Why choose Avenir Renovations?
Why consider a storey addition in Geneva?
At Avenir Renovations, our building professional observes the same issue every year among Geneva families: a living space that has become too cramped and no available land to expand. The storey addition in Geneva addresses this lack by transforming an overlooked attic into a fully habitable floor. It also enhances your property value, as an additional square meter under 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 spaces, your parking space, and your peace of mind, as the construction 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 storey addition proceed?
A storey addition 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 elevating a roof is not 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 regulations also govern this type of work, with a rigor specific to the canton.
Our Project Manager examines the framework, foundations, and load-bearing walls before any decision. An old building, common in Geneva's architecture, sometimes requires structural reinforcement before adding an additional floor. This technical step determines the real feasibility of your project, well before any budget considerations.
To lighten the load on a fragile structure, a storey addition in wood 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 your home's living spaces. Our building professional advises you on the most suitable solution based on 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 layout 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 remains mandatory before any construction work begins, unlike some routine maintenance work that is exempt. Our Project Manager handles all of this administrative support, from filing the application to its review by the cantonal services. This way, you save valuable time without having to decipher the complex Geneva regulations on your own, as is the case throughout Switzerland.
How much does a roof extension cost in Geneva?
A precise figure before any commitment helps you avoid many unpleasant surprises. The budget for a roof extension in Geneva depends on the area concerned, the type of structure chosen, and the level of finish desired. 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 storey addition in just a few clicks. This initial calculation gives you a reliable ballpark figure, before a customized quote prepared by our Project Manager specifies the exact amount tailored to your building, within 8 days.
Average price of a roof extension in Geneva
| Types of work | Average price |
| Storey addition in wooden frame | 2,400 CHF/m² |
| Storey addition in metal structure | 3,100 CHF/m² |
| Construction of a terrace roof | 2,800 CHF/m² |
| Installation of a sloped roof with tile covering | 2,600 CHF/m² |
| Thermal insulation of elevated attics | 180 CHF/m² |
| Building permit and administrative procedures | 1,500 CHF |
Avenir Renovations, your partner for a storey addition in Geneva
Our renovation company in Geneva believes that a successful storey addition relies on rigorous preparation and end-to-end support. The decision to elevate your home is foundational. It deserves the expertise of our building professional, from the first free visit to the handover of keys.
Our Project Manager remains your sole contact throughout the construction. You benefit from a clear quote within 8 days and a result delivered on time. In Geneva, as in the rest of 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 Storey addition in Geneva
An expert to take charge of your renovation projects and guarantee deadlines, budgets and quality of all services.
