yoshiaki oyabu architects: step well house

yoshiaki oyabu architects: step well house

‘step-well house’ by yoshiaki oyabu architects  all images courtesy yoshiaki oyabu architects image © akira itoh

osaka-based practice yoshiaki oyabu architects has shared with us images of ‘step-well house’, a three-storey private dwelling in a dense residential neighbourhood of japan. situated on a tight and narrow site measuring 4.2m wide by 12m deep, the design inserts a light well that functions as a core for circulation as well as a source of natural sunlight for all levels of the house.

yoshiaki oyabu architects: step well house interior view image © akira itoh

with a sole open face to the north, the residence focuses the majority of its sunlight intake to the back by stretching its height beyond the second-storey structure in the south. a light well measuring 1m x 3m penetrates through all three levels of the house from the ground floor to the ceiling. tempered glass is used to make the feature structurally sound. the south wall of the light well is lined with acrylic mirror and corrugated plastic sheet to ensure a level of transparency and openness for the tight space. this careful selection of materials also maintains visual communication between the family members.

yoshiaki oyabu architects: step well house tempered glass enables the lightwell to be occupied image © akira itoh

on each level, the programs are arranged close to the light well to benefit from the natural daylight. the communal space – living, dining and kitchen –  are placed on the second floor, which sits as an intermediate level with a meter wide gap to the transparent shaft. this facilitates natural cross ventilation and a visual connection to the activities on the third floor.

yoshiaki oyabu architects: step well house looking up through the light well image © akira itoh

yoshiaki oyabu architects: step well house image © akira itoh

yoshiaki oyabu architects: step well house images © akira itoh

yoshiaki oyabu architects: step well house image © akira itoh

yoshiaki oyabu architects: step well house visual connection through the lightwell image © akira itoh

yoshiaki oyabu architects: step well house image © akira itoh

yoshiaki oyabu architects: step well house site map

yoshiaki oyabu architects: step well house section

  • I’m a student of architecture and I find this project just amazing considering the fact that you have such a tight space.
    Keep up the good work

    Cobi
    Aug 06, 2011
  • This is a really beautiful space, love the integration of light into the space. Although different in style, we pulled off some great natural lighting in a home we worked on a while back. Incorporating skylights really opens up a floor plan and it is great to see the shift of light throughout the day. Here’s a link to the [url=http://www.tierraconceptssantafe.com/contemporary] project [/url]

    Santa Fe Homebuilder
    Aug 04, 2011
  • A really successful solution to tight space! Bravo

    Cc
    Aug 01, 2011

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