White oak was also used for the kitchen cabinetry, and white marble for the countertops. In the open-plan dining area, another window seat pulls double duty as a bench for the kitchen table.

“The bump-outs are designed to function as built-in furniture,” he says. “I loved the idea of turning the walls into miniature habitable spaces, and making the house itself part of the furniture.”  Photo 8 of 9 in Twin Houses on Tiny Lots Stretch Outward for Space