C17 features, considerably restored in 1870.
On the north side, 3 single-light round-headed Norman windows with deep internal splays
2 C14 single-light cusped windows,
2 C13 2-light windows with cusped plate tracery.
In the lowest stage the rubble flint is coursed, and there is a Norman west window with deep inner splay.
The south porch is basically medieval, with a facade of flint and stone chequer work, but heavily Victorianised.
Interior with a C14 arcade between the south aisle and the body of the church: in that part of the arcade beside the chancel, the arches have been pushed up into a stilted form.
C12 font with large square bowl decorated with shallow blank arches, central column, and 4 small outer colonettes on a rectangular scalloped base.
TM3282 : All Saints, South Elmham All Saints - Font
At the back of the nave, 2 small C15 benches with poppyheads and animals on the arm-rests.
The remaining nave benches have poppyheads only: some C15, and some good C19 reproduction.
Above the door to the tower stair, in the north- west corner of the nave, a C15 stone panel with shield and elaborate leaf surround in high relief.
A wide door to the tower arch is made of elaborately carved Jacobean panels, with some later replacements.
C15 roof to the nave in 5 bays, with arched braces and high cambered collars.
The chancel roof, much restored in C19, has arched-braced collars and moulded purlins and appears basically C17.