Facade insulation — Geneva
Amounts based on area and target performance.
Geneva support for energy renovation of the building envelope.
www.ge.chFacade insulation · Meyrin

At a glance
Small project
CHF 20'000 – CHF 41'400
Typical project
CHF 36'800 – CHF 73'000
Large project
CHF 62'100 – CHF 120'400
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 110 m² | CHF 20'000 | CHF 41'400 | CHF 300 |
| Typical project | 220 m² | CHF 36'800 | CHF 73'000 | CHF 200 |
| Large project | 385 m² | CHF 62'100 | CHF 120'400 | CHF 200 |
Computed with our estimator for Meyrin (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Meyrin, the federal building register lists 1'522 residential buildings and 11'338 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
57 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
34 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
14.1 % of buildings mix housing with shops or offices.
When planning renovations in Meyrin, reviewing official building register data is a critical first step. With 19 buildings listed under heritage protection, but with overall data coverage being partial, contacting municipal authorities early is essential to clarify permit requirements. Furthermore, since the 745 house volumes are not recorded using the standard SIA 416, you will need to obtain precise physical measurements to accurately plan your heating and insulation upgrades. Relying on current register figures requires caution, so a professional on-site assessment remains the most reliable way to establish accurate costs for your specific renovation project.
Source : Registre fédéral des bâtiments et des logements (RegBL), OFS, 2026. Existing residential buildings; percentages of recorded values.
Located at an altitude of 440 meters, the municipality of Meyrin experiences a climate with harsh winters, averaging 54 frost days per year.9 °C, thermal insulation of the building envelope becomes necessary to maintain indoor comfort while limiting heat loss.
The 2816 heating degree days per year confirm the critical importance of effective insulation to control heating consumption.
The best time to undertake this work is during a planned facade renovation or roof replacement to share scaffolding costs.
Taking action now also helps meet local climate goals and enhances the long-term value of your property in the face of future canton-level energy requirements.
The choice of external thermal insulation system (ETICS) is crucial. You will need to choose between mineral insulators, such as rock wool, or synthetic ones, such as expanded polystyrene (EPS).
Mineral materials are often preferred for their fire resistance and water vapor permeability, an essential point for healthy building comfort.
The quality level depends on the targeted thermal performance and the desired finish. It is crucial to opt for certified systems that ensure the longevity of your investment against the Genevan climate.
Remember that insulation must be thought of as a complete system including thermal bridges, window surrounds, and window reveals to maximize energy efficiency.
The real estate stock in Meyrin is diverse, ranging from detached houses to large housing estates built during the urban expansion.
For buildings constructed before 1990, special vigilance is required regarding the potential presence of hazardous materials, particularly in old joints or coatings. Before any work begins, an asbestos survey may be essential to secure the site.
The structure of the walls varies by era : older buildings may require specific fastening systems. It is recommended to check the condition of any networks embedded or fixed on the facade.
Preliminary technical expertise is always recommended to identify risks related to the existing structure before undertaking major work, thus ensuring full compatibility with the selected modern insulation materials.
Landscape integration rules are strict, especially if your building is in a protected area or has particular heritage value. Always check if your zone imposes specific constraints regarding materials or colors.
Do not underestimate the burden of these administrative procedures. Conformity with zoning laws is a prerequisite for being granted the right to modify your facade.
If your project also includes solar installations, note that simplified procedures may exist, but any major aesthetic modification of the facade remains subject to rigorous review by the competent authorities.
This cumulative aid is valuable for the thermal insulation of the facade, roof, walls, and ground floor against earth. These grants aim to reduce the remaining costs for homeowners committed to sustainable practices.
Attention : a subsidy application must generally be submitted before the start of work. Any work started without prior validation could disqualify you from this aid.
Consult the official Geneva energy portal and the Meyrin municipal website to obtain the necessary forms and verify the eligibility criteria specific to your situation.
Rigor in the order of your steps is the key to fully benefiting from this financial support.
