Kouunji Kyakuden Reception Hall of Temple by Hiroaki Iwasa is a highly esteemed winner of the very prestigious 2025 Bronze A' Design Award in Architecture, Building and Structure Design Competition Category.
BronzeArchitecture· 2025
Kouunji Kyakuden Reception Hall of Temple
Client: Hiroaki Iwasa Architects Workshop
Bronze A' Design Award Winner in Architecture Category
Verified Award Winner
Verify Award Status for #162806The Design
About Kouunji Kyakuden Reception Hall of Temple
The project was a reconstruction of the 140 years old reception hall, which was one of the facilities of the Buddhist temple Kouunji. The old reception hall had been loved by the local community for a long period; however, due to its severe damage over the years, it needed to go through reconstruction. The architect solved these issues by updating and harmonizing, also devising some systems to pass on the memory of local community to the next generation. As a result, not only did the new reception hall achieve a sense of nostalgia but also a presence in the historical context.
The Recognition
About the Bronze A' Design Award
Kouunji Kyakuden Reception Hall of Temple is a Bronze A' Design Award winner, a highly prestigious recognition granted to outstanding designs distinguished by creativity, ingenuity, and astuteness. Bronze winners are amply skillful and strikingly creative artifacts that authenticate the vast experience, imagination, and resourcefulness of their designers. Kouunji Kyakuden Reception Hall of Temple is expected to be a highly regarded, admired, and cherished object that is notably professional and innovative. This Bronze A' Design Award-winning design incorporates best practices in art, science, design, and technology, and is excellent for its attention to detail. Kouunji Kyakuden Reception Hall of Temple splendidly satisfies needs, touches desires, charms feelings, and appeals to curiosity.
Where to Get It
Holistic Architectural Design Services
We bring 30 years of expertise creating meaningful spaces that awaken the senses. From private residences to cultural facilities, our practice approaches each project with deep insight, crafting environments that honor context while enriching daily life.
Discuss Your ProjectInterviews
Design Interview
What is the main principle, idea and inspiration behind your design?
The principle of my work is to honestly face the situation the project is facing. I believe it is essential to make appropriate judgments about the situation, such as what does the client's situation require? What does the environment need? What should I do now to create a better future, taking history into account?
What has been your main focus in designing this work? Especially what did you want to achieve?
In this project, I focused on finding fragments of the topography, landscape, historical context and background, and local people's memories, and integrating them into a clear architecture that would create a presence within the historical context.
What are your future plans for this award winning design?
The main hall was completed in recent years, so I think it is necessary to consider future facilities along with the other facilities.
Grand Interview
Your innovative approach to preserving the 140-year legacy of Kouunji Kyakuden Reception Hall of Temple while modernizing its functionality is remarkable - could you elaborate on how you balanced tradition with contemporary needs in this reconstruction project?
Balancing tradition and modern function.What I really aimed for was to carry on the memory of the original guest hall while also making it work as a contemporary public space—something that could last another 200 years. A key idea from the start was to create a space that embodies a sense of “quietness,” which I see as the spiritual heart of the temple.The old hall had tilted due to long-term ground movement, so we decided to reinforce the foundation by driving steel pipe piles down to the stable soil layer, ensuring the new structure would remain sound over time.To me, preserving tradition doesn’t mean copying old styles—it means passing on values using today’s technologies. I chose natural materials above ground that will age gracefully over time, while the underground structure is designed to resist future ground shifts.As for the functional side—like the office, kitchen, and utilities—they meet all modern standards, but we kept them tucked away so they wouldn’t distract from the calm, clean look of the main space.That main space is intentionally simple. It’s built from natural materials, uses proportions, shadows, and acoustics to quietly reach people on a sensory level. Designing for “quietness” became the bridge that connected memory and public life.
The harmonious integration of reclaimed materials from the original structure into Kouunji Kyakuden Reception Hall of Temple speaks to exceptional craftsmanship - what specific challenges did you face in rehabilitating and incorporating these historic architectural elements?
