The Smiths hired Seattle–based firm Shed Architects and asked them to "keep it simple and design for a modest budget and tight schedule," the architects say. Shed's solution: "a box that contains a new master suite and defines a covered outdoor space below." Photo 3 of 16 in Bedroom Addition in Seattle

Bedroom Addition in Seattle

3 of 16

The Smiths hired Seattle–based firm Shed Architects and asked them to "keep it simple and design for a modest budget and tight schedule," the architects say. Shed's solution: "a box that contains a new master suite and defines a covered outdoor space below."