Ynysgain Fawr

Main range faces NW, with later wing to SE. Well coursed and squared stone to main elevation, rougher stone in gable wall. Slate roof. 2 storeys, 3-window range forming a 2 unit plan unequally divided, with off-centre doorway. 12-pane sash windows with horns to ground floor, hornless 9-pane sashes above, and plank door with narrow overlight. Openings all have rough stone lintels. Long rear wing is a rougher stonework, and is also 2 storeyed, a 2-window range with 16-pane sashes on the inner (NE) face), and 4-pane sashes to SW. Single storeyed outbuilding adjoins the original range to the NE: Roughly coursed and squared rubble, well coursed in gable end, with graded slate roof and projecting kneelers to gable. Central doorway with rough stone lintel in the SE elevation facing the yard, with inserted window to its left, and ventilation slits to the right and in gable end.

The house has a small entrance and stair hall, and a 2-room plan, with large single room (now subdivided) in the rear wing.