Important Norman arcade and doorways, some unusually late Gothic fabric and fittings.
3-light 1870s steeply-pointed window with hoodmould and carved label stops has flowing rectilinear tracery with carved floral motifs in place of cusping.
Single C13 lancet windows in north and south sides that to south look restored.
3-light granite window in south aisle to west of porch, probably C16 of similar design to north aisle windows.
2 similar larger 4-light greenstone windows to east of porch in south aisle, probably C19 on pattern of C16 windows.
Heavily-moulded granite string above tower plinth, shallow-moulded, arched west door with hoodmould and carved label stops.
String below parapet has triple bead moulding, gabled south porch has heavy coping and pairs of C12 corbels used as kneelers.
Porch surmounted by carved Agnus Dei and 2 dragons.
Inner order consists of beakheads, zig-zags carved on soffit.
Present outer order of zig-zags with zig-zags carved on soffit.
Birds and pine cones carved on capitals.
Important Norman north arcade, the respond of the westernmost bay against a short section of wall running east/west.
Dunstone ashlar columns, 2 with cushion capitals, 1 with capital carved with zig-zags, support round-headed arches.
Next arch to east has 3 orders of carving, including beakheads, zig-zags and graduated pellets.
Carved rams head projects from spandrel.
Roofs throughout Perpendicular waggons now unceiled with flat bosses and fleurons carved on ribs and principals.
Wall plates vine-carved with carved angels.
Chancel bosses carved and of higher quality.
Complete set of fixed benches with carved rectangular ends, bases largely original including carved rails against north and south walls.
Font stands on plinth partly made up of moulded stone with carved fleurons, possibly remains of tomb.
Pulpit is a 3-sided C20 drum incorporating some earlier woodwork as blind tracery.
Chancel screen initially constructed by Hawker, removed, and then replaced 1908, is made up of fragments of C16
Large reredos in chancel designed by E H Sedding in 1908, carved by the Pinwill sisters of Plymouth.
Demi-figure and armorial bearings incised within border inscription.
Slate memorial on west wall of south aisle to Grace Coryndon, died 1731 with arms, knotted drapery and winged skull carved in relief, some ancient colour surviving.
Hawker memorial window by Lavers and Westlake, erected 1904 in south aisle illustrates Hawker and his dog, the church and various features in Morwenstow associated with Hawker.
Large slate memorial to Hawker's first wife, Charlotte, died 1863 in floor beside pulpit.
C17 communion table at west end.
Slate figure of John Ley illustrated in A C Bizley, The Slate Figures of Cornwall. (Marazion and Penzance), 1965, p.116.