Machiya Office


  • Design: SATOH Hirotaka Kashihara Toru (co-design)
  • Site: Kamikata Town, Murakami City, Niigata Prefecture
  • Structure: steel frame
  • Use: office
  • Site area: 350.51m2
  • Building area: 107.28m2
  • Total floor area: 189.02m2
  • Completion: 2007.04
  • Structural design: Taro Yokoyama / LOW FAT structure
  • Construction: Fukuda-gumi
  • Photo by Koichi Torimura
  •      SATOH Hirotaka
  • Owner:Hirayama Electric Company


  • D & AD Award 2008 (UK) Yellow Pencil (Gold Award)
  • Japan Architects Association 2009
  • Architectural Institute of Japan / Hokuriku Architecture Award 2009


The site is the town house of Mima, a town house with a remnant of a castle town in the modern era. It is an office that serves as a base for offices dispersed in the region, and its function as a face was required for architecture.
As an architectural feature, a stairwell named “Street Garden” runs through in the depth direction. Light coming in from the skylight fills the street and bounces against the white walls, softly illuminating each room. In addition, the ventilation window of the skylight effectively discharges the rising hot air to the outside.
Each room is located on the upper and lower floors facing the street garden. The street garden and each room are divided into smooth curved volumes by mullion pillars. The shape is obtained by approximating the unevenness caused by the required area of ​​each chamber by a curve in a plan view, and the vertical direction is inclined to control the blow-out area. As a result, the street garden is wrapped in a dynamic curved surface, and its bulge is a place for spontaneous exchange between people inside and outside the company.
The exterior walls were made of black non-burnable wood and the mullion pillars were made from local cedar in connection with the project to restore the town block called Kuro-Fen Dori.

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