Exterior

The glass-wrapped, upper-level addition came to Uzcategui as an epiphany as he stood on the roof of the home. The “tree room” now grows out of the original brick structure as if it was destined to be there all along.

Inside, the original ceiling complements new Douglas fir slats. A teal sofa from Crate & Barrel picks up on a color in the stained-glass panels. The coffee table is from Salty Home.

1901 S Comus Street in Portland, Oregon, is currently listed for $3,550,000 by Tracy Hasson of Cascade Hasson Sotheby's International Realty.

Built at a 45-degree angle on the site, the home stretches out over the property to make use of every inch of land. The unusual layout also gives every room a vista into another space.

The addition contrasts with the main house in dramatic fashion, which was, according to Cerrone, "the main point". "The extension needed to be something different, more modern, and built with sustainable materials,

The charred wood siding is from Blackwood Siding, while the standing-seam metal cladding is from Agway Metals, installed by Novak Cladding. All of the structure's windows and doors are from Tiltco Architectural and Velux.

The side patio doubles as a parking spot for a custom-built 1970 Honda CB750.

Rather than expand their midcentury home, Anthony Marks and his partner built a guesthouse on the unused half of their double lot, in Denton, Texas. The gated fence borrows from the material palette used for the dwelling. “It’s like an introduction, or preview, to what lies beyond,” says architect Michael Gooden.

The steel structure is suspended two feet above the roof of the existing bungalow, supported by four steel columns, one of which screens utility lines running from the Perch to the house below.