South aisle has blocked C12 round-headed doorway and lancet window, then 4 Perpendicular windows, 3 2-light and 1 3-light with cinquefoil-headed lights and hood moulding.
North porch is early C13, gabled with pointed headed arch with dripstone.
Nave: 3 bay nave with 2 bay chancel sharing same arcade on the north side interrupted by the original C13 stone pulpit with its arched doorway.
SZ4583 : St. Peter, Shorwell, IOW: pulpit
C17 hourglass at side attached to column.
Roof has some C16 tie beams but is mainly C19 with boarding and arched braces.
North aisle has over the porch a c.1440 wall painting of scenes from the Life of Sir Christopher with a central figure of the saint wading through the water amongst ships and fishes, on the left side the saint riding with the Devil and later renouncing the Devil for Christ and on the right a martyrdom scene with arrows.
North chapel has 3 fine monuments to the Leigh family of North Court in the North wall.
John Leigh and his baby son consists of a wall monument with 2 kneeling figures in front of lecterns, the baby miniature yet fully dressed and kneeling though he died at 9 months in an architectural surround with Composite columns abaove with cornice having alternatively 2 glyphs and paterae with armorial shield above.
Central marble wall tablet to John Leigh d. 1688 with elaborate cornice and shield flanked by garlands, and garlands and scrolls to sides of inscription panel.
Stone wall monument with strapwork inscription panel with central winged head.
South aisle Chapel has piscina with square drum and early Renaissance Netherlands carved panel of the Flagellation of Christ.
Roof has C16 tie beams but C19 boarded ceilings with arched braces.
Octagonal stone font with Jacobean strapwork front cover with dove finial and hoist inscribed "And the Holy Ghost descended in a bodily shape like a dove upon him.
SZ4583 : St. Peter, Shorwell, IOW: font
C17 oak benches with early C19 poppy head bench ends.