Komazawa Daigaku Чыгуначная станцыя by Uds Ltd.

Komazawa Daigaku Чыгуначная станцыя by Uds Ltd. is a highly esteemed winner of the very prestigious 2026 Срэбная прэмія A' Design Award in Дызайн архітэктуры, будынкаў і канструкцый Competition Category.

СрэбраАрхітэктура· 2026

Komazawa Daigaku Чыгуначная станцыя

by Uds Ltd.

Client: UDS Ltd.

Срэбная прэмія A' Design Award Winner in Архітэктура Category

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Verified Award Winner

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The Design

About Komazawa Daigaku Чыгуначная станцыя

Комадзава Дайгаку — гэта абноўленая чыгуначная станцыя, размешчаная пад паркам Комадзава ў раёне Сэтагая, Токіа. Канцэпцыя «Пад паркам» разглядае падземны вестыбюль як карані, а будынкі выхадаў — як сімвалічныя дрэвы. Кампаненты станцыі згрупаваны паводле трох часавых маштабаў: пастаянныя земляныя канструкцыі, старэючыя дрэвы і абнаўляльнае лісце. Існуючая плітка і падлогі з тэраца былі захаваны для памяншэння адходаў, а таксама выкарыстоўвалася айчынная драўніна. Металічнае пакрыццё столі стварае эфект рассеянага святла, нібы праз лістоту. Лаўкі і стойкі запрашаюць людзей адпачыць і сустрэцца.

The Recognition

About the Срэбная прэмія A' Design Award

Komazawa Daigaku Чыгуначная станцыя — пераможца Срэбнай прэміі A' Design Award, надзвычай прэстыжнага прызнання, якое прысуджаецца дызайнам вышэйшага класа, цудоўным і ўражальным. Срэбныя пераможцы — гэта надзвычай бліскучыя і вельмі творчыя працы, якія ілюструюць выдатную кампетэнтнасць, талент і праніклівасць сваіх дызайнераў. Чакаецца, што Komazawa Daigaku Чыгуначная станцыя — гэта цудоўная, паказальная праца, надзвычай прафесійная і глыбока інавацыйная. Гэты дызайн, што атрымаў Срэбную прэмію A' Design Award, — вельмі значнае, вартае захаплення вынаходніцтва, якое прыносіць карысць і пашырае межы мастацтва, навукі, дызайну і тэхналогій. Komazawa Daigaku Чыгуначная станцыя — гэта твор, якому шмат хто зайздросціць, што абуджае жаданні, дорыць пазітыўныя пачуцці і запальвае здзіўленне і захапленне.

Behind the Design

Press Kit

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

Unique Properties: This project's uniqueness is its "Under the Park" concept, which creates a consistent narrative for the entire space: the underground concourse is envisioned as the town's "roots," and the buildings as "symbolic trees." Furthermore, a unique design methodology redefines the station via three timescales: "permanent earthworks," "aging Trees," and "renewing leaves." This presents a new vision for an adaptable station designed to be loved long-term.
Dimensions & Packaging: Total Floor Area:
Underground Station Concourse: Approx. 6,500 sqm (RC structure, 2 floors below ground)
East Exit Building: 564.34 sqm (RC structure, 4 stories above ground)
West Exit Building 1: 398.58 sqm (Steel structure, 2 stories above ground)
West Exit Building 2: 346.80 sqm (Timber and partial RC structure, 4 stories above ground, 2 floors below ground)
Tags: Renovation, Station, Sustainability, Timber, AdaptiveReuse, Narrative, PublicSpace, Biophilic, Placemaking, Tokyo
Production Technology: This project’s realization is driven by sustainability. We minimized waste by preserving existing tiles and terrazzo floors, while using domestic timber for its warmth and environmental benefits. The West Exit building, in a fire protection district, pioneers advanced timber tech like LVL fire-resistant coating and a two-way rigid-frame structure (rare in Japan). A special metallic ceiling coating creates a unique komorebi (dappled sunlight) effect.
Design Challenge: Our greatest challenge was maintaining the consistency of the "Under the Park" concept across a four-year project with diverse work areas and many stakeholders. Amidst fragmented on-site decisions, our "Earthworks, Trees, and Leaves" design guideline served as the core guiding principle to return to. Additionally, realizing a timber station building in a fire protection district was a major external challenge, requiring us to overcome strict legal regulations and technical constraints.
Research: This practical research aimed to translate the given "Under the Park" concept into a sustainable space, creating new value for aging infrastructure. Our methodology was to develop the "Earthworks, Trees, and Leaves" model, which classifies station components by three timescales. Based on this model, we selected materials and composed the space, prototyping advanced timber technology in one building. The expected social impact is increased user dwell time, fostering affection for the station.
Inspiration: The primary source of inspiration for this project is its very location: "under Komazawa Park." We were strongly motivated by the desire to transform the aging, inorganic underground space—a place people have used daily for over 45 years—into a more comfortable and cherished environment. Therefore, we placed the "park," a quintessential landscape shared by all local residents, at the core of our concept. We envisioned that just as the trees in the park extend their roots underground to support their lush forms above, the station could also become like a living organism—absorbing, nurturing, and radiating the town's vitality. This poetic vision of "Under the Park" became the driving force behind the entire design.
Project Duration: This project was implemented at Komazawa-daigaku Station in Setagaya, Tokyo, as the first phase of the "Green Under Ground" renewal project by Tokyu Railways Co., Ltd. The schematic design phase began in August 2020, and the overall construction period for the station runs from July 2020 to March 2025. Completion is on April 1, 2025.
Operation Flow: Visitors are guided by the "Symbolic Tree"-like station buildings into the "Under the Park" world. Descending warm, trunk-like staircases, a space unfolds resembling the roots of a park, seemingly bathed in dappled sunlight. This functions not merely as a path to the trains, but as a "garden" for people to spend time as they wish. Intentionally placed benches and counters invite users to linger, meet or rest, generating a new, personal interaction with the station itself.
Team Members: Designer: Keiichi Ito
Designer: Yayoi Sato
Designer: Seshiro Honda
Graphic Designer: Yutaro Sakurai
Image Credits: Image #1 : TOKYU CONSTRUCTION CO., LTD., 2025
Optional Image #1 : Photographer Shinsui Ohara, 2025
Optional Image #2 : Photographer Shinsui Ohara, 2025
Optional Image #3 : Photographer Shinsui Ohara, 2025
Optional Image #4 : Photographer Shinsui Ohara, 2025
Optional Image #5 : Photographer Shinsui Ohara, 2025