Why choose Avenir Renovations?
Why consider a roof raise in Geneva?
At Avenir Rénovations, our building professional observes the same issue every year among Geneva families, a living space that has become too cramped and no land available to expand. The roof raise in Geneva addresses this lack, transforming a forgotten attic into a fully habitable floor. It also enhances your property value, as an additional square meter under the roof carries significant weight in a highly pressured Geneva real estate market.
When your plot does not allow for a home extension on the ground, the storey addition often becomes the only realistic way to gain space. It preserves your outdoor fit-out, your parking space, and your peace of mind, as the work remains confined to the existing roof. This option appeals to project holders who want to grow without moving or sacrificing their land.
How does a roof extension proceed?
A roof extension project in Geneva follows a precise method, from the initial study to the handover of keys. As with all renovation projects in Geneva, each step conditions the next, as raising a roof cannot be improvised. Our renovation company structures each intervention to secure the announced deadlines and your initial budget.
Is a roof raise feasible at your place?
Before validating your fit-out or extension project, two checks are necessary at your location. Whether you aim for a sloped roof or a storey addition with a flat roof, the load-bearing capacity of your building determines everything else. Geneva's regulations also govern this type of work, with a rigor unique to the canton.
Our Project Manager examines the framework, foundations, and load-bearing walls before any decision is made. An old building, common in Geneva's architecture, sometimes requires structural reinforcement before receiving an additional floor. This technical step determines the actual feasibility of your project, well before any budget considerations.
To lighten the load on a fragile structure, a wooden storey addition often provides the best solution, as this material is lighter than concrete or steel. It also offers a speed of execution that is appreciated, a significant advantage when the project affects the living spaces of your home. Our building professional advises you on the most suitable solution for the actual condition of your property, after a free on-site visit.
The canton of Geneva imposes a precise framework for any storey addition, with rules that vary from one municipality to another. The zoning plan of the area determines the maximum height allowed, as well as the general dimensions of the building. As a renovation company in Geneva, our building professional masters these cantonal specifics and helps you avoid file errors that can delay a project by several months.
A building permit is mandatory before starting any construction work, unlike some routine maintenance tasks that are exempt. Our Project Manager handles all of this administrative support, from filing the application to its processing by the cantonal services. This way, you save valuable time without having to decipher the complex Geneva regulations on your own, just like everywhere else in Switzerland.
How much does a roof extension cost in Geneva?
A precise figure before any commitment saves you from many unpleasant surprises. The budget for a roof extension in Geneva depends on the area involved, the type of structure chosen, and the level of finish aimed for. Our renovation company carries out all of these works, from the framework to the interior finishes, with a single point of contact for the entire project. To refine your budget in just a few minutes, you can estimate the price of a house extension in a few clicks. This initial calculation gives you a reliable order of magnitude, before a tailored estimate prepared by our Project Manager specifies the exact amount suited to your building, within 8 days.
Average price of a roof extension in Geneva
| Types of work | Average price |
| Wood frame extension | 2,400 CHF/m² |
| Metal structure extension | 3,100 CHF/m² |
| Creation of a rooftop terrace | 2,800 CHF/m² |
| Installation of a sloped roof with tile covering | 2,600 CHF/m² |
| Thermal insulation of raised attics | 180 CHF/m² |
| Building permit and administrative procedures | 1,500 CHF |
Avenir Rénovations, your partner for a storey addition in Geneva
Our renovation company in Geneva believes that a successful storey addition relies on thorough preparation and end-to-end support. The decision to elevate your home is a significant one. It deserves the expertise of our building professional, from the first free visit to the handover of keys.
Our Project Manager remains your unique contact throughout the project. You benefit from a clear quote within 8 days and a result delivered on time. In Geneva, as in the rest of French-speaking Switzerland, every square meter of land counts. The storey addition remains a relevant solution to gain space without moving. Trust our renovation company for your expansion or renovation projects, and transform your attic into a true living space.
Agency Avenir
Rénovations
for Roof extension in Geneva
An expert to take charge of your renovation projects and guarantee deadlines, budgets and quality of all services.
