 Cowbridge and Llantrisant were excluded from South Glamorganshire, being contributory boroughs of Cardiff District of Boroughs constituency.The constituency was scrapped in the next redistribution of seats that took place in 1918.From 1885 until 1895 the seat was held by the Liberals but in 1895 it was captured by a Conservative landowner, who held the seat with a reduced majority in 1900.