The workflow of an insulation project follows precise steps to ensure quality. It all begins with planning and authorizations, followed by the installation of scaffolding.
As this represents a significant part of the cost, it is highly recommended to group facade, window, and roof work during the same construction phase.
Once the insulation is applied and finishes are completed, the scaffolding is removed to reveal the new face of your home.
Weather plays an important role in Meyrin. With 54 frost days per year, it is better to plan work outside of periods of extreme cold, as mortar and coatings require mild temperatures to dry properly.
A well-coordinated schedule helps avoid climatic hazards and guarantees implementation that complies with technical requirements, thus ensuring optimal durability for your thermal insulation.
Before launching your project, make sure to validate the following points. Verify that your subsidy application is ready to be submitted before any contract signature.
List your specific insulation needs, especially if you plan to change your windows simultaneously. Request several comparable quotes from certified companies to better evaluate the services.
Ensure you have obtained the necessary building permit from the Urban Planning Office. Finally, check if your work requires acoustic treatment for exterior installations.
The most common mistake is neglecting the state of the baseboards or forgetting to treat thermal bridges, which can cancel out part of the energy benefits.
Also avoid choosing materials based solely on cost criteria without taking into account their longevity in the local climate.
Rigorous planning and consultation with qualified professionals will protect you from disappointments and ensure a successful renovation.
1. Estimate
Set a budget range with the estimator.
2. Grants
Apply before work starts.
3. Quotes
Compare at least 3 quotes.
4. Permit
Check with the municipality whether a permit is needed.
5. Works
Follow the site and do a written handover.
Amounts based on area and target performance.
Geneva support for energy renovation of the building envelope.
www.ge.ch+30% de la subvention cantonale GEnergie M-01
Bonus communal de 30% en sus de l'aide cantonale pour l'isolation thermique de façade, toiture, murs et sol contre terre.
meyrin.chCheck amounts and conditions with the provider before signing: apply before work starts in most cases.
1217 Meyrin · about 0 km
General contractor in Meyrin specializing in new construction, full renovation, transformation, and 24/7 heating and plumbing emergency services.
cclbestate.ch1217 Meyrin · about 0 km
Geneva-based company specializing in general construction, architecture, design, and residential real estate development projects.
lp-co.ch1217 Meyrin · about 0 km
Geneva-based specialist since 1854 in waterproofing, roofing, tinsmithing, and maintenance of roofs and terraces for residential and industrial clients.
geneuxdancet.ch1217 Meyrin · about 0 km
General contractor active in building construction, civil engineering, and complete building renovation in the Vaud and Geneva cantons.
martisa.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Yes, external insulation modifies the appearance of your building and requires a building permit. It is imperative to contact the Urban Planning Office before starting.
You can benefit from the cantonal GEnergie grant and a 30% municipal bonus offered by the city of Meyrin. Applications must be made before starting the work.
Absolutely. Scaffolding is expensive, so it is recommended to carry out insulation, window replacement, and roofing work simultaneously.
Meyrin experiences about 54 frost days per year. It is crucial to choose suitable materials and avoid extreme cold periods for plastering.
For pre-1990 buildings, an asbestos diagnostic is highly recommended. Also check the state of the structures before applying any insulation.
Thermal bridges must be treated, and the condition of the baseboards must not be neglected. Good professional planning is essential for success.
If your work includes external equipment such as heat pumps, an acoustic study may be necessary to comply with OPB standards.
Altitude
440 m
Heating degree days
2'816 Kj/an
20/12 °C
Frost days
54 jours/an
Solar irradiation
1'378 kWh/m²/an
horizontal
Winter design temperature
-4.9 °C
1er percentile des minimales
Mean temperature
11.6 °C
Source : swisstopo – service d'altitude (MNT) · Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)
Source : ge.ch
These rules apply across the whole canton, not only in this town.
Permits
Source : Guide Installations Solaires et Thermopompes - Canton de Genève