Carriage House by Medium Plenty music area at the top of a staircase

Before & After: A Time-Capsule Carriage House in San Francisco Is Gracefully Modernized8 of 9

"This area was originally a bedroom but had to be sacrificed to accommodate the stair to the new suite," Read says. "The remaining space wasn’t large enough to be its own room but ended up making a perfect music area—both parents play music."