Baptist Student Center Renovation / PHTAA Living Design

Architects: PHTAA Living Design
Year: 2025
Photography: Kukkong Thirathomrongkiat
Client: Baptist Student Center
City: Bangkok
Country: Thailand

PHTAA Living Design has reimagined the Baptist Student Center in central Bangkok, transforming a dated five-storey mixed-use structure into a luminous and inclusive urban landmark. The renovation addressed key issues of poor ventilation, disorganized systems, and an uninviting commercial frontage, reconfiguring the building to reconnect it with its busy urban setting. Drawing conceptual inspiration from the biblical story of Jesus and the fishermen, the design replaces religious symbolism with a subtle architectural metaphor. The façade, constructed from unfinished glass half-blocks, evokes the shimmer of water while allowing natural airflow around the service areas. Through thoughtful detailing and technical experimentation, the project enhances spatial quality, transparency, and accessibility, offering a renewed identity for a spiritual and communal space within Bangkok’s dense cityscape.

I’m especially drawn to the process behind materials, whether industrially manufactured or naturally sourced. Revisiting how a material is made, talking with craftspeople, and exploring its potential often leads us to unexpected outcomes. It’s about rethinking how to use what already exists instead of creating something new that consumes more resources.
Interview with Ponwit Rattanatanatevilai of PHTAA Living Design

Baptist student center renovation / phtaa living design

Located on a prominent corner near a major Bangkok intersection, the Baptist Student Center stands as a renewed symbol of openness and engagement within the city’s tightly woven fabric. The renovation by PHTAA Living Design began with a close reading of the building’s functional and perceptual shortcomings. Previously, the ground level lacked the transparency essential for commercial vitality, while the interior suffered from poor air circulation and a maze of exposed utilities. These deficiencies limited both the building’s usability and its presence in the urban environment.

The architects responded by stripping the structure back to its essentials, introducing a design language that conveys inclusivity and restraint. Rather than overt religious iconography, the design references a passage describing Jesus by the lakeshore, guiding his disciples to cast their nets. This narrative of gathering and generosity is abstractly expressed through material and light. The use of glass half-blocks, typically fused to create standard glass blocks, became the defining architectural element. By fixing these pieces within a steel frame, the façade produces a shifting play of reflections reminiscent of water ripples, a poetic nod to the project’s spiritual underpinnings.

Beyond symbolism, the façade serves practical purposes. It shades the building’s perimeter, screens mechanical equipment on balconies, and improves natural ventilation. The system was first tested through a full-scale prototype at the firm’s own studio, verifying both the structural performance and the visual qualities of the glass assembly. This process-oriented approach allowed the team to refine details collaboratively with contractors, ensuring that the final result balanced technical precision with expressive subtlety.

Through this renovation, the Baptist Student Center evolves from an insular institutional building into a permeable, light-filled environment that welcomes a broader public. PHTAA Living Design’s intervention demonstrates how a careful reinterpretation of materials and metaphors can reconcile faith, architecture, and contemporary urban life within a single coherent design gesture.