House in Shiraiwa Prif Swyddogaeth: Preswylfa by Tsukasa Okada - 2id Architects

House in Shiraiwa Prif Swyddogaeth: Preswylfa by Tsukasa Okada - 2id Architects is a highly esteemed winner of the very prestigious 2020 Gwobr Arian A' Design Award in Pensaernïaeth Competition Category.

ArianPensaernïaeth· 2020

House in Shiraiwa Prif Swyddogaeth: Preswylfa

by Tsukasa Okada - 2id Architects

Client: 2id Architects

Gwobr Arian A' Design Award Winner in Pensaernïaeth Category

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The Design

About House in Shiraiwa Prif Swyddogaeth: Preswylfa

Testun y Llyfr: Mae Tŷ yn Shiraiwa yn breswylfa a adeiladwyd ar lethr mynydd yn Hamamatsu, Japan, wedi'i amgylchynu gan blanhigfa fandarin. Rhennir yr ardal fewnol yn gyfartal rhwng gofod dan do a gofod lled-awyr agored. Mae ystafell fyw fawr yn cefnogi cyfathrebu rhwng aelodau'r teulu, tra bod yr ystafelloedd eraill yn cael eu cadw'n fach. Mae pergola yn gorchuddio'r hanner lled-awyr agored ac yn ffurfio parth clustogol rhwng yr ystafell fyw a'r dirwedd. Gosodwyd manylion y pergola trwy efelychiad heulwen, ac mae ei holltau yn taflu cysgodion cyfnewidiol ar y waliau. Mae'r waliau wedi'u gorffen mewn morter crafedig gyda charreg wen leol wedi'i malu.

The Recognition

About the Gwobr Arian A' Design Award

Mae House in Shiraiwa Prif Swyddogaeth: Preswylfa yn enillydd Gwobr Arian A' Design Award, cydnabyddiaeth hynod fawreddog a roddir i ddyluniadau o'r radd uchaf, hardd a thrawiadol. Mae enillwyr Arian yn weithiau tra disglair a hynod greadigol sydd yn darlunio arbenigedd, dawn a chraffter rhagorol eu dylunwyr. Disgwylir i House in Shiraiwa Prif Swyddogaeth: Preswylfa fod yn waith gwych ac esiampl, yn nodedig o broffesiynol ac yn ddwfn arloesol. Mae'r dyluniad buddugol hwn o Wobr Arian A' Design Award yn ddyfais hynod nodedig a edmygir sydd yn elwa ac yn symud ymlaen ffiniau celf, gwyddoniaeth, dylunio a thechnoleg. Mae House in Shiraiwa Prif Swyddogaeth: Preswylfa yn greadigaeth y cenfigennir wrthi yn eang, sydd yn deffro dyheadau, yn cyflwyno teimladau cadarnhaol ac yn cynnau rhyfeddod a syndod.

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