Architect Aarne Ervi built the classic Villa Koivikko in 1958 on a lakeside just outside Helsinki. When Studio Petra Majantie and Oopeaa recently restored the building, they had to design the bathroom without the home’s original plans. They used matte-glass mosaic flooring, ceramic tiles matching the living area's hearth, and copper fixtures. High windows let in a lot of natural light, but they added undercabinet lighting and built-in cabinet lighting to create a beautiful balance.

The 540-square-foot one-bedroom apartment that architect Pierre Escobar, of L'atelier Nomadic Architecture Studio, recreated as a three-bedroom home for a family of five features a narrow doorway that accesses a bedroom off the kitchen.

The 54” Oos Floor Lamp.

Fulton Street, archival pigment print, 24" x 54"

PATHWAYS 2 directional 25" x 30" to 45" x 54" The original is a pastel drawing by Joan grabel

Bar table for Funky Furniture SF. White washed finish on Oak. H 42” W 24” D 54”

Fanfol Family Room with 546 Bottle Custom Wine Wall

Domestic Matters, No. 3 54" x 60" acrylic and marble dust on collaged antique linen www.deblawrencecontemporary.com Instagram @deblawrenceart

The apartment measures just under 540 square feet. Natural light streams in from two dormer windows and skylights on the upper level.

MRU Consulting PTY LTD _ Lvl 54, 111 Eagle Street, Brisbane, QLD 4000 _ (07) 3554 1001 _ mruconsulting.com.au/ser...

One of the first Dwell Houses, built by Abodu, was installed at Leslie Scharf’s vineyard home in Healdsburg, California. Norm Architects led the design of the 540-square-foot prefab, which is wrapped in Real Cedar siding.

The Tetra-One features a sloped roof, 540 square feet of living space, including a spacious entryway, living area, bonus space, kitchen, and loft for sleeping.

The 544-square-foot cottage has a 350-square-foot, double-height ground level with walls and ceilings made of cross-laminated timber. It also has a lofted bedroom that’s about 194 square feet.

Architect Matt Garcia designed a 540-square-foot ADU for a musician’s 1960s ranch style home in Ashland. The large lot size, about an acre, meant that Garcia could have doubled the size of the new build, but he preferred the challenge of keeping it smaller.

At 2,120 square feet, Jon's home (on the left) is slightly smaller than his brother's 2,540-square-foot house (on the right). Though the homes feature different floor plans, each has five bedrooms and three bathrooms.

The Polyhaus comes in three separate styles and sizes: The Tetra-One (540 square feet) for $300,000; and the Tetra-Two (980 square feet) and Tetra-Three (1,165 square feet) both priced at $400,000.

The Davis family—Everett, Jonathan, Mary Jo, and Dashwood—enjoy a meal around a Room & Board Montego dining table at their home in The Village. Their residence is the “Aria” style, one of four house types available in The Village. At 1,549 square feet, Aria houses feature two bedrooms.

The homeowner inherited the 1.36 acres over 40 years ago and finally saved enough to hire Matteo Arnone and Pep Pons of Atelier Branco Arquitectura, who came recommended by a family friend. The initial project was slated to be a modest, 540-square-foot space to house his books to be built for $50,000—but through the client’s involvement, the scope expanded.

Floor plan of Nirvana by 540x Partners

The compact, 54-square-foot kitchen is equipped with an induction cooktop (no gas used). The countertops are Create Stone's White Quartz made with 72-percent post-industrial waste.

540 12th St. in the West Village

Measuring 540 square feet, the wood-clad structure presents plenty of space to rest and reflect.

546 broom heads were screwed onto the facade

Unicornucopia ($449) and Cloud Nine ($549) grace the bookshelves.

Several Marvin windows in the 540-square-foot space contribute to a sense of openness with unobstructed sightlines.

547 Beachcomber Walk by architect Andrew Geller (1958-61), Restoration helmed by Larson and Paul Architects in 2006.

540 Degree Views through Open central Atrium providing passive ventilation

Emigre No. 70, book spread showing images from issue no. 54

Three 544 square foot modules combine to create a beautiful small home in Sonoma, CA

Designed by Jan Lippert, a disciple of Mies van der Rohe, the 2,540-square-foot home clearly shows the iconic architect's influence.

The £54.5 million project was first announced back in 2012 is the largest expansion at the museum in over 100 years.

The detached 542-square-foot structure in the backyard can easily serve as a large garage, artist studio, or workout area.

In 2014, JLR Classic Works acquired 543 classic cars from British dentist and entrepreneur James Hull.

Known as The Meadow, the sprawling 2,540-square-foot residence features a concrete walkway overlooking the countryside, complete with slatted screens for shade.

HealthDoc _ 545 King St W, Toronto, ON M5V 1M1 _ www.healthdoc.ca

CACN offers four model types. Pictured here is their MOR.II - a one bedroom unit with 540 square feet plus a 300 square feet wraparound deck.