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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.

Daylight House in Kanagawa, Japan by Takeshi Hosaka Architects

 
September 25th, 2011 by Sumit Singhal

Article source: Takeshi Hosaka Architects

This is a house in which residents live under natural lighting from the sky. The site is five minutes walk from the railway station, and it is surrounded by a mixture of detached dwellings and 10-floor condominiums and office buildings. In this location nested in a valley between buildings, the light streaming down from the sky above felt precious. A couple with two children planned to build their home in this spot.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

  • Architects: Takeshi Hosaka Architects
  • Project: Daylight House
  • Location: Kanagawa, Japan
  • Structural engineering:Hirofumi Ohno
  • Photography: Koji Fujii / Nacasa&Pertners Inc.
  • Client: Keigo Nishimoto
  • Exact definition of the building: a couple and 2 chirdren (boy & girl)
  • Construction nature: wooden-structure

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

  • Site: 114.92 m2
  • Building area: 73.60 m2
  • Floor area ratio: 85.04 m2
  • Building height: 5388 mm
  • No. of floors: 2F
  • Building function: house
  • Design: February 2010 – April 2011
  • Planning start (M/Y): February  / 2010
  • Beginning of construction: September / 2010
  • Completion: March    / 2011

 

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

The building was structured by laying a basic grid (approx. 1500mmx1600mm) over the site, and using a the volume of a single high-ceilinged room with a bedroom, kids’ room and study partitioned off using fittings approximately half the height of the ceiling. The expanse of the entire ceiling can be felt from any room.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Light from 29 skylights (approx 700mm square) installed in the roof illuminate the room as soft light diffused through the curved acrylic ceiling plates. The direct light falling from the clear square skylights cuts a distorted square image on the curved acrylic ceiling. At the same time, the entire curved acrylic ceiling is uniformly lit with white light by selecting the distance between the skylights and the curved acrylic ceiling, their size, the color of the acrylic and the color of the interior panels after studying models and mockups to achieve the desired effect. There is an air space between the acrylic surface and the roof, and forced air is used to eject air heated by the sun in summer out of the building, while movement of the air is stopped in winter to use the air layer as a thermal buffer to ensure the thermal environment indoors is stable.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Upon entering the building, there is so much light from the sky that it is hard to believe that the site is nested in a dark valley created by buildings. This house was named “Daylight House.” Daylight does not simply indicate light from the sun, but refers to the beautiful light throughout the day. The day begins with the rising sun, which then falls and sets, followed by the rising moon which gradually wanes until it is replaced by the rising sun the next day. The house provides a rich experience of the beauty of the light over 24 hours.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

Image Courtesy Koji Fujii / Nacasa&Pertners Inc.

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Category: House

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