When specialty designer Linda London mapped out the interiors of her client’s 18,000-square-foot, seven-bedroom contemporary home in Greenwich, Conn., she focused on two things: function and beauty.
“She is very organized and very stylish,” Ms. London said about her client, a mother and grandmother whose husband works in finance and who loves to entertain. Their weekend compound regularly hosts the entire extended family as well as many friends, and has a multitude of areas in which to congregate: terraces, the pool, the...