IsolMex Sàrl
2542 Pieterlen · about 5.2 km
IsolMex Sàrl is a Swiss company specializing in insulation, painting, and finishing work for interior and exterior projects.
isolmex.chFacade insulation · Grenchen
Facade insulation in Grenchen: guide and renovation tips
Performing facade insulation in Grenchen is an excellent way to improve the energy efficiency of your home while increasing your thermal comfort. In the canton of Solothurn, optimizing your building envelope helps to sustainably reduce your heating bills. However, such work requires careful preparation and knowledge of local specifics. To get a reliable cost estimate for your project, use our free RenoIndex estimator now to plan your energy renovation work with confidence and ensure a successful outcome for your property.
At a glance
- Typical budget
- CHF 33'500 – CHF 66'400
- Midpoint
- CHF 48'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Grenchen
Small project
CHF 18'200 – CHF 37'600
Typical project
CHF 33'500 – CHF 66'400
Large project
CHF 56'500 – CHF 109'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 110 m² | CHF 18'200 | CHF 37'600 | CHF 200 |
| Typical project | 220 m² | CHF 33'500 | CHF 66'400 | CHF 200 |
| Large project | 385 m² | CHF 56'500 | CHF 109'500 | CHF 200 |
Computed with our estimator for Grenchen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 24'000 (50 %)
- Materials : CHF 19'200 (40 %)
- Other costs : CHF 4'800 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Scaffolding, finish and insulation according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- Structural damp, asbestos and balcony alterations
Grenchen's housing stock in figures
In Grenchen, the federal building register lists 3'013 residential buildings and 10'413 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
68 % built before 1980
- Before 191910 %
- 1919–194516 %
- 1946–196024 %
- 1961–197011 %
- 1971–19807 %
- 1981–199010 %
- 1991–20008 %
- 2001–20105 %
- Since 20119 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
52 % · Gas
- Gas52 %
- Heating oil29 %
- Heat pump15 %
- Wood3 %
- Electricity1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Houses or apartment buildings?
- Single-family houses53.6 %
- Two-dwelling houses11.9 %
- Apartment buildings (3+)34.4 %
- Other0.1 %
9.9 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 125 m²
- median dwelling area
- 87 m²
Renovations, heritage and volumes
For your renovation projects in Grenchen, the official RegBL figures provide essential insights despite partial data coverage. With 4 buildings listed under heritage protection, it is crucial to contact the municipality early to navigate permit requirements. The median building volume of 755 m3, derived from a limited set of 4 measurements, helps define the scale for your insulation or heating upgrade plans. Since renovation years are not recorded and volumetric data is sparse, conducting an on-site assessment remains a necessary step to ensure your renovation budget and planning are accurate and reflective of your specific property.
4
buildings flagged as protected
status known for 177 of 3'013 buildings; check with the municipality
755 m³
median house volume (SIA 416)
measured for 4 of 1'616 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Anticipating administrative procedures
Furthermore, external insulation changes the building's look and often requires a building permit from the relevant authorities. Do not underestimate these administrative deadlines, as they can influence your overall schedule.
Consult the local urban planning department to verify the specific architectural constraints of your neighborhood before signing any quotes with a construction company.
Optimizing renovation costs
The cost of facade work is influenced by several technical factors. Scaffolding is a big share of the cost: bundle facade, windows, and roof work to make the installation cost-effective.
By planning these interventions simultaneously, you avoid paying for the assembly and disassembly of security structures multiple times.
Furthermore, a comprehensive renovation often leads to a better overall energy rating, which increases the long-term value of your property. Use the free RenoIndex estimator to compare costs and get a clear view of the budget required in Grenchen.
Choosing the right insulation materials
The choice of insulation material is crucial for the thermal performance of your home in Grenchen. There is a wide variety of materials, ranging from synthetic solutions to bio-based insulation.
Each option offers different advantages in terms of fire resistance, durability, and ecological footprint.
It is recommended to seek advice from an energy renovation expert to select the product best suited to your wall structure and the climatic conditions of the canton of Solothurn.
Well-chosen insulation ensures not only savings but also optimal indoor humidity regulation.
Importance of ventilation after insulation
Once your facade is insulated, your house becomes more airtight. While this improvement is excellent for limiting heat loss, it can alter natural air circulation.
It is therefore crucial to provide for an adequate ventilation system, such as regular natural ventilation or a controlled mechanical system. Good ventilation prevents condensation and mold, ensuring healthy indoor air for all occupants.
Include considerations about air quality in your overall renovation project with the help of the RenoIndex estimator.
Your project in 5 steps
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.
Grants and subsidies
No specific grant listed for this work. Maintenance tax deductions may still apply.
Companies in the area
Bâtilook Sàrl
2743 Eschert · about 7.7 km
Bâtilook Sàrl provides comprehensive renovation services, from structural work to finishing, in the Jura and Bernese Jura regions.
batilook.chFreiburghaus et Cie
2743 Eschert · about 7.7 km
Specialized in carpentry, joinery, and timber construction since 1994, including renovations, extensions, and prefabricated elements.
boisfreiburghaus.chTropia Simon Sàrl
2603 Péry · about 8.9 km
Péry-based company specializing in painting, plastering, facade renovation, and interior decoration for all types of buildings.
pretty-home.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Do I need a permit for facade insulation in Grenchen?
Yes, external insulation often changes the visual appearance of your facade. It is therefore frequently necessary to submit a permit application to your municipality. Check local requirements to avoid any delays in your work.
Can I get grants for my project?
Grants are possible, but it is mandatory to submit your application before the start of the project. Inquire with the authorities of the canton of Solothurn regarding current energy renovation programs.
How to estimate the total budget for my work?
The cost depends on the area and the type of insulation. To get a reliable and free cost estimate for your project in Grenchen, use the RenoIndex online tool which will provide you with a price range.
Is it advantageous to bundle the work?
Yes, scaffolding setup is a significant fixed cost. By combining facade insulation with window replacement or roof repairs, you significantly optimize your overall expenses.
Works often combined in Grenchen
Window replacement cost in GrenchenRoof renovation cost in GrenchenInterior painting cost in Grenchen
Other works in Grenchen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade