Venetian architect Giacomo Leoni created a magnificent Palladian residence for Thomas, the 2nd Baron Onslow, in the 1720s on the estate outside of Guildford, in Surrey, south of London, that the baron’s great-grandfather Richard Onslow, the MP for Surrey, had purchased in 1641. The dignified restraint of Leoni’s exterior hid a luxuriant interior oozing with Georgian glamour. Its most …
