Former entrance tower to Pantglas, including attached remains of house.

An Italianate 4-storey tower with 2-storey portico set back on its L side, of dressed masonry and roughcast walls. The lower storey of the tower is rusticated masonry and has round-headed doorways to the front and R sides. The second storey has a recessed segmental-headed window between rusticated quoin strips. Above, the rendered third storey has a blind balustrade and keyed oculus between rusticated quoins. A broad panel is between third and upper storeys. The upper storey has triple keyed round-headed windows, the central with 2-pane sash window and the outer blind, above which consoles support pedestals on the balustraded parapet.

The 2-bay portico has Tuscan columns, paired in the centre, and a balustrade in the upper storey. In the lower storey the windows in the passage have Doric architraves. Further L is a freestanding column, part of the original porch. A roughcast single-window wall is on the R side of the tower.