Freiburghaus et Cie
2743 Eschert · about 7.7 km
Specialized in carpentry, joinery, and timber construction since 1994, including renovations, extensions, and prefabricated elements.
boisfreiburghaus.chRoof renovation · Grenchen

At a glance
Small project
CHF 14'900 – CHF 34'200
Typical project
CHF 27'000 – CHF 59'500
Large project
CHF 45'100 – CHF 97'400
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 70 m² | CHF 14'900 | CHF 34'200 | CHF 300 |
| Typical project | 140 m² | CHF 27'000 | CHF 59'500 | CHF 300 |
| Large project | 245 m² | CHF 45'100 | CHF 97'400 | CHF 300 |
Computed with our estimator for Grenchen (regional factor included), standard finish. Only the project size changes.
Included
Not included
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.
68 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
52 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 52 % | 50.8 % |
| Heating oil | 29 % | 22.2 % |
| Heat pump | 15 % | 7.3 % |
| Electricity | 1 % | 17.1 % |
| Wood | 3 % | 1.5 % |
Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.
A standard non-condensing boiler is usually older and less efficient.
9.9 % of buildings mix housing with shops or offices.
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.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Insulating the roof together with the covering is often eligible for the Buildings Programme. This measure significantly reduces heat loss and improves indoor comfort year-round.
By taking advantage of these renovation works to integrate high-performance insulation, you increase the long-term value of your property.
Be sure to check the current conditions applicable in the canton of Solothurn to maximize your savings and ensure the optimal energy efficiency of your renovated roof.
Good planning prevents future costly adjustments and improves the energy balance of your home.
Existing solar panels must be removed and refitted : budget for it. This technical operation requires the intervention of specialists to ensure the system functions correctly after the renovation.
By integrating these costs into your overall budget, you avoid financial surprises.
It is advisable to anticipate these expenses during the quote phase to have a clear view of the total costs related to your roof renovation work in Grenchen and ensure your budget remains balanced throughout the project.
At altitude, snow loads and frost influence material choice. In Grenchen, as in other regions, weather conditions play a decisive role in selecting roofing materials.
It is crucial to choose resistant materials capable of supporting these specific seasonal constraints of the Swiss climate.
An appropriate choice guarantees not only better sealing but also reduces the frequency of maintenance work needed to preserve the integrity of your roof in the long term. Consider quality products designed for specific altitude-related weather events.
Roof renovation is a significant investment that requires total cost transparency. To facilitate your planning in Grenchen, our free RenoIndex tool allows you to quickly obtain a reliable price range.
By entering your building's characteristics, you benefit from a realistic estimate that helps you negotiate better with local companies.
Leave nothing to chance and ensure you understand every expense item to carry out your roof renovation project with complete peace of mind and financial clarity.
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.
No specific grant listed for this work. Maintenance tax deductions may still apply.
2743 Eschert · about 7.7 km
Specialized in carpentry, joinery, and timber construction since 1994, including renovations, extensions, and prefabricated elements.
boisfreiburghaus.ch2743 Eschert · about 7.7 km
Timber construction company specializing in framing, timber frame prefabrication, and carpentry work in Eschert.
widmersarl.ch2603 Péry · about 8.9 km
LUMITOIT Sàrl specializes in the installation, repair, and replacement of roof windows and blinds.
lumitoit.ch2504 Biel/Bienne · about 9.2 km
Operating in Biel/Bienne since 1948, E. Vauclair SA provides plumbing, heating and solar installations, architectural sheet metalwork, roofing and flat roof renovation.
vauclair.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
The need for a permit depends on the scope of work and any changes to the structure or exterior appearance. It is recommended to contact your local planning department to confirm specific local requirements.
Use the free RenoIndex estimator. By entering your roof details, you will get an indicative price range based on market standards to help you prepare your budget.
Yes, the Buildings Programme supports energy efficiency measures, such as thermal insulation. Check the eligibility criteria and application procedures with the relevant authorities in the canton of Solothurn.
It is an ideal opportunity. Taking advantage of the tile removal to insulate allows for significant economies of scale while potentially benefiting from energy grants.