Y Dderwyn

A 1½-storey cottage of rubble stone (partly rendered) and thatch roof beneath corrugated iron sheets, with brick end stacks. The L end has brick quoins. Openings are offset to the R. A central boarded door has a margin-lit late C19 sash window to the L and to the R a small-pane sash window (the lower sash of which is missing), all under wooden lintels. In the L gable are 4-pane sash windows inserted lower L and in the attic in the late C19, with brick dressings. In the R gable end is a 6 over 3-pane sash window inserted into a former attic doorway. A blocked opening is lower R.

The interior has a central passage with stair at the rear, and 2 rooms, the L-hand larger with a C19 surround to the fireplace.