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Transforming a basement into a living space is not as straightforward as converting a standard room. Before considering decoration or finishes, it is essential to assess the feasibility of the project. A basement indeed involves several technical constraints: moisture management, adequate ventilation, waterproofing, sufficient ceiling height, structural stability, secure access, and connection to networks.
For this reason, the cost of a basement conversion can vary significantly from one project to another. A preliminary study allows for a precise evaluation of the necessary work. In Romandy, Avenir Rénovations supports you with a technical visit, a free quote, and personalized advice to optimize your budget.
The transformation of a basement requires thorough preparation and a complete analysis of the existing conditions. Before starting the work, several points must be checked: the level of humidity, the quality of ventilation, insulation, the presence of rising damp, and the condition of the foundations.
Do you want to create a new room in your basement such as a bedroom, an office, a playroom, or a laundry room? Are you also considering installing a drainage system to limit water infiltration?
All these elements directly influence the final budget of the project.
At Avenir Rénovations, a professional visits your home in French-speaking Switzerland to conduct a comprehensive analysis. Your Project Manager studies all technical constraints before proposing a suitable solution.
Depending on the configuration of the site and excluding finishes, the average price of a basement layout is generally around 95 CHF per m².
To know the exact budget for your project, you can request a free estimate now.
Once the structural work is completed, such as earthworks, backfilling, or the construction of the slab, the technical networks are installed to make the space functional.
The electrical installation is an essential step: electrical outlets, switches, lighting, and powering equipment.
In a basement, natural light is often limited. Therefore, it is advisable to install more light points to achieve comfortable lighting.
In the Romandy region of Switzerland, the average price for a complete electrical installation in a basement is around 190 CHF per m², depending on the chosen equipment and the complexity of the installation.
To obtain an accurate estimate, Avenir Rénovations experts offer you a personalized quote.
Converting a basement often involves several technical interventions to ensure the safety and compliance of the space.
Avenir Rénovations provides qualified craftsmen to assist you with all the necessary work.
Once the basement is cleaned and stabilized, coverings play an essential role in improving the comfort and aesthetics of the room.
For the walls and ceiling, plasterboard is often preferred. It is economical, easy to install, and allows for thermal insulation to be integrated.
After the joints are completed and the supports have dried, various finishes can be applied:
For the floor, several solutions are possible:
Avenir Rénovations carries out the complete installation of the chosen covering to ensure a durable and aesthetic result.
You have a basement development project in the French-speaking part of Switzerland
Explain your project to us today by sending us the information about your basement. Avenir Rénovations experts will assist you with a personalized study and a free quote tailored to your space and budget.
To improve the comfort of your basement, some additional equipment can be added:
These improvements generally represent a few hundred francs more depending on the options chosen.
Here is an overview of the average prices observed in the French-speaking part of Switzerland:
To improve the comfort of your basement, some additional equipment can be added:
These improvements generally represent a few hundred francs more depending on the options chosen.
Here is an overview of the average prices observed in the French-speaking part of Switzerland:
| Types of work | Average price in the French-speaking part of Switzerland |
| Installation of wall and floor coverings | 76 CHF / m² |
| Creation of a concrete slab | 114 CHF / m² |
| Construction of a staircase | 2,860 CHF |
| Installation of the electrical network | 143 CHF / m² |
