Built in 1853 for the industrialist Lewis Llewellyn Dillwyn and designed by William B. Colling. Massive square mansion of two storeys and an attic; snecked grey stone under renewed slate roofs. Grand asymmetrical entrance front to the N in Puginesque style. The remaining elevations are in Tudor-Gothic style. Purchased by University College Swansea in 1964 and subsequently converted for educational use (RAJ, RCAHMW, 4 January 2001; based on CADW listing description).