 An entirely black-and-white house with jettying is Rowden Abbey (1881) in Hertfordshire.Back in North Wales, Plas Mynach (1883) in Barmouth includes much detailed woodwork internally.In about 1879–81 Douglas built a terrace of houses on his own land in Chester, 6–11 Grosvenor Park Road, the road leading to the main entrance to Grosvenor Park, in High Victorian style.