A beautifully proportioned cedar deck stretches the full width of the house. Unusually wide guards cradle your hands, and a custom-made railing in swooping steel guides you from the house quickly down onto the ground. With a nice dining set, Mr. Wellington and his son can sit there for dinner; when it’s time for hockey, and in the winter months, it’s a clean slate. “It’s a real space, and it gets used constantly,” he says.Jesse Jackson