House in Shiraiwa

Residence for 2id Architects

A house is located in north of Hamamatsu city in Japan, and it is surrounded by mandarin plantation on mountain which is feature of the area.Its space are equally divided into two different sections, Indoor and semi-outdoor space, to get the sense of relationship between nature and inhabitation that has been lost in modernism. The pergola is consisted with complex stripe pattern which gives poetic silhouette changed by angle of sunlight to give users sense of time.

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House in Shiraiwa by Tsukasa Okada

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Residence by Tsukasa Okada

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Tsukasa Okada House in Shiraiwa

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Tsukasa Okada Residence

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House in Shiraiwa Residence Media Articles

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Unique Properties

Its interior space are equally divided into two different sections, Indoor and semi-outdoor space. Large part of the indoor space is allocated to living room to enrich communication between the family, whilst the other rooms are minimized. The other half, semi-outdoor space is covered with pergola surrounding the indoor space. It allows residents to bring their indoor activities into buffer zone between the living room and magnificent landscape whilst they feel sense of local environment.

Tags

Pergola, silhouette, distance, Nature, buffer zone, white stone

Production Technology

Detail design of the pergola was determined by sunlight simulation.Its beautiful silhouette created by slits of the pergola gives wall of the building different characters by each days and seasons.Structurally, diagonal parts of pergola helps to reinforce the pergola as horizontal brace. In terms of materiality, scraped mortar with crashed white rock as a local material are applied to the wall. Although, the wall continues from outside to the inside with same material, each walls have finished by different scraping equipments to soften indoor space.

Design Challenge

This project aims to regain locality in contemporary Japanese house whilst keeping context of modernism. Locality has been often lost in Japanese architecture since thinking in a way of architecture modernism has became general in the society. However, building always sticks to its local, and it can not move like vehicle and machine. Therefore, it is important that reconnecting architecture and its surroundings by a notion of locality such as style, history and material.

Project Duration

The project started in Feb,2017 and finished in Apr 2019 in Hamamatsu, Japan

Operation Flow

Use of the pergola space has not been defined intentionally to keep it flexible and free space changed by user’s imagination. In spite of the fact that it has same amount of space as the one in indoor space, I believe making such a space without specify type of activities is highly beneficial for user’s future living in their local.

Research

Back in the past, Japanese house had many elements to create borderless relationship between in and out. such as Engawa: outer corridor located outside of window but used as the part of indoor space. Additionally, there was unique architectural style in each area in Japan. Nevertheless, it was lost because highly adiabatic and protected house to cope with severe changes of climate has been demanded.

Inspiration

A house is located in Shiraiwa, the area in the north of Hamamatsu city in Japan. It is surrounded by mandarin plantation halfway up the mountain. Its environment having extraordinary view and rich nature allows to design a building by the concept of distance between inhabitation and nature. The house has been formed by two of contradictory senses. One is a sense of openness led by its location looking down valley from slope on the mountain. The other is a sense of security led by the other fact of its location surrounded by mountains, as if it protects the house.

Image Credits

Photographer : Toshiyuki Yano

Project Overview

House in Shiraiwa Residence has been a Silver winner in the Architecture, Building and Structure Design award category in the year 2019 organized by the prestigious A' Design Award & Competition. The Silver A' Design Award celebrates top-tier designs that embody excellence and innovation. This award acknowledges creations that are not only aesthetically pleasing but also highly functional, reflecting the designer's deep understanding and skill. Silver A' Design Award recipients are recognized for their contribution to raising industry standards and advancing the practice of design. Their work often incorporates original innovations and elicits a strong emotional response, making a notable impact on the improvement of everyday life.

Silver Recognition

Tsukasa Okada was recognized with the coveted Silver A' Design Award in 2020, a testament to excellence of their work House in Shiraiwa Residence.

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