south aisles and chancel with C15 west tower.
The church replaces a C12 church on the site.
C15 west tower of Barnack with some rubblestone.
Nave of pebble and rubblestone, C13 with C19 plain tiled roof.
C15 clerestorey of three windows, each of two cinquefoil lights in square head.
South aisle, C13 of pebbles and rubblestone
with C14 fenestration.
Late C13 of pebble and rubblestone with tiled roof.
One C14 window of two trefoil lights in square head
one C15 window (restored) with low side.
In north wall one C13 window of two trefoil lights and a C13 doorway with a single chamfered order.
Vaulting springs from finely carved beast and grotesque corbels.
The capitals to the south arcade are round, except for one with carving.
C15 chancel arch two-centred and of two chamfered orders with inner carried on half-octagonal attached shafts with octagonal capitals and bases.
Chancel with C17 roof of four bays and Queen strut trusses.
C14 piscina in south wall.