4 stage W tower, rubble masonry, clasping corner buttresses. Recessed crenellated parapet, string course; waterspouts to N and S. Round arched openings to bell stage, capped keystones, arch rings rest on moulded impost blocks, plain pilasters. Cross frame, louvres below transom. Clock faces to 2nd floor, string course. Round arched windows to lst floor N and S, detail as bell stage, Gothic glazing bars. Slit-like vice lights to right on N. Bolection moulded string course over plinth. Round arched doorway to S, long stone voussoirs. 5 bay aisled nave. Long, narrow, squared rubble, interlocking projecting quoins. Steeply pitched slate roof with broad cambered leaded apex. Cavetto eaves cornice. Bolection string course, rubble plinth. Doorcases to W end of N and S aisle elevations. Round arch, capped keystone, arch ring (missing to S) resting on moulded impost blocks, plain pilasters rise through plinth from moulded bases. Late Cl9 double doors. l7l6 architrave on ovolo brackets over S door frames Cl9 slate tablet with Welsh inscription commemorating renovation of l864, verse, and an englyn. Tall round arched nave windows; capped keystones, arch rings rest on moulded impost blocks, alternate reveal quoins project to form Gibbs like pilasters; ovolo moulded sills. Single, narrow round arched windows to W end of aisles, stone voussoirs.
Vestry of l828 set into NW angle with tower. Masonry as nave, hipped slate roof, cavetto eaves cornice, clasping pilasters, bolection string course, rubble plinth. Cross windows to N and S, detail as those on tower.
Apsidal chancel of l864. Masonry as nave, bolection string course. Flat leaded apex to slate roof. 3 freestone Romanesque windows. Smaller window to centre stepped up, nookshafts to those flanking.