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  1. ArchDaily
  2. Projects
  3. Houses
  4. Japan
  5. Koji Tsutsui Architect & Associates
  6. 2010
  7. InBetween House / Koji Tsutsui Architect & Associates

InBetween House / Koji Tsutsui Architect & Associates

  • 00:00 - 28 April, 2011
InBetween House / Koji Tsutsui Architect & Associates
InBetween House / Koji Tsutsui Architect & Associates, © Iwan Baan
© Iwan Baan

© Iwan Baan       © Iwan Baan       © Iwan Baan       © Iwan Baan       + 12

  • Architects

  • Location

    Karuizawa, Japan
  • Project Team

    Koji Tsutsui, Satoshi Ohkami
  • Structural Engineers

    ANARCHItects(CG), Hirotsugu Tsuboi
  • General Contractor

    Sasazawa Construction, Inc.
  • Area

    178.43 m2
  • Project Year

    2010
  • Photographs

Text description provided by the architects. Designed by Koji Tsutsui Architect & Associates the InBetween House is a collection of small mountain cottages situated amongst Japanese larch trees in a mountainous region outside of Tokyo.  A retreat from their busy work in the city, the clients wanted a house that could seamlessly blend into the natural surrounding, topography and local culture.

© Iwan Baan
© Iwan Baan

It consists of five single pitched roof cottages that are clad in the local larch wood siding. Rather than using a complex construction technology, it is built in a traditional Japanese wood construction method so that local builders can skillfully craft each structural wood member. Each cottage varies in size to fit its function and set on site at 30 degree increments to best fit the topography and to face unique views.

© Iwan Baan
© Iwan Baan

All cottage roofs have varying slopes and overhangs that touch the overhangs of adjacent cottages, creating gap spaces between these cottages, a simulacrum of alleys in a city. The triangular “connecting” roofs span between these overhangs to capture these gap spaces as a single fluid public interior space, which serves as a living room or a circulation space and feels like being outside looking at mountains in the distance. Since these connecting roofs bend & fold to connect the cottages at multiple angles & heights, the in-between space result in a spatial & structural warpage.

© Iwan Baan
© Iwan Baan

The design intent of this house is not the final architectural form, but rather, establishing a set of design rules of cottage placements and connections, which allows the house to be freely arranged to satisfy any requirements and adoptable to any future changes or additions, prolonging its building life.

© Iwan Baan
© Iwan Baan

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Cite: "InBetween House / Koji Tsutsui Architect & Associates" 28 Apr 2011. ArchDaily. Accessed . <https://www.archdaily.com/131318/inbetween-house-koji-tsutsui-architect-associates/> ISSN 0719-8884
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