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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

A’ House in Tokyo, Japan by Wiel Arets, Satoru Umehara, Alex Kunnen

 
February 12th, 2015 by Sumit Singhal

Article source: Wiel Arets, Satoru Umehara, Alex Kunnen

This compact private residence is nestled within the dense expanse of Tokyo, in Nishi-Azabu—a neighborhood characterized by narrow streets and traditional low-rise houses—which borders a park heavily visited during the spring, when the city’s cherry trees begin to bloom. Its 136-square-meter area consists of five horizontally divided spaces, each connected by a minuscule sculptural spiraling staircase that, given the footprint of the house, allows for loft-like spaces within its intimate confines. Oversized windows punctuate the house, each with two layers of glazing; one is transparent and one is of the same relief glass that wraps the façade. These oversized windows, with their dual layers of glazing, can be countlessly reconfigured, to regulate the interior flow of daylight.

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

  • Architects: Wiel Arets, Satoru Umehara, Alex Kunnen
  • Project: A’ House
  • Location: Tokyo, Japan
  • Photography: Jan Bitter
  • Size: 136 m2
  • Date of design: 2007-2009
  • Date of completion: Autumn 2014
  • Collaborators: Jörg Lüthke, Jean-Jacques Jungers, Sadamu Shirafuji, Ilze Paklone
  • Client: Arets-Sijstermans
  • Consultants: Tai Mikio Architect & Associates, LOW FAT Structure INC, EOS plus Co. LTD, Comodo Co. LTD, Oskomera Group BV, Saint Gobain Glass, Eiger Co. LTD

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Both the transparent and relief glass of the house’s windows slides on tracks, which extend to double the width of each, for unobstructed views. They also extend to the floor, to ensure that the house remains responsive to passing street life. When closed, they cloak the house within an iridescent texture. On the ground floor, one of these windows serves as the main entry, and slides open to reveal the kitchen. Each level has a different program: the lowermost consists of storage and technical spaces; the lower two bedrooms, permeated by daylight via sliver windows that span the full length of the house, at street level; the kitchen and dining room occupy the ground floor; the living room the first; and the uppermost a master suite, with a wooden of uro.

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

A small terrace is attached to the master bedroom, yet it is expansive, relative to the house’s size. Its northeastern wall is composed of the same textured glazing that shields the house’s windows, except that there is no layer of transparent glass behind it, as the terrace is completely open to the exterior elements. When retracted, a balustradeless view toward the park suddenly appears. When closed, the view is obstructed, which introverts the terrace and imparts privacy within this publicly exposed level of the house. Conversely, the southwestern wall of the terrace is also the pinnacle of the house’s textured façade, into which a cut was created to introduce ample interior daylight to the master suite. The cut left a void in that wall of the terrace, which in turn created an enveloping exterior space, roofed only by the sky.

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Due to the house’s slender site, a fold was created along its southern façade, angled so that it retreats from the street-site boundary at ground level; it provides just enough space for a Smart car. Subtly bold when seen from afar, the house blends into its context. And when all of its windows are opened, or when a combination of several are open and closed, the house morphs to expose its kaleidoscopic qualities to the neighborhood and its residents. Structurally, it is composed of concrete, and is earthquake proof in accordance with stringent local regulations. Centrally sited within Tokyo, with the possibility to turn toward the city, or retreat into itself, all in multiple configurations; A’ House is an idiosyncratic private residence engaged in a continual dialogue with its traditional context, which simultaneously anticipates the future.

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Jan Bitter

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

Image Courtesy © Wiel Arets, Satoru Umehara, Alex Kunnen

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Category: House

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