Dropmore Lodge (or House) and estate was in Buckinghamshire purchased by William Wyndham Grenville in 1792. By 1795 he had renovated it at a cost of £14,000.

The house was designed by Samuel Wyatt (1737–1807) who removed a hill to give a view of Windsor Castle from the windows. Wyatt's work was expanded by Charles Heathcote Tatham (1772-1842). Over a period of years, lawns and paths were laid out whilst trees and shrubs were planted to transform the 600 acres into an area of lakes surrounded by an ornamental woodland and formal garden.