Parish church, C13, C14, C15, C16; chancel restored by Pearson 1885-6; north aisle by Weatherley and Jones 1891. Irregularly coursed ashlar and squared rubble with ashlar dressings, lead and late roofs. West tower nave, chancel, north aisle, vestry, south porch. West tower 1504 ashlar, 3 stages on plinth, 2 string courses battlemented parapet, 8 crocketed pinnacles, 2 diagonal buttresses to west, 3 setoffs; plain buttresses to NE and SE, 4 setoffs that to north engaged with aisle. West window C15 cove moulded surround containing 3 round headed lights with chamfered mullions and 4 similar lights above. Third stage has 4 double lancet bell openings with cusped heads; C19 iron clock dial to west. North aisle, C19, 3 bays irregularly coursed ashlar, 4 buttresses, 2 setoffs; moulded parapet; battlemented east gable. To east large decorated triple lancet with panel tracery; to east moulded blocked doorway. Above, battlemented gable. To right 2 square-headed openings with label moulds, each containing a triple lancet with decorated tracery and chamfered mullions. East window similar. Vestry, C19, irregularly coursed ashlar chamfered plinth lead roof, moulded coped eaves; single diagonal buttress to west, 2 setoffs, a pair of clasping buttresses to the east, 2 setoffs. To east, square headed chamfered and rebated opening containing double Decorated lancet with chamfered mullion; to west, moulded blocked doorway. Chancel, C19, 2 bays, irregularly coursed ashlar, slate roof, chamfered plinth, moulded string course, battlemented parapet, 2 crocketed pinnacles either side, battlemented east gable with cross. North side has square headed coyed opening containing triple Decorated lancet with coved mullions; to west, chamfered blocked doorway. South side has central rebated priest's door, flanked to west by square headed chamfered opening with label mould containing triple decorated lancet with cusped beads. East end has 2 diagonal buttresses, 4 setoffs plus plinth; shallow arched coyed opening with plain label mould, containing triple lancet with cusped heads panel tracery and coved mullions. Nave, c.1504 bays, moulded plinth, string course, battlemented parapet, 3 buttresses, 3 setoffs on south side only. Rainwater heads dated 1891. To west, square headed coved opening with label mould and stops, containing double lancet with Decorated tracery, and chamfered mullion. To east C19 pointed arched coved opening with label mould and mask stops containing triple lancet with cusped heads. Beyond to east, square headed chamfered and rebated opening with label mould containing C19 double lancet with Decorated tracery. South porch, C14, restored C19 chamfered pointed arched opening with moulded head and label mould with leaf stops. Steep pitched scissor-braced slate roof, coped gable with cross. South door has C15 chamfered arched opening. C19 door with elaborate hinges. Nave north arcade C13, 2 bays plus extra bay to east central round pier on broached square base with moulded square capital; keeled responds on square and octagonal bases with square capitals. Rectangular eastern pier. Arches chamfered and rebated. South side has central pointed arched opening flanked by single square headed openings all splayed. Roof C19 with octagonal capitals carrying curved braces to the beams; arch braces to principal rafters. Curved braces from brackets to ridge and decorative wind braces to purlins. Font C19: square base with 5 octagonal columns carrying egg-shaped bow with lozenge frieze on rim. Tower arch C13, double chamfered and rebated with moulded octagonal imposts. C19 perpendicular style screen, 7 panels. Fragment of C15 glass in west window. North aisle has C19 stained glass in all 4 windows. In NE corner blocked doorway. C19 roof with decorative windbraces. Panelling with moulding and cross at west end of chancel in place of chancel arch. Screen C19 Decorated style, 7 panels. In north east corner, monument to John Helwys, 1599, alabaster. Rectangular panelled table base with moulded edge; carved balusters framing inscription (now detached); strap work frieze with moulded cornice; above, triangular pediment with central boss flanked by square baluster finials with pyramidal caps. East wall has C19 alabaster and mosaic reredos. South wall has to east, elaborate C14 ogee headed piscina. East window by Clayton and Bell 1865: one north and 2 south windows by Kempe 1885. C19 king post roof with octagonal corbels carrying arch braces to chamfered ridge. Panels have large carved central bosses. (NCC/js)