A Family-Centered Sustainable Haven Rooted in Nature

In Melbourne’s suburban landscape, Mahogany House emerges as a thoughtfully crafted multi-generational residence designed by and for its owners—Vish and Gaurav Rajadhyax, co-founders of R ARCHITECTURE. The project exemplifies their studio’s ethos: elevating suburban architecture through design that fuses sustainability, comfort, and family-centric living.

Rear view- Mahogany in foreground
Photo credit: Chris Murray

Entry lobby- welcome view of the pool
Photo credit: Chris Murray

Void with cascading plants
Photo credit: Chris Murray

At the heart of the design is a respect for nature. The floorplan was carefully organized around three existing trees on the property—most notably, a majestic mahogany tree that inspired the home’s name and informs its layout. This tree, along with a silver birch and a liquid amber, anchors the home’s spatial experience and drives a biophilic approach throughout.

Living area
Photo credit: Chris Murray

kitchen
Photo credit: Chris Murray

Stair detailing
Photo credit: Chris Murray

The house is split into two primary volumes, or "pods," flanking a central north-facing courtyard with a swimming pool. The western pod spans two storeys and houses the main living quarters, while the eastern pod is a single-level suite designed for the owners’ elderly parents. This grandparents’ pod includes two bedrooms, a bathroom, and a lounge with kitchenette—providing both connection and privacy, essential to the family’s intergenerational needs. A central lounge links the two pods, creating a transitional zone that offers a framed view of the courtyard and pool—an intentional reveal that underscores the home’s serene and layered atmosphere.

Pool courtyard- Mahogany tree in the backdrop
Photo credit: Chris Murray

Entry lobby- welcome view of the pool
Photo credit: Chris Murray

Parents'bathroom
Photo credit: Chris Murray

Materiality plays a key role in defining Mahogany House’s character. Terracotta shingles—typically used for roofing—are innovatively employed as both wall and roof cladding, tying the home aesthetically to the surrounding foliage. Inside, a palette of natural materials and rich colors infuses warmth and dynamism. Green and plywood cabinetry, leather accents, and bold color walls provide visual interest and reflect the owners’ vibrant taste.

Street view of the house
Photo credit: Chris Murray

Front of the house
Photo credit: Chris Murray

Entry lobby
Photo credit: Chris Murray

Sustainability is woven into every aspect of the design. The home adheres to Passivhaus principles, prioritizing airtightness and energy efficiency. Structural Insulated Panels (SIPs) enhance thermal performance, and the building is “right-sized” to minimize energy waste—delivering comfort without excess.

Son's bedroom
Photo credit: Chris Murray

window seat
Photo credit: Chris Murray

Pool courtyard
Photo credit: Chris Murray

The interiors reflect a lived-in vibrancy, with curved elements and an abundance of indoor plants reinforcing the home’s biophilic sensibility. The house is not only designed for beauty and functionality, but also to support a lifestyle of connection—both to nature and across generations.

R ARCHITECTURE

Vish and Gaurav Rajadhyax co-founded R ARCHITECTURE in 2011, an architecture and interior design practice that embodies their passion for bringing great design to suburban contexts. The practice's mission is to improve access to great design, and to improve the impact of urban development in suburban regions. Good design is achieved at R ARCHITECTURE through carefully balancing affordability, sustainability, liveability, and practicality with aesthetics.