Challenges in reusing historical materials.The original hall used high-quality timber that’s really hard to get today, so one of the big challenges was figuring out how to reuse that old wood in a way that was safe and up to current standards.That meant assessing the structural integrity of each piece, reinforcing where necessary, and finding ways to blend traditional carpentry with modern construction techniques. I worked closely with a master carpenter and his young apprentice, and we did everything from hand-cut joinery to delicate repairs.Seeing those skills passed on through the project was deeply meaningful for me. And when we finished, locals naturally gathered around the old pillars and started sharing stories. That’s when I realized this wasn’t just a rebuild—it was an act of carrying forward memory itself.That’s what architecture can do when tradition and technique come together in the right way.
The revival of the traditional natural paint "Kumezo" in Kouunji Kyakuden Reception Hall of Temple represents a fascinating bridge between past and present - could you share the story behind rediscovering this technique and its significance to the project?
Reviving the natural paint “Kumezo”.“Kumezo” used to be a common natural coating for protecting wood, but it faded away when synthetic paints took over. I learned about it through conversations with local craftspeople and from old documents, and we worked together to bring it back.It’s made from a mix of soot and red iron oxide combined with natural preservatives. It’s low-impact environmentally and can be recreated in other places, which gives it broader potential too.But it’s more than just a finish—it gives wood a warm, soft depth that grows richer over time. That gradual change brings a subtle presence to the building and, in a way, became one of the links connecting past to future in this reconstruction.
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- This project was the reconstruction of the reception hall of a Buddhist temple passed 140 years. The old reception hall had been loved by the local community for long time, but it was beyond the scope of repair. Therefore architect took on various creative challenges. He aimed to solve these issues by updating it to modern functions, harmonizing it with other facilities, and devising some mechanisms to pass on the memory of local society to the next generation. As a result, this architecture was able to achieve not a sense of nostalgia but also a presence for the future.
- Dimensions & Packaging
- Specification,
Scale/ Wooden two-story building,
Structure/ Timber frame structure,
Site Area/ 3039.15 Square meter,
Building Area/ 277.26 Square meter,
Total Floor Area/ 323.77 Square meter, - Tags
- temple, reception hall, reused, minimal philosophy, local landscape, passing on the memories, historical context, local community
- Production Technology
- This project had a clear floor plan with each function directly connected around the entrance hall, but there were many difficult construction tasks in some places. Ground reinforcement and strong foundation construction for soft ground, woodwork including special joints to structurally reuse old materials, fabrication of delicate and movable cedar lattices, and the revival of forgotten traditional natural paints "Kumezo". This project was realized through thoughtful design and exceptional craftsmanship.
- Design Challenge
- Various choices and challenges were made to pass on the memory of the local community. By choosing a common wooden house construction method rather than the traditional temple construction method, they were able to shorten the construction period, reduce construction costs, and as the result have time to repair and reuse old materials. The exterior has a roof shape unique to the region, and the walls and window lattices are finished with local cedar wood and with a revived traditional natural paint "Kumezo". As a result, this architecture achieved a special harmony and presence.
- Research
- Type of Research: About the relationship between Kouunji and the local area.
Methodology: History, landscape and topography research, annual event research, monk behavior research, and interviews with local residents,
Conclusion: Kouunji is the core of the local community that people have visited since childhood for events and daily life. The architect concluded that in addition to modernizing the function of the ceremony hall and harmonizing it with other facilities, it was essential to create a mechanism to pass on the memory of the local community to the next generation. - Inspiration
- Researching the old reception hall and the landscape and history of the area provided architect with important inspiration. In particular, the old reception hall was tilted due to the soft ground, but it was discovered that some of the main structures, such as beams and columns, were valuable materials that are currently unavailable, and could be reused if repaired. And new architecture was important not only for its shape in the landscape, but also for its presence within the historical context.
- Project Duration
- The project started in February 2002 and was completed in November 2004 in Tsukubamirai City, Ibaraki Prefecture.
- Operation Flow
- Kouunji is an essential presence for the region.
Because the parishioners of Kouunji are local residents and their relatives, and annual events and celebrations and condolences are mainly held for the parishioners. The reception hall, located to the side of the main hall, functions in conjunction with the main hall during events, and is used for religious ceremonies, waiting areas, dinners using the kitchen function, and a meeting place. It also functions as an emergency temporary evacuation center in the event of a disaster. There is also a temple office that oversees them. - Image Credits
- Photographer Kozo Takayama
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