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Garage Conversion

  • Square Footage
    320
  • Location
    Seattle, WA
  • Contractor
    SHED
  • Structural Engineer
    Todd Perbix
  • Photography
    Benjamin Benschneider
  • Press

Built in the 1920’s, this 320sf garage located on a single-family lot was in an advanced state of decay and in need of a new foundation.

Local codes would have prevented replacing it with a new building and so the decision was made to rehabilitate it. In order to maximize the density and utility of the small 3200sf lot it was decided to convert the garage into a rentable studio apartment.

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Site

Built in the 1920’s, this 320sf garage located on a single-family lot was in an advanced state of decay and in need of a new foundation. Local codes would have prevented replacing it with a new building and so the decision was made to rehabilitate it. In order to maximize the density and utility of the small 3,200sf lot it was decided to convert the garage into a rentable studio apartment.

Program

The objective for the studio apartment was to create a functional living space for a single person that felt open and spacious despite the small volume.

Design

Several aspects of the original building were retained including the rhythm of window openings along the south wall, the worn heavy plank floor, and the painted board interior wall cladding. A compact core was inserted, containing a bathroom, refrigerator, oven, clothes closet, and steep stair to the sleeping loft above. A small “light scoop” window was added in the kitchenette to direct late afternoon light deep into the space. The sleeping loft platform extends into the living space to form continuous book shelves under the interior eaves. Collar-ties were added to the ceiling framing to stiffen the roof. These were cut progressively shorter to both maximize ceiling height in the loft and guide warm air to a triangular vent window.

The excavation for the new foundation also allowed for the addition of workshop and storage space below the studio. The addition of terraces, paths, steps, and a fence separated the garage and main house increasing privacy for both, and created small functional zones of use.

 Sustainability

  • Salvaged wood at the cabinet fronts, the interior wall paneling
  • Salvaged plumbing fixtures (tub, toilet, sinks and faucets)
  • Rigid foam insulation was added to the roof and recycled cellulose insulation was blown into the walls was placed into the walls.
  • All original windows replaced with efficient 2-pane wood windows.
  • Domestic hot water and radiant heat are provided by a high-efficiency tankless water heater.
  • The steel post that supports the front edge of the loft was made from pieces of salvaged steel angle and welded together. It also doubles as a pot rack.
  • Rain screen siding system, using fiber-cement planks