3 Mawddwy Terrace

3 Mawddwy Terrace is part of a terrace of six workers' cottages located in Minllyn, Dinas Mawddwy. Built in a mountain-Gothic style, the cottages feature selected local slate laid on bed and slate roofs. The design includes two bilaterally symmetrical cottages that form large gables at each end, which are set slightly forward to dominate the central cottages. Each cottage has a 4-paned half-glazed door with a plain overlight and 4-paned horned sash windows on both floors, all topped with triangular heads made of shale voussoirs. The upper floor windows in the central cottages are set within five large raised and gabled dormers. The eaves are deep, supported by extended purlins and ridges with shaped ends. Stone stacks are present on the party walls, featuring necking strings and outsetting heads. The large gable ends display decorative timber framing in the upper half. Internally, the partitions are said to be made of slate slabs set on end, which is an innovation attributed to Buckley and his architect, James Stephens. Some windows have been replaced with uPVC, and a modern hardwood glazed door has been installed.