West wall has a single C16 4 centred arched window with sunk spandrels, with above a single chamfered segmental headed light.
Above the door a 5 light window with brattished transome set in a 4 centred concave moulded arch with hood mould rising to an ogee point beneath a pinnacle supporting a cross fleury at the gable and flanked by angled shafts rising from angel corbels and terminating in castellated finials.
C14 chancel east window of 3 lights, with curvilinear tracery.
The north and south arcades of 3 bays, early C13 north arcade has one circular pillar with keeled rosy?ends and double chamfered arches, elaborate label stops to hood mould.
The early C14 south arcade has octagonal piers and plain C19 responds.
C12 tower arch is round headed with chamfered imposts and plastered reveals
on the west side an earlier C13 2 centred arch can be seen above it indicating that the tower arch is reset.
In the north wall of the chancel is an early C13 arch into the north chapel with keeled responds and double chamfered arch.
The roof over the nave and chancel. are C19 elaborately carved crown posts with painting above the chancel.
In the sanctuary a C17 altar table with turned legs.
Otherwise altar rails, pulpit and font are all C19.
In the nave hang 5 hatchments to the Monson family.
Monuments: in the north chapel, behind a screen of wrought iron railings, on the north side of chancel, an elaborate alabaster and marble tomb to Sir John and Lady Monson, 1625, by Nicholas Stone.
Splendid six-poster tomb in St.John the Baptist's church to Sir John and Lady Monson by Nicholas Stone in 1625
In the Mausoleum a monument to the 6th Lord Monson, d. 1864, by Bartolini and Bencini, a copy of a monument in the Annunciata in Florence, set on a high plinth in a neo-mid-C18 style with above a big coat of arms with lush foliage.