Middleton Park in the U.K. is one of those properties that manages to be both architecturally significant and quietly surprising. Set on 86 acres of Oxfordshire parkland, the estate revolves around a Grade I-listed country house designed in 1938 by acclaimed British architect Sir Edwin Lutyens—his final major domestic commission, completed in collaboration with his son, Robert.
Built for George Francis Child-Villiers, the 9th Earl of Jersey, the house was originally conceived…