West tower of 2 stages surmounted by one of the few medieval spires in Dorset.
North aisle has pointed C14 windows of one
2 lights flanking a central square-headed, 5-light C15 window.
The north transept has 2 C12 round-headed lights, possibly reset.
North and south chancel windows are C14 of 2-lights under pointed heads, those to the south being restored.
South aisle has has 3-light, square headed C15 window.
Nave has clearstorey of single light windows and C14 2-light east window.
Internal features: mid C12 north arcade of 3 bays with round arches of 2 plain orders on round piers with scalloped capitals
late C12 3 bay south arcade with pointed arches, much altered
C12 round north aisle to transept arch
south chapel has lierne vault springing from carved corbels