Stone rubble with tile roofs.
Between the second and third windows is a blocked door- way with Tudor-arched head.
The font is probably c1200 and has a round bowl on a base with chamfered plinth.
The bench ends incorporate some blind tracery carving.
In the upper lights of the windows are some fragments of late-medieval heraldic glass.
The top has a matrix for a brass and the sides have panels carved with kneel- ing figures and with the remains of painting.
On the north side of the chancel is a large marble monument to Admiral William Caldwell, who died at Birtsmorton Court in 1718.
His semi-reclining effigy rests on a tomb chest carved with his flagship.
The reredos background is carved with 28 navigational instruments and is topped by flaming lamps and a cartouche with military trophies.