Billiard Room at Llanerchaeron (Previously listed as sited at Llanaeron House)

Rubble construction, slate hipped roof with wide plastered eaves and large rectangular timber lantern with low pitched hipped roof. Brick chimney stack to rear. Square plan, single storey with symmetrical 3-bay front. Central gabled porch with projecting eaves, round arched entry with stone voussoirs. Six-panel door with fanlight: radiating glazing. Two slate steps. Outer windows set in full-height round arched recesses. Round arched 10/6 hornless sash windows: radiating upper glazing bars. Stone voussoirs and slate sills. Lantern has fixed 6-pane windows (four to sides and two each end), divided by pilasters, which are paired towards each corner. Flat boarded eaves. Plain sides and rear.

Square room with coved plaster ceiling, timber floor and white marble fireplace.