by a subterranean passage and a decorative wrought-iron screen, said to be the finest early 18th century wrought-iron screen still in existence in Scotland. The 4th house During World War I the estate was used by the Royal Naval Air Service as an airfield, which was expanded during World War II as RNAS Donibristle (HMS Merlin). From 1962 the airfield and the rest of the estate was developed as Dalgety Bay, a privately funded new town. Begun by Copthall Holdings, the site was taken over by the Scottish Homes Investment Company and construction continued into the 1970s. In the late 20th century the wings of Donibristle House and the nearby stable block were restored as housing, and a new apartment building was erected in place of the main block of the house. References Listed houses in Scotland Category A listed buildings in Fife Demolished buildings and structures in Scotland Dalgety Bay