Hall attached to Capel Y Bedyddwyr

This building is a hall attached to Capel Y Bedyddwyr, dating from the 19th century. It features a three-bay gable front made of coursed rubble, with different masonry on the gallery floor indicating remodelling. The slate roof is complemented by a pediment treatment and freestone dressings, including an entablature and cornice. There is an eroded datestone in the pediment. Pilasters frame the semi-circular headed 8-pane gallery windows, which have voussoirs and deep sill panels; the central window was inserted at Heol-y-Felin. The ground floor is slightly set forward, with a central semi-circular arched doorway that has roll moulded jambs and panelled double doors, accessed by rounded steps. There are 4-pane windows on either side, and the facade continues around the corners.

On the left side of the chapel, there are four tall round arched headed windows with an impost band, and additional windows step up beyond, including a horned sash window that lights the hall and vestry. A side door opens onto a transverse passage, with the chapel on the right and the hall and vestry on the left. This extension projects to the right of the chapel and has a gable end facing the street, featuring a porch and two round arched headed windows. The rear is finished in cement render with a louvered opening.

Inside, the rectangular galleried space has scribed rendered walls and a boarded, ribbed ceiling that includes plaster roses and ventilation panels, along with a coved cornice. The raked gallery is supported by tapered cylindrical iron columns, painted to resemble 'scagliola' work and manufactured by Dare Fychan Foundry in 1852. The bracketed panelled front features inset lincrusta ornament and Gothic arched panels. The terms 'set fawr' and 'set canu' are positioned prominently, marking the extent of the first chapel. The organ, located behind the gallery, relates to the remodelling, as does the tulip pattern iron balustrade, which shows Art Nouveau influences. A notable monument to Owen Harris, a former Minister of the Chapel who died in 1905, features a stone relief bust with seated women on either side. The hall has a four-bay structure with arched collar trusses.