North wall of nave partly rebuilt, C19 resetting of C15 Perpendicular granite 3 light window west of transept and inserted C19 Perpendicular style window east of Transept.
North transept has straight joint to nave and is later but probably C15 with C19 cusped headed windows.
East wall of south aisle does not align with chancel and has C15 Perpendicular granite window with monolithic jambs.
Other bays have C15 granite 3 light Perpendicular windows.
Three stage west tower is reputed to be C14 (Pevsner and Church guide) and has inscribed date 1326 in belfry but the building displays no architectural evidence for this.
Moulded round headed granite doorframe with hoodmould and relieving arch is probably C15, as is outer frame of window over.
Gargoyles over second string resolve the junction.
Interior has granite near- semi -circular arched arcade standard A type (Pevsner) piers of 6 bays between nave and chancel and south aisle, with further C15 arch to transept.
Roofs are C19 and arch braced over heavy wallplates with shields and baliflower carvings to nave and south aisle and incorporating carved wood from old wagon roofs in porch and transept.
Evidence for fitting of rood screen but nothing survives.
Lively patterns of clear, red, blue, yellow and green glass in windows dedicated to eminent parishioners of 1840s to 1860s.
carved oak from old root in reredos panel in chancel and cut into blocks between muntin of modern glazed screen to transept
serpentine pulpit and slate chest tomb slab with hands holding foliage against south wall to William, son of James Hankey 1705.
Monuments on south wall to Samuel Thomas of Tregolls 1796 with carved figures in romantic dress signed by Bacon and to Rear Admiral Robert Carthew Reynolds 1811 with 3 sailors in period costume, sinking ship, anchor and medallion against sunburst over, all within tapered slab.