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Bioclimatic House Facing the Rochers de Trenze
Bioclimatic House Facing the Rochers de Trenze
Lozère, Occitanie, France
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Bioclimatic House Facing the Rochers de Trenze
Lozère, Occitanie, France
Type
STATUS
Built
YEAR
2026
SIZE
1000 sqft - 3000 sqft
BUDGET
$1M - 5M
Located in Vialas, in the Cévennes region of southern France, this 260 sqm house is set on a steep terraced site overlooking the Luech valley, with the Rochers de Trenze forming the distant horizon.
The architecture responds directly to the site's topography. Rather than imposing a single horizontal platform on the slope, the house is organized across two levels, following the natural terrain and creating different relationships with the surrounding landscape.
The lower level is partially embedded into the western slope, taking advantage of the thermal inertia of the ground. A granite wall protects part of this elevation and establishes a material connection with the local geology.
The main living spaces occupy the upper level. The open-plan kitchen and living room extend towards two terraces, one of which is protected by a bioclimatic pergola. Large glazed openings frame the surrounding mountains and vegetation, making the landscape a constant presence within the house.
The environmental strategy combines a highly insulated envelope, external thermal insulation, insulated floor slabs with underfloor heating, a wood-burning stove, controlled ventilation and adjustable external solar shading. A planted roof contributes to the thermal performance of the building while reducing its visual presence within the landscape.
Rainwater is collected and reused for toilets and irrigation. Photovoltaic panels installed on a separate garage at the lower part of the site are connected to battery storage. A weather station and home automation system coordinate solar shading, the bioclimatic pergola, heating, ventilation and other technical systems according to climatic conditions and daily use.
Inside, the material palette continues the relationship with the site. Grey mineral flooring recalls the surrounding granite, while timber is used selectively for built-in elements and the curved wall defining the entrance hall.
The project brings together topography, landscape, passive design and resource management, using the characteristics of the site and climate as fundamental elements of the architectural design.
The architecture responds directly to the site's topography. Rather than imposing a single horizontal platform on the slope, the house is organized across two levels, following the natural terrain and creating different relationships with the surrounding landscape.
The lower level is partially embedded into the western slope, taking advantage of the thermal inertia of the ground. A granite wall protects part of this elevation and establishes a material connection with the local geology.
The main living spaces occupy the upper level. The open-plan kitchen and living room extend towards two terraces, one of which is protected by a bioclimatic pergola. Large glazed openings frame the surrounding mountains and vegetation, making the landscape a constant presence within the house.
The environmental strategy combines a highly insulated envelope, external thermal insulation, insulated floor slabs with underfloor heating, a wood-burning stove, controlled ventilation and adjustable external solar shading. A planted roof contributes to the thermal performance of the building while reducing its visual presence within the landscape.
Rainwater is collected and reused for toilets and irrigation. Photovoltaic panels installed on a separate garage at the lower part of the site are connected to battery storage. A weather station and home automation system coordinate solar shading, the bioclimatic pergola, heating, ventilation and other technical systems according to climatic conditions and daily use.
Inside, the material palette continues the relationship with the site. Grey mineral flooring recalls the surrounding granite, while timber is used selectively for built-in elements and the curved wall defining the entrance hall.
The project brings together topography, landscape, passive design and resource management, using the characteristics of the site and climate as fundamental elements of the architectural design.
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