the chancel is the oldest surviving part of st mary's church of england parish church, dating from the 13th-century, although a loose romanesque pillar piscina remains from the norman church. blocked arches on both sides of the chancel mark the entrances to former chapels. the splendid font also dates from the 13th-century. the major rebuilding of the church in a mature decorated style has been dated c1320-30. the noble nave arcade is of six bays, with circular ogeed cinquefoiled clerestory windows above. the church has a cruciform plan with 14th-century transepts and a vaulted north porch. there is a rood stair turret entered from the south transept and topped externally with a pinnacle. the west door and the north door date from the 14th century and both retain original ironwork.