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SFOSL 20th St. Residence in Potrero HillGrygoriy Ladigin, Capser Mork Ulnes, and Andreas Tingulstaed of new architecture firm <a href="http://sfosl.com/projects/20th-street-residence" target="_blank">SFOSL</a> (San Francisco - Oslo) were some of the youngest designers selected for this year's <a href="http://www.aiasf.org/programs/home-tours/" target="_blank">AIA Homes Tours</a> during the <a href="http://www.archandcity.org/">Architecture and the City Festival</a> - and their Potrero Hill project is one of our favorites. Undeterred by scrupulous <a href="http://inhabitat.com/sanfrancisco/">San Francisco</a> planners, SFOSL maintained the existing exterior façade to be consistent with others on 20th Street, while giving the interior a complete overhaul.1
SFOSL 20th St. Residence in Potrero HillA catwalk bridge at the rear facade connects with the garden beyond.2
SFOSL 20th St. Residence in Potrero HillWriter Piper Kujac chats with Bonnie Bridges of Boor Bridges Architecture.3
SFOSL 20th St. Residence in Potrero HillA new stairwell backs the kitchen counter with a transparent glass railing.4
SFOSL 20th St. Residence in Potrero HillThe perforated retractable sunshade is operated by a manual hand crank.5
SFOSL 20th St. Residence in Potrero HillA view of the catwalk bridge in the rear garden.6
SFOSL 20th St. Residence in Potrero HillThe lower-level court offers a cool refuge from the south-facing rooms above.7
SFOSL 20th St. Residence in Potrero HillThe roof deck is an extension of the family room.8
SFOSL 20th St. Residence in Potrero HillBuilt-in bookshelves were constructed of salvaged roof trusses removed during demolition.9
SFOSL 20th St. Residence in Potrero HillThe entire south face of the top level opens onto the roof deck.10
SFOSL 20th St. Residence in Potrero HillView to the left of the top floor glass wall.11
SFOSL 20th St. Residence in Potrero HillLight is borrowed from above through the stair shaft.12
SFOSL 20th St. Residence in Potrero HillThe outdoor court in the rear of the property is an extension of the lower level rooms.13
SFOSL 20th St. Residence in Potrero HillThe terraced garden at rear of property is rich with colors and textures.14
SFOSL 20th St. Residence in Potrero HillView to the right of the home's glass wall.15
SFOSL 20th St. Residence in Potrero HillTop Secret polish coats the wood stair and oriented strand board (OSB) panel floor.16
SFOSL 20th St. Residence in Potrero HillLaminate wood stair is exposed on all edges for clean, sculptural aesthetic.17
SFOSL 20th St. Residence in Potrero HillStair to lower level becomes center point of top floor circulation.18
SFOSL 20th St. Residence in Potrero HillGlass sliding doors open the entire south wall of the living room onto the roof deck.19
SFOSL 20th St. Residence in Potrero HillThe catwalk bridge leads from top story to garden beyond.20
SFOSL 20th St. Residence in Potrero HillShoes of design enthusiasts aggregate on the sidewalk below.21
