
Specialized in designing and building home extensions, including custom-made extensions, raised floors, wooden frames, and masonry extensions. The company accompanies clients from the reflection phase to the realization of the work, studying the technical and legal possibilities of each project.
B
CSR Analysis score
The organization is among the top 20% of most committed organizations, excluding the top 5%, among comparable organizations.
+160,000
Total organizations analyzedAnalysis by axis
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Methodology: Score calculated according to 6 CSR themes (Carbon, Biodiversity, Circular Economy, Sustainable Investments, Governance, Social Impact)
Sources: Public data, CSR reports, documented initiatives, official databases
Last update: January 2026
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Leading organizations
Extenbois
B
Specialized in home extensions and enlargements using wooden frame construction, offering custom solutions for adding living spaces, bedrooms, living rooms, or verandas. The extensions are designed to be aesthetic, quick, efficient, and ecological, using modular materials such as wood cladding, plaster, or zinc.
Groupe VÉRANDALINE
B
Design, manufacturing, and construction of custom home extensions and verandas, focusing on energy efficiency and increased living space.
Elevia Construction
B
General construction company specializing in custom home construction, extensions, and renovations.
Initiatives identified among leaders
Vitrages performants pour optimiser isolation thermique et luminosité
“Groupe VÉRANDALINE propose des vitrages performant...” - Groupe VÉRANDALINEConstruire une extension bois intégrée à une maison expérimentale à haute performance énergétique
“Extenbois a construit une extension bois intégrée ...” - Extenbois36% of similar organizations communicate on CSR issues
+125 initiatives collected from 50 similar organizations
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