Carriage House by Medium Plenty bedroom with circular window

Before & After: A Time-Capsule Carriage House in San Francisco Is Gracefully Modernized7 of 9

"We wanted the main suite windows to have a non-traditional relationship to the walls and contemporary detailing," Lanigan says. The new bedroom adds a fourth bedroom to the property, expanding it from 1,475 square feet to 2,045 square feet.

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