In the E wall of the Chancel there are 3 tall lancet windows of the C13, with double- chamfered and rebated jambs and moulded labels, restored
Outside, between the heads of the windows are 2 sunk quatrefoiled panels, each carved with a human head, decayed.
The N wall has many herringbone courses of Roman brick.
the 2 eastern are C13 lancets, restored, with double-chamfered and rebated jambs.
The western window is of the late C14 and has the name 'Thomas Cersey' on the outside of the tracery in Lombardic capitals
the infill includes much Roman brick and opus signum.
Below the W window there is another blocked aperture with C17/C18 brick quoins.
the western window is similar to the C14 window opposite, much restored.
The Nave has been extended to the W by approx. 6 metres in the early C13.
The earlier part contains several herringbone courses of Roman brick.
The easternmost is C19, except the internal splays and rear-arch, C15
The western window is a C13 lancet with chamfered and rebated jambs, blocked internally.
W of the eastern window, high in the wall, are the splays and round rear-arch of an Cll/early C12 window, blocked and not visible externally.
The easternmost is C19, except the internal splays and rear-arch, C15
The second window is C14, of 2 cinquefoiled ogee lights and a quatrefoil in a 2-centred head, restored.
The third is C19, except the splays and rear-arch, C14.
Between the first and second windows, set high in the wall, is an Cll/early C12 window similar to that opposite, also blocked externally.
Between the second and third windows is the late C13 S doorway, with a hollow-moulded 2-centred arch, label, and one headstop, the other C20.
In the W wall are 3 early C13 lancet windows, the middle one higher than the others
Approx. 2.5 metres E of the W end is a wall with a C15 arch, inserted to support the timber bellcote
The roof of the Nave is early C15, in 5 bays, with high moulded butt-purlins and moulded and crenellated collars, each truss stiffened with moulded eaves-blades which terminate at the collar
This roof construction is described as 'unique' in Essex In the S wall near the W end there is an early C13 piscina with chamfered jambs, 2-centred head and fluted drain.
In the W wall there is an inscription to Martha Blewit, 1681, who was married 9 times, and to Robert Hogan, who was married 7 times, the last in 1739.