Boratuna House: A Model of Sustainable Architecture in Sant Gregori, Spain

Sustainable Architecture in the Vall del Llémena

The Boratuna House, located in the picturesque Vall del Llémena in the Gironès region of Spain, is a stunning example of sustainable architecture. Designed by Bouman Arquitectura and completed in 2024, this single-family detached house demonstrates how modern design can harmoniously integrate with the natural environment while prioritizing energy efficiency and sustainability. With a footprint of 1561 square feet, the Boratuna House features innovative design solutions that reduce energy consumption and make the most of its breathtaking views.

Architectural Design: A Thoughtful Integration with Nature

The house is nestled on a plot with a series of existing cross terraces, which have been carefully utilized to enhance the living experience. These terraces are oriented towards the spectacular views of the valley, ensuring that the residents of Boratuna House can enjoy the landscape from every angle. The layout is both efficient and responsive to the land’s natural topography, providing a seamless connection between the indoor and outdoor spaces. The design places the house on the widest terrace, allowing ample space for a garden, pool, and parking area.

Sustainable Building Practices

Sustainability is at the core of the Boratuna House’s design. The house is strategically placed on an upper terrace, maximizing its exposure to sunlight and views of the valley. The two-level floor plan, complemented by a gable-shaped roof, helps minimize the building's volume, ensuring it fits organically into the terrain. This thoughtful approach not only enhances the house’s aesthetic appeal but also contributes to its energy efficiency.

The materials used in the construction of Boratuna House have been carefully selected to enhance both durability and sustainability. For instance, Elke Wood Windows, Fustech, and Gecol are some of the manufacturers contributing to the home’s sustainable design. The exterior garden, created with the help of Rajoleria Quintana, integrates the house into its natural surroundings.

Interior Layout and Functionality

Inside, the layout is optimized for both functionality and comfort. The interior design features a compact, square floor plan, with a central transverse space serving as the foyer, kitchen, living room, and dining room. This open-plan concept promotes a sense of openness and fluidity. The bedrooms, bathroom, and laundry room are positioned along the sides of the central space, with a bedroom in each corner to maximize privacy and space.

Energy Efficiency and Passive Design

The Boratuna House is designed with energy efficiency in mind. The building is highly insulated and incorporates an advanced aerothermal energy system for heating and hot water production. This system ensures that the house consumes very little energy while maintaining a comfortable indoor environment. By adhering to passive house standards, Boratuna House exemplifies the potential of energy-efficient design in modern residential architecture.

A Sustainable Architectural Landmark

Boratuna House is a prime example of how architecture can be both aesthetically pleasing and environmentally responsible. Through its sustainable design, efficient use of space, and careful integration with the surrounding landscape, the house stands as a model of contemporary architecture that meets the demands of both modern living and environmental stewardship.

All Photographs are work of Pol Viladoms, Anna Queralt