House in Shiraiwa Elamu by Tsukasa Okada - 2id Architects

House in Shiraiwa Elamu by Tsukasa Okada - 2id Architects is a highly esteemed winner of the very prestigious 2020 Hõbeauhind A' Design Award in Arhitektuuri, hoonete ja rajatiste disain Competition Category.

HõbeArhitektuur· 2020

House in Shiraiwa Elamu

by Tsukasa Okada - 2id Architects

Client: 2id Architects

Hõbeauhind A' Design Award Winner in Arhitektuur Category

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The Design

About House in Shiraiwa Elamu

Shiraiwa maja on elamu, mis on ehitatud mäenõlvale Hamamatsus Jaapanis ja mida ümbritseb mandariinistandus. Sisemine pindala on jagatud võrdselt sisemiseks ja poolvälimiseks ruumiks. Suur elutuba toetab suhtlust pereliikmete vahel, samas kui teised toad on hoitud väiksena. Pergola katab poolvälimise poole ja moodustab puhvertsooni elutoa ja maastiku vahel. Pergola detailid määrati päikesevalguse simulatsiooniga ning selle pilud heidavad seintele muutuvaid varje. Seinad on viimistletud kraabitud mördiga, milles on kasutatud purustatud kohalikku valget kivi.

The Recognition

About the Hõbeauhind A' Design Award

House in Shiraiwa Elamu on Hõbeauhinna A' Design Award võitja, ülimalt prestiižikas tunnustus, mis antakse tipptasemel, suurepärastele ja muljetavaldavatele disainidele. Hõbevõitjad on ülimalt säravad ja erakordselt loovad tööd, mis illustreerivad oma disainerite silmapaistvat kogemust, annet ja teravmeelsust. House in Shiraiwa Elamu peaks olema imeline, eeskujulik töö, mis on märkimisväärselt professionaalne ja sügavalt uuenduslik. See Hõbeauhinna A' Design Award võidudisain on väga tähelepanuväärne, imetletud leiutis, mis toob kasu ning nihutab kunsti, teaduse, disaini ja tehnoloogia piire. House in Shiraiwa Elamu on laialdaselt kadestatud looming, mis äratab soove, tekitab positiivseid tundeid ning süütab hämmastust ja imestust.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

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.
Dimensions & Packaging: Site area: 498m2
Building Area : 109m2
total Floor Area : 218m2
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.
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.
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.
Team Members: Structure Design : TETSURO ADACHI STRUCTURE DESIGN
Image Credits: Photographer : Toshiyuki Yano