Coed Coch, in Dolwen, Conwy, Wales, is a large 19th-century mansion in the neoclassical style, designed by the architect Henry Hakewill.
[2] The main elliptical staircase remains within a rotunda and lit by a small lantern dome.
[5] Their grandson, John Lloyd Wynne (1776–1887) undertook the enlargement of the house and estate in the early 19th century.
The estate then descended in the male line until the death in World War I of Edward Henry John Wynne (1893–1916).
[5] The estate was inherited by Margaret Broderick, his half-sister, who ran a famous Welsh Mountain Pony stud there that continued under her descendants until its sale in 1978.