Capel Rhydygwain and attached house

Capel Rhydygwain is a chapel built in 1848, featuring a roughcast facade with raised squared and painted dressed stone quoins and a slate roof. The building has deep bracketed eaves and barges, with a three-bay lateral front. The central ground floor has a round-arched window with an 18/8 hornless sash and upper intersecting glazing bars, along with a slate sill and painted head. There are round-arched doorways on either side, each with 10-pane fanlights and painted heads, leading to 20th-century doors. The first floor has a 12-pane horned rectangular sash window near each end, also with slate sills and painted heads. A round plaque between the two windows, with a painted surround, is inscribed: "Rhydygwin. Adeiladwyd y Ty Hwn yn y flwyddyn 1848". The right end of the chapel is slate-hung with a roughcast lean-to below, while the rubble rear features two tall round-arched 12/6 sash windows with intersecting upper glazing.

Attached to the left of the chapel is the Chapel House, which has a painted smooth-rendered front. Its roof and bracketed eaves are continuous with those of the chapel, and it has a gable-end brick chimney stack. The two-bay, two-storey facade includes 12-pane horned sashes with painted slate sills and a boarded door to the right. The left end is rubble with two first-floor sashes similar to those at the front, featuring slate sills and cambered Staffordshire blue brick heads.

The interior, dating from 1873, includes a five-sided gallery supported by five cants, with long panels and panelled pilasters between. It has plain cast-iron columns and the outer ranks of ground floor pews are set at an angle. The long pulpit features a timber balustraded front and end stairs, with square newels and ogee finials. An unusual trompe l'oeil painted round-arched frame is located behind the pulpit. The chapel also has a Bullnosed Big Seat with an upper balustrade and a plaster ceiling with a small central rose.