Cashew Garden House Vietnam Architecture by G+ Architects

A Sustainable Retreat on the Edge of Nam Cat Tien National Park

The Cashew Garden House, designed by G+ Architects, is a unique residential retreat and small-scale homestay located in southern Vietnam, adjacent to Nam Cat Tien National Park. With a total building area of 261,558 m² on a 1,000-square-meter plot, the project prioritizes minimal ecological impact, fully preserving 26 native cashew trees. This design approach creates a seamless dialogue between architecture and nature, embodying the essence of sustainable living and low-impact design.

Design Strategy and Architectural Concept

From the early stages, G+ Architects committed to the Zero Deforestation principle, adjusting the master plan multiple times through on-site surveys to avoid disturbing tree roots. The building adopts a decentralized volume, breaking down its massing into smaller, human-scaled units. A staggered arrangement of sloping roofs and varied wall heights helps the structure blend into the surrounding cashew forest, giving the impression of an organic form growing out of the landscape.

Climate-Adaptive Features and Natural Integration

The Cashew Garden House leverages climate-responsive design to harmonize with its tropical environment. The east-facing balcony is elevated to capture gentle morning light, while the west side remains lower and shaded by mature trees, reducing solar gain during peak heat. At the heart of the layout, a central pool serves as both a visual focal point and a functional element that regulates the microclimate, enhances biodiversity, and connects the living, dining, and homestay spaces.

Use of Local Materials and Traditional Craftsmanship

Material selection reflects a deep respect for local resources and traditions. Recycled wood, reclaimed terracotta tiles, raw stone, and unpolished plaster form the building’s tactile palette. Skilled carpenters from Binh Thuan Province led the construction process, employing traditional mortise and tenon joinery to repurpose salvaged materials into durable, functional elements. Physical 1:1 models were used to overcome communication barriers and ensure that every detail of the design was executed with precision and cultural sensitivity.

Sustainability and Performance Results

Six months after completion, environmental monitoring confirmed the house’s success as a low-impact, high-performance structure. Indoor temperature and humidity levels remained stable without reliance on extensive mechanical systems. Minimal insect intrusion and thriving vegetation highlighted the project’s positive impact on local biodiversity. For the owners, the Cashew Garden House has achieved its vision of “enjoying life in the embrace of nature,” becoming a lasting example of sustainable architectural design.

A Model for Future Eco-Friendly Architecture

By prioritizing nature-first planning, the Cashew Garden House illustrates how architecture can coexist with ecosystems while offering comfort and modern amenities. Its decentralized design, recycled materials, and respect for the existing landscape make it a blueprint for future residential projects in ecologically sensitive environments.

All the photographs are works of Quang Dam