BUILDING

Construction of buildings

Designing, building, and renovating structures tailored to the needs of communities: this is Colas’ ambition in the building sector through its subsidiary Colas Bâtiment.
Our teams deliver technical, bespoke projects for housing, office buildings, and public facilities, combining architectural excellence, energy performance, and environmental responsibility.

Construction groupe scolaire et crèche à Antony : Vue aérienne d’un chantier de terrassement et soutènement en zone résidentielle montrant palplanches en place, terrassement en cours, deux pelles à l’œuvre, signalisation et stockage de matériel.

A general contractor at the service of your projects

Design-build, structural work & technical trades

Colas Bâtiment manages the full design and execution of projects, from preliminary studies to final delivery. Our all-trades teams work on technical, complex, or hard-to-access structures, integrating expertise in civil engineering, structural work, finishes, and technical systems.

Specialists in exposed and architectural concrete, we combine aesthetics with structural performance. Each site employs specific tools and expert teams, capable of adapting the methodology to each client and environment.

Bâtiment tertiaire neuf livré en site contraint, façades à trame métallique et toitures techniques intégrées, aménagements extérieurs finalisés et accès logistiques optimisés en bord de périphérique.

Ecole langevin wallon par Colas : Vue aérienne d’un chantier de soutènement en zone résidentielle montrant palplanches installées, terrassement en cours, deux pelles en action, signalisation et stockage de matériaux.

An integrated model, a guarantee of reliability

Thanks to the synergy of Colas Group’s professions, Colas Bâtiment relies on a network of complementary expertise: engineering, project management, and maintenance, to ensure quality, traceability, and adherence to deadlines. This integrated model enables tailored, flexible, and reliable solutions for any type of project.

A rigorous and responsible approach

Controlled quality

We ensure exemplary execution through continuous quality monitoring, strict material traceability, and adherence to the highest industry standards.

Safety and prevention

Safety guides every action on our construction sites. Prevention plans, daily awareness, and systematic checks ensure the protection of our teams, partners, and local residents.

Responsible construction site

We actively minimize the impact of our construction sites on the environment and local communities: reducing noise and dust, managing waste responsibly, controlling traffic, and optimizing logistics.

Circular economy and innovation

We are reinventing construction by integrating recycled and reused materials. Colas partners with pioneers of circular construction, such as Cyneo and Hangar Zéro, to create structures that are increasingly efficient and responsible.

Sectors of activity

Housing and collective living

Construction of collective and individual housing, with a strong focus on energy performance, architectural quality, and the durability of the structures.

Travaux Neufs - Mixcite hotel Issy-Les-Moulineaux par Colas : Vue aérienne d’un chantier de soutènement en zone résidentielle montrant palplanches installées, terrassement et deux pelles en action le long d’une voie bordée de maisons, avec signalisation et stockage de matériaux sur site.

Toit-terrasse en bois récemment finalisé, offrant larges plantations en bacs, grande façade vitrée et structure légère pour un espace extérieur convivial et durable.

Offices & commercial buildings

Creation of high-performing and adaptable office spaces, promoting user comfort, energy efficiency, and flexible layouts.

Educational facilities

Construction of schools, middle schools, and university campuses, designed to provide comfort, safety, and functional performance while meeting environmental standards.

Construction d'une crèche par Colas : Salle lumineuse prête à l’aménagement, plafond bois acoustique et grandes baies vitrées offrant confort, clarté et modernité.

Complexe multisport écoresponsable construit par Colas au Bourget

Cultural, sports, and tourist facilities

Design of sports complexes, hotels, aquatic centers, theaters, and cultural facilities combining technical performance, design, and sustainability.

FAQ

Frequently asked questions

What is a general building contractor?

A general building contractor manages an entire construction project, from design to delivery, coordinating all trades to ensure a turnkey result.

What types of buildings does Colas construct?

Housing, offices, schools, sports facilities, public buildings, and hotels. Each structure is tailored to its use and environment.

How does Colas integrate sustainability into its construction sites?

Through the use of recycled materials, reduced energy consumption, and control of environmental impacts, following a circular economy approach and ensuring long-term performance.

Does Colas also work on the renovation of existing buildings?

Yes, our teams handle the renovation of public and private buildings: compliance upgrades, energy modernization, extensions, or space conversions. These projects aim to extend the life of structures while improving their performance and user comfort. See the dedicated page here.

Tell us about your project

Do you have a project for construction, renovation, or building extension?

Communities, developers, businesses: our teams support you with tailored solutions that combine technical expertise, performance, and sustainability.

Equipe Colas en charge de travaux : Cinq ouvriers en tenues orange posent sur un parvis pavé devant une sculpture tentaculaire et un immeuble contemporain.