What: A 1926 bungalow in St. Paul gets a sleek second-floor addition.

Size: The original home was 950 square feet. The 1,000-square-foot second-floor addition includes a kitchen, living room, dining room, office, powder room and staircase landing. An additional 300 square feet of space was added to the remodeled main floor for the master bath, mudroom and small office. Michael Roehr also bumped out the side of the house 5 feet to build two new staircases.

Design team: Architects Michael Roehr and Chris Schmitt, RoehrSchmitt Architecture, Minneapolis; www.roehrschmitt.com; 612-216-4191.

Contractor: Michael Beebe Construction, St. Paul.

Cost: $225,000, includes everything but the labor costs of the interior and exterior finishing work, which was done by Roehr.

Go online: See a photo gallery at startribune.com/aiahomes.

The Home of the Month appears in the Sunday Homes section the first Sunday of every month. The program, a partnership between the Star Tribune and the Minnesota chapter of the American Institute of Architects, features architect-designed houses selected by a jury of experts. The houses represent a range of prices, styles and locations.