L Company Guest House by Keiji Harada is a highly esteemed winner of the very prestigious 2026 Golden A' Design Award in Architecture, Building and Structure Design Competition Category.
GoldArchitecture· 2026
L Company Guest House
by Keiji Harada
Client: Harada Keiji Design Office
Golden A' Design Award Winner in Architecture Category
Verified Award Winner
Verify Award Status for #175686The Design
About L Company Guest House
This architectural and spatial design project was commissioned by L Company, a diversified enterprise active in hospitality, real estate, and lifestyle services. The project involved developing a guesthouse with a welcoming hall, meeting rooms, and accommodations. Each space was designed with attention to functionality and user experience, ensuring clarity, comfort, and ease of use. The spatial composition reflects a balanced approach, integrating practical needs with visual order. The layout creates a calm, efficient environment aligned with the company's philosophy and quality commitment.
The Recognition
About the Golden A' Design Award
L Company Guest House is a Golden A' Design Award winner, an immensely prestigious recognition granted to first-rate, marvelous, and outstanding designs. Golden winners are exceedingly innovative, visionary, and glamorously dazzling creations that reflect the prodigy, wisdom, and prowess of their designers. L Company Guest House is expected to be a highly praised, trendsetting, and monumental invention that delivers unprecedented value. This Golden A' Design Award-winning design is a spectacular, respected project that highly benefits and advances the boundaries of art, science, design, and technology. L Company Guest House creates intense feelings of desire, evokes passion, encourages creativity, and fascinates us.
Interviews
Design Interview
What is the main principle, idea and inspiration behind your design?
The main idea behind this project was to create a calm and immersive spatial experience through light, materiality, and sequence. I aimed to balance openness and privacy while allowing architecture and interior space to feel naturally connected.
What has been your main focus in designing this work? Especially what did you want to achieve?
My main focus was to create an atmosphere of quiet luxury without relying on excessive decoration. I wanted the users to experience comfort, calmness, and spatial depth through proportion, light, and carefully selected materials.
What are your future plans for this award winning design?
I hope this project will continue to be appreciated as a timeless space that ages beautifully over time. I would also like it to contribute to future hospitality and residential design projects internationally.
Grand Interview
The welcome hall of the L Company Guest House features an extraordinary expanse of marble flooring where the veining flows uninterrupted across the entire surface, creating one of the most visually commanding arrival experiences in contemporary hospitality architecture. What was the decision-making process behind selecting and positioning the marble slabs for the L Company Guest House so precisely, and how did that singular material gesture come to define the overall sensory atmosphere of the entire property?
The welcome hall is the first point of dialogue between the visitor and the architecture, and I considered it an important space for communicating the values and identity of the company.For the marble flooring, we carefully selected and positioned each slab so that the natural veining would flow continuously across the entire space. Achieving this continuity was not an easy process, but I believed that the resulting sense of movement and scale would create a powerful impression.The uninterrupted marble pattern was intended not only as an aesthetic gesture, but also as a symbolic expression of the company’s dynamic business strategy and expansive vision. Rather than emphasizing luxury alone, the marble establishes a calm sense of dignity and creates the atmosphere that defines the entire property.
Architects and interior designers around the world continue to wrestle with the challenge of transforming physically constrained spaces into environments that feel generous and alive, and the L Company Guest House stands as a compelling architectural response to exactly that dilemma. How did the low ceiling heights and the confined spatial conditions of the L Company Guest House ultimately reshape your understanding of what architectural limitation can mean in practice, and in what specific ways did those very constraints become creative catalysts rather than purely technical problems to be solved?
Every architectural project contains limitations, and this project was no exception.One of the primary challenges was the relatively low ceiling height and spatial constraints. Instead of treating these conditions as disadvantages, I chose to emphasize horizontal continuity, material richness, and visual depth.This approach allowed the spaces to feel calm, comfortable, and generous despite their physical limitations. The constraints ultimately encouraged deeper design thinking and became creative opportunities rather than technical obstacles.
The exclusive use of natural materials throughout the L Company Guest House, from marble floors and walls to traditional Japanese plaster ceilings and solid wood and genuine leather furniture, represents a commitment to material authenticity that carries significant implications for how hospitality environments affect human wellbeing at a psychological level. In what way do you believe the consistent and uncompromising language of natural materials in the L Company Guest House contributes to the deeper comfort of international business visitors, and what does this approach ultimately reveal about the relationship between material honesty and the true spirit of hospitality?
People intuitively perceive the authenticity of materials, even without consciously recognizing it.Natural stone, wood, leather, and traditional plaster possess a warmth and honesty that cannot be replicated by artificial alternatives. I believe these authentic materials create a sense of comfort that transcends language and cultural differences.For international guests visiting Japan, the consistent use of natural materials provides a subtle but meaningful experience of calmness and trust. In my view, true hospitality is not expressed through decoration alone, but through the sincerity and integrity of the materials that surround people.
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- This architectural and spatial design project was commissioned by L Company, a diversified enterprise engaged in various business ventures. The guesthouse, owned by the company, features a welcoming hall, meeting rooms, and accommodation spaces, all designed to offer a serene and refined environment for visiting guests.
- Dimensions & Packaging
- Structure Type:
Reinforced concrete (RC) structure with one basement level and three stories above ground.
Floor Areas:
Basement: 300 m2
1st Floor: 737 m2
2nd Floor: 522 m2
3rd Floor: 146 m2
Total Floor Area:
1,705 m2 - Tags
- Architectural design, interior design, spatial design, guesthouses, conference rooms, halls
- Production Technology
- A particular highlight is the grand design of the welcome hall's flooring, where the dynamic, uninterrupted veining of the marble flows seamlessly across the space, creating a powerful and majestic impression. This striking feature sets the tone for the entire property, where only natural materials have been used. Floors and walls are finished with elegant marble, ceilings are coated in traditional Japanese plaster, and all furniture is crafted from solid natural wood and genuine leather, evoking a refined and timeless atmosphere.
- Design Challenge
- A key challenge in this project was the careful selection of natural materials. The thin layers of traditional plaster required repeated and meticulous base preparation to prevent cracking. Solid wood was prone to warping depending on environmental conditions. For the leather elements, only the highest-quality sections with minimal blemishes or discoloration were used. Despite the difficulty in sourcing such materials, the resulting space is one of exceptional warmth, quality, and presence.
- Research
- In every project we undertake, we carefully consider the unique characteristics of the location and all relevant conditions to propose a design that best meets the client's needs. For this project, positioned as a guest house for business use, our aim was to create an atmosphere where guests can feel at ease - free from tension - as if they were experiencing a scene from a serene resort. The design is intentionally simple yet dynamic, evoking a sense of calm sophistication.
- Inspiration
- This project began as a challenge to overcome strict architectural limitations. As a guesthouse welcoming international visitors, the low ceilings and confined atmosphere posed a design dilemma. By embracing simplicity and using dynamic materials, I aimed to transform the space - creating a sense of openness, elegance, and vitality despite its physical constraints.
- Project Duration
- This project was carried out in Fukuoka City over a period of two years starting from 2022.
- Operation Flow
- Upon arrival, guests are struck by the profound sense of gravitas and refined aesthetics that define the facility.
This impression is soon deepened by the sincere hospitality of the staff, whose service reflects unwavering dedication to comfort and care.
Guests may momentarily wonder whether their visit is for business or leisure, as they are gently enveloped in an atmosphere of calm and distinction.
This is not merely a place to stay; it is a guesthouse where the ordinary is gracefully transcended. - Image Credits
- Aii Images:photographer Toshihisa Ishii （Blitz Studio）2023
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