Dubach Construction Bois Sàrl
2827 Mervelier · about 71.3 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chRoof renovation · Cham
Roof renovation in Cham: guide and tips
Renovating your roof in Cham is a major investment to protect your home and improve energy efficiency. Whether you wish to replace aging tiles or optimize thermal insulation, rigorous planning is essential. It is advisable to thoroughly assess the state of the framework before starting work. To obtain a precise and quantified estimate of your project, we recommend using the free RenoIndex estimator, which will quickly provide you with a price range in Swiss Francs adapted to your specific situation.
At a glance
- Typical budget
- CHF 26'200 – CHF 57'700
- Midpoint
- CHF 39'600
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Cham
Small project
CHF 14'400 – CHF 33'200
Typical project
CHF 26'200 – CHF 57'700
Large project
CHF 43'700 – CHF 94'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 70 m² | CHF 14'400 | CHF 33'200 | CHF 300 |
| Typical project | 140 m² | CHF 26'200 | CHF 57'700 | CHF 300 |
| Large project | 245 m² | CHF 43'700 | CHF 94'500 | CHF 300 |
Computed with our estimator for Cham (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 19'800 (50 %)
- Materials : CHF 15'800 (40 %)
- Other costs : CHF 4'000 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Covering, scaffolding, insulation and removal according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- New roof structure, asbestos, roof windows and structural reinforcement
Cham's housing stock in figures
In Cham, the federal building register lists 1'866 residential buildings and 8'204 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
43 % built before 1980
- Before 191910 %
- 1919–19458 %
- 1946–19608 %
- 1961–19707 %
- 1971–198010 %
- 1981–199019 %
- 1991–200014 %
- 2001–201012 %
- Since 201112 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
35 % · Heating oil
- Heating oil35 %
- Heat pump30 %
- Gas22 %
- District heating6 %
- Wood5 %
- Electricity2 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 22 % | 20.8 % |
| Heating oil | 35 % | 28.5 % |
| District heating | 6 % | 6.3 % |
| Heat pump | 30 % | 9.1 % |
| Electricity | 2 % | 22.8 % |
| Wood | 5 % | 4.3 % |
| Solar thermal | 0 % | 7.9 % |
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.
Type of heating system
- Boiler (unspecified)60.8 %
- Heat pump30.3 %
- Heat exchanger (district)5.5 %
- Central electric heating1.6 %
- Condensing boiler1.1 %
- Stove0.5 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses43 %
- Two-dwelling houses11.9 %
- Apartment buildings (3+)45.1 %
10.5 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 144 m²
- median dwelling area
- 100 m²
Renovations, heritage and volumes
For your renovation projects in Cham, these federal building register figures are vital. Heritage protection affects 496 known buildings, making early communication with the municipality for permits essential, while 1312 buildings are not classified. With a median volume of 928 m3 for the 803 houses measured according to the SIA 416 standard, you can better plan the scale of your insulation or heating works. Note that data coverage is partial, as only 3 buildings are precisely measured using this specific standard, with the remainder relying on other methods or being listed as unknown.
496
buildings flagged as protected
status known for 554 of 1'866 buildings; check with the municipality
928 m³
median house volume (SIA 416)
measured for 3 of 803 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Insulation and energy efficiency
Insulating the roof while replacing the covering is a wise strategy to improve the thermal comfort of your home. This operation is often eligible for the federal Buildings Programme.
By reducing thermal bridges, you lower your heating bills and increase your property value. It is essential to choose high-performance insulation materials adapted to the local climate.
Remember to check current requirements to maximize your energy savings and ensure durable, long-term insulation while increasing the resale value of your property in Cham.
Integration of solar thermal and photovoltaics
If you are planning to install solar panels on your roof, their removal and refitting must be budgeted for from the start of the project. This technical step can significantly influence the final cost of renovation work.
Careful planning helps avoid financial surprises. Ensure that the installation is carried out by qualified professionals to guarantee the safety and longevity of your energy system.
Switching to solar energy is an excellent opportunity to make your home more autonomous and actively contribute to the Swiss energy transition.
Adaptation to climatic conditions
At altitude, as in some areas surrounding Cham, snow loads and frost directly influence the choice of roofing materials. It is crucial to choose robust tiles or roofing systems capable of withstanding the rigors of the Swiss winter.
A well-designed roof not only protects against bad weather but also prevents costly water leaks. Consult local specialists to assess the constraints specific to your exact location.
Proper material selection ensures the durability of your roof and limits maintenance requirements in the medium and long term.
Preparing the renovation project
Before starting your work, a detailed inspection of the structure is essential. Identify any potential weaknesses and determine whether a simple repair is sufficient or if a complete renovation is necessary.
Compare quotes from several contractors in the Cham region to get the best value for money. Do not forget to include a margin for contingencies in your budget. For a reliable estimate of the necessary budget, the RenoIndex simulator remains your best ally.
Good preparation guarantees the success of your project and peace of mind throughout the work.
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
Welibois S.A.
2747 Seehof · about 73.2 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.chMalerei Top Demestre
2746 Crémines · about 76.5 km
Specialized company for painting, facade renovation, surface cleaning, and wood treatment for both interior and exterior residential projects.
malerei-top-demestre.comLA Rénovation Lebrun
2746 Crémines · about 76.5 km
L.A Rénovation Lebrun offers versatile renovation services including painting, facade maintenance, and roof repairs.
lebrun-renovation-la.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
How do I get an estimate for my roof price?
Use the free RenoIndex simulator to quickly obtain a price range in Swiss Francs based on the specifics of your renovation project. This will help you better plan your budget before consulting local craftsmen.
What are the benefits of roof insulation?
Thermal insulation significantly reduces your heating requirements, lowers your ecological footprint, and increases the value of your property. Furthermore, it is often eligible for grants under the federal Buildings Programme.
Should I budget for solar panels?
Yes, if you have solar panels, you must budget for their removal and refitting during the roof renovation. This technical step is crucial to ensure the integrity of your system and avoid unexpected additional costs.
How does climate affect material choice?
In regions prone to frost and snow, choosing robust materials is essential to guarantee the watertightness and durability of the roof. An appropriate selection prevents leaks and reduces maintenance costs in the long term.
Works often combined in Cham
Other works in Cham
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade