At Felin Isaf milling complex (nprn 85444), sharing the leat of the corn mill (nprn 85443) is the earlier, two-storey clover mill, which is of similar construction to the corn mill, with a smaller waterwheel. There are external steps, giving access to the upper entrance on the western side. 18th - mid 19th century. 3-storey. Stone rubble. Much machinery and fittings remain. Wheel at South end. In use till 1940.