1. (Summerhouse and Vaulted Chamber). Later 18th century. Octagonal. 1-storey. "Gothic structure" chamber is below the summerhouse. Brick roof. Walls of stone rubble.

2. This summerhouse is depicted on the Second Edition Ordnance Survey 25-inch map of Glamorgan XLIII, sheet 9 (1901). C.H. Nicholas, RCAHMW, 17th August 2006.