Moulded offset beneath two C14, ashlar stages, south and north clock faces, 2-light belfry openings with louvres and cusped Y-tracery.
String course with gargoyles
South doorway within has ancient oak door with some medieval ironwork, round arch with 5 incised voussoirs and simple hood
medieval grave-slab fragments in porch walls.
Massive buttress to far right, dated 1677, has 2 lancets in ashlar walling on its left.
Interior: round tower arch probably rebuilt in C14.
C13 north arcade of 2 bays has cylindrical pier with crocketed, octagonal capital, keeled imposts and chamfered, pointed arches.
Chamfered round arch into north chapel probably c15
Sedilia with 2, distorted,round arches with 2 medieval grave slabs in back wall.
Early C18 pulpit with marquetry panels.
Wall monument in north chapel to John Stanhope(d1674): cartouche with draped sarcophagus over, skull with arms.
P. F. Ryder, Saxon Churches in South Yorkshire, South Yorkshire County Council County Archaeology Monograph No 2, 1982, pp63-70.