, 1844-1895, with good lettering.
west wall with slate ledger stone of Walter Coode, died 1637 with kneeling parents and children allegorically expressed by fruits growing from branches issuing from parents.
East wall of transept with C19 and C20 memorials to the Tremayne, Buller-Kitson and Kitson families.
Sites and Monuments Register, Truro, Cornwall.