Facade Contractor: seele (S) PTE and se-austria GmbH & Co. KG
Facade consultant: Arup
Client: Prada
Architect: Prada
Image credits: © seele
In the heart of Singapore’s renowned Orchard Road, the Prada Shop at ION Orchard stands as a compelling example of how engineering ingenuity can redefine architectural expression. Delivered by seele, the project transforms a traditional retail façade into a unified, sculptural system where structure and design become inseparable.
At first glance, the façade captivates with its elegant triangular geometry—an evolution of Prada’s recognizable diamond motif. Unlike many luxury storefronts in Southeast Asia, which typically rely on layered façades combining a structural base with decorative overlays, this project breaks with convention. Here, both layers are fused into a single system. The structural grid itself forms the visual identity, achieving a timeless architectural statement that goes beyond changing trends.
Engineering Beyond Constraints
Behind this striking appearance lies a significant technical challenge. The building sits above an underground MRT station, meaning the façade could not transfer its weight into the floor slab. Initially, the concept relied on suspending the façade using spring-loaded brackets. However, late-stage discoveries about increased structural movement rendered this solution impractical.
In response, the engineering team developed an entirely new structural concept within just one week. The façade was reimagined as a freely spanning system, suspended from only four columns and extending up to 20m —including curved sections. This bold approach retained the original design intent while resolving complex structural requirements under tight time constraints.
To validate the new system, engineers conducted extensive iterative analyses, running dozens of design studies and evaluating multiple load cases. Advanced modelling and non-linear simulations ensured that the façade could perform safely while maintaining its delicate visual proportions.
Innovation Through Simplification
Despite its complexity, the project also demonstrates the power of simplification. The original design included highly intricate geometries, such as Bézier curves and custom-formed glass shapes. These were carefully optimized into more manufacturable circular and straight geometries, improving feasibility and reducing cost without compromising the design vision.
Similarly, the façade concept balances performance with practicality. Instead of relying entirely on complex insulated glazing, the design combines a large opaque, highly insulated double-skin area with a smaller transparent section. This approach achieves sufficient thermal performance for Singapore’s warm climate while avoiding unnecessary manufacturing complexity and delay.
Collaboration Under Pressure
The entire project was delivered in just 9.5 months—from engineering to installation, requiring an exceptional level of coordination. Teams across Singapore, Austria, and Italy worked simultaneously, holding daily intercontinental coordination meetings.
Interestingly, the team adopted a pragmatic approach to collaboration. Rather than relying solely on traditional BIM workflows, which proved too slow for the fast-paced program, they developed shared 3D models and integrated planning tools to maintain efficiency and control.
A Sustainable and Future-Oriented Approach
Beyond its engineering achievements, the façade also reflects a commitment to responsible design. Material efficiency was maximized through structural optimization, reducing material usage while maintaining performance. The façade components were designed for disassembly, enabling future recycling and supporting circular construction principles. Sustainable sourcing also played a key role, with certified materials and energy-efficient production processes contributing to the project’s environmental performance.
Architecture as Experience
Ultimately, the façade does more than meet technical requirements—it shapes the urban and interior experience. Its soft curves create a seamless transition between neighbouring retail spaces, while the transparent areas offer inviting views into the store. Inside, the façade contributes to a calm and comfortable environment by attenuating noise and supporting a controlled indoor climate.
Setting a New Standard
The Prada Shop at ION Orchard demonstrates how integrated design thinking can elevate façade engineering to a central architectural driver. By combining structural innovation, manufacturing intelligence, and collaborative execution, the project sets a new benchmark for retail façades.It is a reminder that true innovation is not only about complexity, but about clarity: reducing systems to their essential elements while achieving both technical excellence and enduring design quality.
