Church of St. Cadwaladr, Llangadwaladr

The Church of St. Cadwaladr in Llangadwaladr is a church featuring a nave that has no exterior distinction from the chancel, along with a south porch. An octagonal apse from the 19th century and a small north vestry have been added to the structure. The walls of the nave, porch, and vestry are made of very varied stone, including mudstone, shale, and quartz, laid in an uncoursed manner. This stonework is likely medieval, mostly relaid, except for some sections on the north side of the nave that may have been retained without rebuilding. Small buttresses are present at the east corners. The stonework of the 19th-century apse is a darker, thinner slate, also uncoursed but appearing more regular. The west wall, rebuilt in 1915, is rendered. The roof is covered with slate in medium-sized courses, featuring a tile ridge, a stump of an east finial, and a west bellcote made of ashlar sandstone. The slates of the apse are neatly butted at the hips.

All the windows are from the 19th century and made of light-colored sandstone. They include trefoil-headed single lights on the three facets of the chancel and two on each side of the nave and chancel. There is an iron trefoil window on the west side of the vestry. The porch has a pointed and chamfered outer arch, with a boarded south door set in an opening with a flat lintel. A date-stone from 1883 is located beneath the east window.

Access to the church is through the south porch. Both the porch and nave feature colored tile paving made from red, black, cream, and yellow quarry tiles. The nave consists of four bays divided by 19th-century arch-braced collar-beam trusses. Against the west wall, there is one nearly complete medieval or post-medieval truss, which includes tie and collar beams and curved queen struts, although it has lost its apex. The rafters over the chancel are supported by scissor bracing. The seating consists of pews arranged in two blocks with a pulpit on the right, and similar pews are found in the chancel.

The chancel is distinguished by two steps, while the sanctuary is marked by a single step and a thin pointed sanctuary arch with two chamfers. The flooring in these areas is paved with similar tiles, featuring encaustic designs.