4-bay nave, chancel, north aisle and south transept probably rebuilt in C15.
Arcade of north aisle remodelled in circa 1680.
North aisle with circa C15 Perpendicular tracery comprising four 3-light windows beneath 2-centred arches.
Carved panels at base of angle buttresses.
Opening on east side in second stage with C14 ogee headed light with rectangular hoodmould. above.
Stained original carved bosses of high quality.
North aisle and south transept with circa C19 boarded waggon roof with reused and C19 carved bosses.
Octagonal font of Pentewan stone decorated with quatrefoils.
Fine selection of monuments of high quality.
In chancel, on north wall slate tombchest surmounted by elaborate back plate with painted and gilded figures.
Depicts Francis Buller and wife Thomasine kneeling at prayer desk with carved figures of eight daughters and 4 sons below in flat relief.
Plaques recording repair of monument by John Francis Buller in c1726 and by John Buller of Downes, 1816.
A monument to Francis Buller of Tregarrick (†1615), his wife, and twelve children
Suggested that curious expression on face of figure carved in high relief depicts that of Achym who died of a stroke.
Other monuments to William Harden, 1704
Richard William and Hanna Sawdy, 1663-1677, signed W.S. 1678
Classical monument of Richard Robert of Liskeard and Mary, wife and daughter of Richard Buller of Tregarrick.
Further monuments to the Trelawney family, above the family vault in the south transept.
monument erected to John Trelawney Baronet died 1756 erected by widow Agnes
brass plaque to Edward Trelawney Governor of Jamacia 1738-1752
Signed by Anthonius Collie, 1634
Painted monument of Mary, daughter of Jonah Trelawney, Bishop of Exeter, born and died on same in September 1700.
Decorated with putti, flowers and angels head on scull.
Earliest surviving dated 1613.
Two others 1683 and 1773.
Further bell of 1683 recast in 1910 when others restored.
One was marked Jonathan Trelawney, U.B, T.G., I.M.P. 1683.
Pevsner, N and Radcliffe, E The Buildings of England Cornwall 2nd ed. 1970 Polsue, J Lake's Parochial History of the County of Cornwall Church Guide Sites and Monuments Register, Truro, Cornwall.