Formerly an office building with a dark basement, the structure—reminiscent of the Flatiron building in New York—was updated with a curved window on the street level, as well as a perforated white acrylic panel that allows light to enter the house. Photo 1 of 5 in Amazing Five-Story Staircase Twists Through a Narrow London Home by Allie Weiss

Amazing Five-Story Staircase Twists Through a Narrow London Home

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Formerly an office building with a dark basement, the structure—reminiscent of the Flatiron building in New York—was updated with a curved window on the street level, as well as a perforated white acrylic panel that allows light to enter the house.