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BIM Architecture Showcase: Hillside Residences by Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

This residence was designed for a young family with three children, covering a building area of 1200 square meters. Situated on a 1600 square meter plot on a rocky hillside in Senggigi, Lombok Island, the site features a steep slope with a height difference of approximately 25 meters between the main road and the property boundary. While the terrain posed a challenge, it also offers breathtaking views of the horizon.

The primary design challenge was to maximize the site’s potential while creating a cozy and intimate home within the expansive and steep landscape.

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

The architect’s approach was to elevate the main building volume to frame an uninterrupted seaside landscape. The design consists of three distinct building volumes: two parallel blocks facing the most scenic views, and a third positioned diagonally to optimize the narrower rear section of the lot.

Between these volumes, a series of outdoor spaces were integrated to enhance movement and create smooth transitions between different functional areas.

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

Due to the steep slope, navigating vertically from the entrance to the highest point of the building required careful planning. The entrance was designed as a cave-like slope, evoking a sense of solidity and welcome.

Upon entering, a semi-outdoor staircase immediately leads to the living room. A family room, positioned between the dining area and bedrooms, serves as a transitional space visually connected to the main study, forming the heart of the home. The journey culminates at a small rooftop chapel, accessible via a landscaped staircase at the rear of the house.

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

One of the main challenges was the intense solar radiation on the west-facing side, which offers the best views. To address this, the building is separated from the rock face by a narrow gap, allowing for effective natural air circulation.

Additionally, composite woven vertical panels are strategically installed at specific angles to filter direct sunlight, reducing heat gain while maintaining the openness of the design.

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

BIM Architecture | Hillside Residences/Wahana Architects

Project Drawings

BIM Architecture | Hillside Residences/Wahana Architects

△ First Floor Plan

BIM Architecture | Hillside Residences/Wahana Architects

△ Second Floor Plan

BIM Architecture | Hillside Residences/Wahana Architects

△ Third Floor Plan

BIM Architecture | Hillside Residences/Wahana Architects

△ Fourth Floor Plan

BIM Architecture | Hillside Residences/Wahana Architects

△ Section Diagram

BIM Architecture | Hillside Residences/Wahana Architects

△ Section Diagram

BIM Architecture | Hillside Residences/Wahana Architects

△ Section Diagram

BIM Architecture | Hillside Residences/Wahana Architects

△ Section Diagram

Project Information

Architectural Design: Wahana Architects

Site Area: 1600 square meters

Year Completed: 2020

Photographer: Mario Wibowo

Suppliers: Toto, Fio, MOIE, NATUZZI, Wooden Floors, Living Rooms

Lead Architect: Rudy Kelana

Architectural Design Team: Wongso Michael, Paula Silalahi

Interior Design Team: Lidia Natalia

Location: Batu Layar, Indonesia

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