Knot pendant lamp by KiBiSi. Designed in 2005. Limited Edition. Photo courtesy of KiBiSi

Arbel’s projects—both products and architectural commissions—follow a chronological numbering system. The house itself is his 23rd design, while the one-of-a-kind glass pendants that accent nearly every room like a starscape are called “28.”

Brammy and Kyprianou hung Koura pendant lights by New Zealand designer David Trubridge above the dining area. Their organic forms and diamond-shaped shadows create intimacy in the vast space. Among Bilardo’s contributions were the black tulipwood cabinetry and ceiling and the cantilevered concrete countertop that appears to go through the glass wall.

For the dining room, Freeman and Feldmann swapped their tiny table for developer John Walker's larger one since he was moving into a smaller space. They topped it with a $12 pendant lamp from Ikea and finished the "room" with a counsel from West Elm.

A built-in bench by the window is a cozy perch for Tyler. The herringbone flooring looks like wood but is actually man-made.

Nicolas Gervais designed the pendant lights above the kitchen island, which was designed by Plasse and built by woodworker Stéphane Bilodeau.

Kartell Neutra LampItalian designer Ferrucio Lavani designed this elegant, shell-like lamp in 2008. $1,100

"The kitchen refers to London’s feeling the most," says Stepanova. Pendant lamps from Normann Copenhagen illuminate the kitchen, all of which was fabricated by the woodworking studio Dyzyk according to Stepanova's designs.

In the Denmark home of designer Eglantine Charrier, original 1920s windows and moldings meet modern accessories like a black Caravaggio pendant lamp by Cecilie Manz for Lightyears.

As Østergaard says, “With a small house, you really consider everything you own. You don’t have 20 pots and pans, you have only four good ones.”

Happy Accent Now that the interior’s palette is firmly in place, Winterhalder has slowly been adding splashes of color. E27 pendant lamps from Muuto in the kitchen and guest room have red cords; one wall in the guest room is also red, with matching red locker storage. The inside of the front door is painted bright green. “For me, they’re kids’ colors,” she says. “I just love them.” muuto.com

The Globo di Luce pendants in the kitchen are by Roberto Menghi for Fontana Arte.

1969JL341 Pendant light by Juha Leiviskä for Artek.

Norm 12 comes in two finishes, pure white and simple matt white, the extra large light is intended for hallways or larger rooms, while the small light is meant to be hung over a table or in a nook.

Utilizing lightweight LED technology, Arik Levy's Wireflow pendant lamps are an airy, geometric take on lighting design.

"I always have ideas floating around, inspired by a number of deferent things: previous generations, art, technology, color," says Dowie. "I think a lot and process these ideas through thought—it is the ideas that keep coming back that we end up developing." In the case of the Line collection, the balance and lightness of Alexander Calder's mobiles was pared with practicality. "It's perhaps a more romantic approach, but I do hope to strike a balance between form and function."

Neyer is also working on prototype for a pendant lamp inspired by a yo-yo.

The couple designed the master bedroom, choosing a new red carpet inspired by the original and a Half Moon pendant by Allied Maker.

Lange’s predilection for vintage design punctuates the space. The office level includes a cozy guest room with a mid-century Heywood Wakefield-esque dresser serving as a bedside table.

Pendant Lamp A 331, Beehive (1953) These lamps were first introduced as part of Aalto's work on the University of Jyväskylä.

Bunch of Bulbs pendant lamp by KiBiSi. Designed in 2005 with standard plumbing fittings. Limited Edition. Photo courtesy of KiBiSi

This lacquered aluminum pendant lamp is basically a cube with three sides removed. There's a stretch fabric inside that spans the outer edges of the lamp and obscures the bulb.

The ALUE pendant lamp, also by Matti Syrjälä, is a multi-faceted piece with 12 edges of wood fiberboard.

In the living room, a vintage table and chairs by Edward Wormley sit in front of a Florence Knoll wall unit with a vintage jewelry chest by George Nelson for Herman Miller. The Hinaki pendant light over the stairs is by David Trubridge.

An assortment of dining chairs, including vintage iterations on the Eames shell chair by Charles and Ray Eames and Stokke's Tripp Trapp chair, are clustered around a table lit by a pendant lamp by Coco Flip Design Studio.

In the 2EM lounge, light fare like duck confit cassoulet and flatbread with lamb, blue cheese, and caramelized pears is served. Beacon-based vendor Niche Modern crafted the chandelier above the bar, and the stools come from Rexhill. A major philosophy of the Roundhouse is “keep it local.” Photo by Eric Laignel.

Tom Dixon’s Copper Shade pendant lamps reflect his background in metalwork.

Named after explorer Claude Bernard and anthropologist Claude Levi-Strauss, Annika Frye's rotomolded Claude lamps are made by fitting polymer plaster into a spinning mold. The seams and irregularlities of the process are visible on each pendant.

MAYA PENDANT LAMP Maya, a modular Mermelada Estudio design, is a hexagonal, powder-coated, folded-steel pendant lamp that can be used alone or in a cluster to form a honeycomb of light. Almerich, based in Valencia, produces them in six colors.

Above the sink in the kitchen, you can see one of Bocci’s first 57 chandeliers. Photo by José Mandojana.

The Alien pendant light with red cord is by Constantin Wortmann for Next Design.

Dotted Lines Pendant Lamp by Tandem Made “Made by a husband-and-wife duo in Minneapolis, it’s a beautiful light crafted from bent aluminum. It’s powder coated, and comes in black and white. The could makes a wide range of products, too.”

The living room in the original house has Victorian details, but the furniture—vintage Bertoia chairs, a Gloss floor lamp by Pablo Pardo, and a Norm 03 Steel Pendant Lamp by Normann Copenhagen—brings the look up to date.

Vila D’Acosta-Calheiros hung a space-saving wall shelf in the library. The table is by Eero Saarinen; the Tolomeo lamp is by Michele de Lucchi for Artemide. The red beanbag-like Sacco chair is by Zanotta, as is the Sciangai coatrack in the hall, beyond.

Mosaic tiles are classic without feeling staid, especially when styled with the right finishes.