The 5-bay north aisle has a plinth with moulded coping, a buttress between the 1st and 2nd bays, a Tudor- arched doorway between the 4th and 5th bays with 2 orders of moulding in a square-headed moulded surround with a hoodmould, 5 Tudor-arched mullioned windows each of 4 pointed arched lights with cavetto mullions, hollow spandrels, surround moulded in 2 orders, and hoodmould curved round the head
to the left of that in the 1st bay is an earlier and smaller window with a flat Tudor-arched head, 4 trefoil lights, moulded surround, and simple hoodmould
the added south aisle has large 5-light traceried east and west windows, and its south side has a gabled porch to the 1st bay with 4- centred arched doorway incorporating C15 semi-octagonal jambs with brattished caps, a sundial over the door lettered "Hora Pars Vitae" and dated 1793, and 4 windows each of 3 cinquefoil lights with Perpendicular tracery in the head.
Interior: 7-bay arcades to nave and chancel with Cornish piers, horizontal carved leaves on the caps, and 4-centred arches with cavetto and roll moulding (imitated by the added aisle)
several fine wall monuments, esp.
in tower, large painted panels including Charles I 1643 letter to the County of Cornwall