A look at the small reading nook located on the level between the bedroom and ground floor.

House O, designed by Jun Igarashi, forgoes hallways and interior doors in favor of casually interconnected rooms.

Their creative confections may ruin our diets, but we’re happy to be their taste testers anytime.

A 500-square-foot outdoor space with a grill, a table, and a hammock sits just off the entrance level of the townhouse, offering extra room for dining, relaxing, and entertaining. The corner couch is a custom piece inspired by the large cushions of Moroccan sofas. The Fermob table is paired with Hay Hee dining chairs by Hay.

Davor (with his wife, Abbe, and son, August) designed the main living and dining pavilion as a double-height space to increase its perceived volume, and added high cubbies for extra storage.

The glass-enclosed master bedroom floats above the corrugated, oxidized steel exterior.

This dreamy, glass bedroom by the lake was created as an early prototype for the prefabricated greenhouse/she kits known as the Kekkilä Green Sheds.

A guest bedroom, with furniture from Room & Board, overlooks the bridge above the dining courtyard. The home’s landscape architecture is by Ventura, California–based Jack Kiesel. Photo by Coral von Zumwalt.

A small, dilapidated 10' x 12' neighboring structure was brought back to life and is now used as an art studio and guest cottage with a Murphy bed. In total, the property can sleep 10 people comfortably.

Marco V. Morelli says his Studio Shed is the perfect refuge. “It’s changed my life for the better,” he says. “I’ve gotten so much more work done, and I think my marital relations are much better because I have a place of my own.”

The bi-level car barn, a spare, timber-clad structure with an A-frame roof, nods to traditional farmhouses, but is “sleek and contemporary in spirit,” says Geremia. Inspired by an old photo of a porcelain farmhouse sink, it features polished concrete floors.

Despite its small footprint, the flexible, multi-purpose space includes bike storage and a niche for storing weights.

Inside, playful pillows can be rearranged in any manner, and are often used as mock beds for relaxing and looking at the canopies above.

Working with his colleagues at Austin Maynard Architects, architect Andrew Maynard added a 184-square-foot, sun-saturated greenhouse extension to his existing 364-square-foot home, and the new space serves as an office for him and his team.

Fir plywood from Freres Lumber joins IKEA cabinets. The figure painting is by Dylan Dean.

Although Wakebayashi is not a professional Noh actor, he performs in front of an audience once or twice a year. For these performances, his preparation goes beyond memorizing lyrics and choreography—he sometimes even visits temples and locations where the story is set. “I need to understand the contents of the Noh play, which is how the main character feels, and the background of the story including history,” says Wakebayashi.

The home’s Noh stage is constructed of hinoki cypress. On the back wall, Kagami-ita—which literally translates to “mirror board”—is a polished board on which the sacred pine tree is depicted. “It serves as an echo board for the sound on the stage, and is known as the large pine tree that first catches the eye upon entering the Noh theater,” says architect Takanori Maita.

A double-height space encompasses the kitchen, dining and living area, and features 36-feet-wide glass doors that pocket into southern and northern walls.

Of the seven steps in Michael Pozner’s not-quite-500-square-foot aerie in Greenwich Village, five contain drawers. His small set of table and chairs is from CB2.

By creating a desk out of roof beams, this home office perfectly integrates into an open-plan renovation of a Northern Italian farmhouse.

Once a dilapidated garage, this flexible garden studio in Seattle now serves as an all-weather hub for Ella Dillon, and her 10-year-old daughter, Isabelle. After moving into the Craftsman-style home in Seattle’s Ballard neighborhood in 2006, Ella was ready to expand into the garden studio—envisioning it as a place for Isabelle to do arts and crafts, for friends and family to gather—and as additional storage for games, gardening tools, and exercise equipment.

The original run-down shed wasn’t very functional: The roof leaked, the carpet had sprouted mold, and the narrow quarters were sectioned off as two parking spots and two office spaces. So Ella engaged Mutuus Studio to help figure out an optimal design for the 360-square-foot shed—one that would encompass garden shed, exercise room, office, playroom, and outdoor dining space all while staying within a modest budget of less than $40,000.

Sleeping nooks that look like the grooves in a block of cheese.

The built-in nook is the perfect spot to read, while the shelves mimic the shape of the hideaway staircase on the left side.

Shiplap pine walls, primed white, complement unfinished concrete floors and a wood stove by Jotul.

A smaller, rectangular building between the two blocks that's equipped for surfing-related activities.

Helsinki architect Ville Hara and designer Linda Bergroth collaborated on a prefab shed-meets-sleeping cabin, which can be assembled with little else than a screwdriver. Bergroth, inspired by nomadic yurt dwellers, wanted an indoor/outdoor experience for her property in Finland.

In all of its beige glory...