Home » Allies and Morrison Wins Contest to Restore Clandon Park Mansion in UK » Entrance or West front with pedimented section, or porte-cochere, added in 1876, and staircase at Clandon Park, Guildford, Surrey, built around 1731 by Italian architect Giacomo Leoni Entrance or West front with pedimented section, or porte-cochere, added in 1876, and staircase at Clandon Park, Guildford, Surrey, built around 1731 by Italian architect Giacomo Leoni