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Koji Sakai

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Numata Elementary School / Atelier BNK

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 13

  • Architects: Atelier BNK
  • Area Area of this architecture project Area: 4123.0
  • Year Completion year of this architecture project Year: 2013

Split-Level Homes: 50 Floor Plan Examples

Faced with the challenge of designing homes on terrains with steep slopes - or in compact urban contexts that do not allow much variation in plan - several architects have experimented and proposed split-level homes to enhance the use of space, allowing, among other things, interesting visual perspectives.

These variations can be seen in numerous examples published on our site. Below, we have selected 50 examples that can help you in your next project. 

Systems to Incorporate Natural Lighting in Your Projects

There is nothing more rational than taking advantage of natural lighting as a guarantee to improve the spatial quality of buildings, as well as saving energy. The awareness of the finitude of natural resources and the demands for reducing energy consumption has increasingly diminished the prominence of artificial lighting systems, forcing architects to seek more efficient design solutions. With this goal in mind, different operations have been adopted to capture natural light.

These systems can also guarantee excellent spatial properties if projected correctly. Below we have gathered five essential systems for zenithal lighting.

Itoi Elementary School / Atelier BNK

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 13

Shibetsu, Japan
  • Architects: Atelier BNK
  • Area Area of this architecture project Area: 3893.0
  • Year Completion year of this architecture project Year: 2008

Toyotomi Community Center / Atelier BNK

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 22

Toyotomi, Japan
  • Architects: Atelier BNK
  • Area Area of this architecture project Area: 2641.0
  • Year Completion year of this architecture project Year: 2013

Spiral House / Keikichi Yamauchi architects and associates

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 22

Sapporo, Japan
  • Architects: Keikichi Yamauchi architects and associates
  • Area Area of this architecture project Area: 103.0
  • Year Completion year of this architecture project Year: 2011

Hakodate Jomon Culture Center / Atelier BNK

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 12

Hakodate, Japan
  • Architects: Atelier BNK
  • Area Area of this architecture project Area: 1256.0
  • Year Completion year of this architecture project Year: 2011

White Collage / Keikichi Yamauchi Architect and Associates

© Koji Sakai
© Koji Sakai
Sapporo, Japan
  • Architects: Keikichi Yamauchi Architect and Associates
  • Area Area of this architecture project Area: 119.03
  • Year Completion year of this architecture project Year: 2009

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 31

White Colony / Keikichi Yamauchi Architect and Associates

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 18

Sapporo, Japan
  • Architects: Keikichi Yamauchi Architect and Associates
  • Area Area of this architecture project Area: 397.53
  • Year Completion year of this architecture project Year: 2011

House-K / Keikichi Yamauchi Architect and Associates

© Koji Sakai © Koji Sakai © Koji Sakai © Koji Sakai + 20

Sapporo, Japan
  • Architects: Keikichi Yamauchi Architect and Associates
  • Area Area of this architecture project Area: 192.36
  • Year Completion year of this architecture project Year: 2012