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BYACCA(ビャッカ)は東京/広尾と熊本/天草の二拠点で活動する建築デザイン事務所です。

日本国内の様々な地域で家具やインテリア、個人住宅から公共性の高い建築まで幅広い分野の仕事を手掛けています。

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Residential Design

Everyone has different priorities and lifestyles when it comes to housing. We will listen carefully to your requests and, as experts, suggest the ideal home. Whether you are thinking of building your first home or a second home, please feel free to contact us for new construction or renovation.

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Architectural Design

We design buildings for a variety of uses, including stores, offices, accommodation facilities, and welfare facilities. We aim to create comfortable architecture that is not only beautiful, but also takes into consideration people's movement and the surrounding environment. We value our clients' thoughts and ideals and propose optimal solutions even for difficult conditions.

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Interior/Product Design

From interior design to total interior coordination, furniture and products, by incorporating the intent of design into everything related to the space, we can create a high-quality space where comfort and appeal coexist.

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Project/Area

Management

We will assist you in planning the utilization of vacant houses and existing buildings and area management to bring vitality to the local area. Through dialogue and on-site investigations, we will look for methods that will truly benefit the local area in the long run, rather than just have a one-off effect.

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landscape

design

The landscape is part of the architecture, and the architecture is part of the landscape. We interpret the elevation difference of the terrain and design the landscape while taking into consideration the user flow and sequence. We help create a "place" that values the unique atmosphere of the land.

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Branding Kit_edited_edited_edited.jpg

graphic

design

Graphic design visually expresses concepts and brand images and conveys messages. Graphics can also be directly incorporated into architectural spaces. For interior and exterior design, it is an element that enhances the appeal and functionality of the space.

BYACCA's designs are a combination of logic and a desire for beauty. Rather than creating shapes based on intuitive ideas, we aim to create something beautiful by gradually accumulating evidence-based decisions. We believe that our multifaceted thinking based on a desire for beauty is the reason we can go beyond the boundaries of "things and things" and provide designs that are attentive to every detail.

WORKS
Works

WORKS

脈々と受け継がれる人の営みが街並みや風景をつくります。
建築を建てるということは、見慣れた風景に変化をもたらし人々の心象風景となる新たな故郷の景色をつくることに繋がります。人や時代に合わせて更新を繰り返し、そこにしかない価値を引き継いでいく。
それが建築に携わる者の責任だと考えています。

ティン・ウォール

How to proceed with the design

01

Hearing

We will ask you about your requests and conditions.

We can give you specific advice if you let us know information such as the site conditions, budget, expected completion date, etc. Consultations are free of charge.

02

Preliminary research and planning proposals

We will create a rough plan after conducting legal research and confirmation. It will take about two weeks to one month.

* Planning fee: ¥50,000 and up (depending on the scale of construction)

03

Basic Design

Once you are satisfied with the rough plan, we will enter into a design contract. We will determine the floor plan, cross section, elevation, finish, equipment specifications, etc. and create a basic drawing. We will provide a rough estimate if necessary.

04

Detailed design

We will create a set of construction drawings (architectural drawings, structural drawings, and equipment drawings) that are more detailed than the basic design. We will hold meetings about once every 2-3 weeks to finalize the detailed specifications.

05

Estimates and estimate adjustments

We will request an estimate from a construction contractor. We will adjust the amount according to your budget and propose design changes as necessary. Once the details are finalized, we will proceed with the application for building confirmation.

06

Construction contract

After you agree to the construction cost, a construction contract will be signed between the construction company and the customer, and construction will begin. Usually, a construction supervision contract will also be signed at the same time.

07

Construction Supervision

From the start of construction to completion, we check whether the construction is being carried out according to the design drawings. We hold on-site meetings and review and approve the construction drawings submitted by the construction contractor.

08

Completion and delivery

After construction is complete, the building will be completed and handed over after passing through a final inspection by the government, design inspection, and owner inspection. Completion photos will be taken around the time of handover.

09

After-sales service

If you have any problems after delivery, please feel free to contact us.

We will respond flexibly depending on your requests and the content of your project.
Please feel free to contact us even if you have been turned down by other companies.

BYACCA receives many requests through social media and referrals.
Please check our social media for our latest activities.

  • Instagram
About

ABOUT US

Mariko Nishiyama

-Educational background-

Graduated from the Department of Architectural Design, Faculty of International Environmental Engineering, University of Kitakyushu

Completed the Department of Social Engineering, Graduate School of Engineering, Nagoya Institute of Technology

 

-Work history-

Schmid Schärer Architekten (Switzerland)

Hiroyuki Qingdao Architectural Design Office

Terajima Architects, etc.

-Awards-

11th IAHH International Student Design Competition Honorable Mention

Tonica Kitakyushu Architecture Exhibition 2012 Excellence Award

​Lemon Painting Midori Portfolio Review Critique Award

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TOKYO OFFICE: Higashi4, Shibuya-ku, TOKYO

KYUSYU OFFICE:Furukawamachi1-8, Amakusa-city, KUMAMOTO

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