C15 nave with clerestory, C15 north and south aisles, north porch and west tower.
West doorway, moulded 2-centred arch, moulded square head and label, crowned lion stops, carved angel above apex, shields of arms to spandrels.
Diagonal red and yellow tiled floors throughout with some red tiles set square.
Five C17 and C18 floor slabs to Parker and Cornwallis families.
Black marble floor slab: Dorothy Gandy, wife of Sir Philip Parker 1638, coat of arms.
Poppyhead pews, foliate carved ends.
Floor slab by north doorway: Penelope, wife of Thomas Cornwallis 1693.
Wall monument, Sir Philip Parker, 1736, inscription tablet with scrolled sides to base, broken pediment, carved and painted coat of arms with bearers and crest, painted frame.
North wall, said to be Isabel Bacon, Daughter of Sir Bartholomew Daviller circa 1300, effigy of a lady praying, head on pillow, wearing a gown and wimple lying on a chest tomb with cusped and crocketed pediment, canopy over, side pinnacles with finials, depressed arch.
To the east of the aisle, attached to the 1912 organ is a copy of a drawing of Queen Anne Boleyn by Holbein, the note under relating 'That after her execution in the Tower of London, 19 May 1536, it was recorded that her heart was buried in this church by her Uncle, Sir Philip Parker of Erwarton Hall.
Pulpit, C19/C20, octagonal with traceried panels, crenellated soffit with pendants, trefoiled panels with spandrels to stem.
Coats of arms to pulpit panels.
Two 1915 stained glass memorial windows to south east corner.
Not in situ below this monument is a floor slab with indents of a man in armour with ? crested helm, shield below.
Joan, his wife d. 1435, canopy cusped and crocketed pediment, side pinnacles with finials, depressed arch, the effigies of a knight and lady undergoing restoration elsewhere at time of resurvey.
Also in the south wall to west of the west window is a monument, the effigy of a cross-legged knight wearing chain mail, his feet resting on a lion, his head on a pillow, holding a shield of arms and sword, said to be Sir Bartholomew Daviller, resting on a later chest tomb, five front panels with shields in quatrefoils, chamfered 4-centred arch over.
There are wall brasses: Black letter brass, Philip Parker.