Seion Chapel

Seion Chapel is a Baptist chapel built in 1870, replacing an earlier structure from 1846. It is located set back from the road within a graveyard that features some notable memorials, enclosed by a stone wall with iron railings. The chapel is constructed from coursed brown stone with freestone dressings and has a rock-faced plinth topped with a slate roof.

The entrance front, which faces the road, has a gabled design treated as a pediment. It features an oculus with a cinquefoil design and an entablature inscribed with 'Seion', '1845' (indicating the date of the chapel's incorporation), and 'Capel Y Bedyddwyr 1870'. The front has three bays, marked by Tuscan pilasters; the outer bays each contain a tall round-headed window with simple tracery, while the central bay has a group of three round-headed windows at the gallery level and a round-headed entrance doorway below.

The side elevations consist of five bays, also articulated by pilasters similar to the front, with tall round-headed windows. At the rear, the gable includes a cinquefoil oculus and pilasters at the ends. There is an attached single-storey annexe made of brown stone, with the rear being rendered. The southeast side has two round-headed windows (one blocked), a camber-headed basement doorway, and two round-headed windows at the rear. The northwest side features two round-headed windows similar to those on the southeast and a smaller window towards the body of the chapel, along with a modern gabled porch.