Capitol Hill House

Capitol Hill House is a modern residential project situated in Capitol Hill, Washington, completed in 2004. The project involved an extensive remodel of an existing structure, shaped by a desire to maximize daylight, views, and energy performance. The house was reconfigured to include a new penthouse level and roof deck. Central to the redesign was the relocation and opening of the stairwell, now placed at the heart of the house to enhance natural ventilation without the use of mechanical systems. Sustainability played a significant role in the design strategy. A structural framework atop the new penthouse supports photovoltaic panels alongside solar hot water collectors, contributing to on-site energy production. Additional features include a rainwater harvesting system, wastewater heat-recovery, hydronic radiant floor heating, a super-insulated building envelope, and rain-screen siding. The accumulation of these systems results in reduced dependence on external utilities and aligns with contemporary performance standards for residential design.

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