Dubach Construction Bois Sàrl
2827 Mervelier · about 53.2 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chRoof renovation · Villmergen
Roof renovation in Villmergen: A comprehensive guide
Renovating your roof in Villmergen is a vital project for ensuring the longevity and energy efficiency of your home. Whether you need to replace roof tiles, repair rafters, or optimize thermal insulation, careful planning is essential. In this guide, we help you understand the technical challenges and key considerations for a successful renovation. Use the free RenoIndex estimator now to get an accurate price range tailored to your needs in the canton of Aargau and start your renovation with confidence.
At a glance
- Typical budget
- CHF 27'000 – CHF 59'500
- Midpoint
- CHF 40'800
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Villmergen
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 Villmergen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 20'400 (50 %)
- Materials : CHF 16'300 (40 %)
- Other costs : CHF 4'100 (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
Villmergen's housing stock in figures
In Villmergen, the federal building register lists 1'639 residential buildings and 3'723 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
47 % built before 1980
- Before 191912 %
- 1919–194510 %
- 1946–196010 %
- 1961–19708 %
- 1971–19807 %
- 1981–199012 %
- 1991–200015 %
- 2001–201010 %
- Since 201116 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
43 % · Heating oil
- Heating oil43 %
- Heat pump25 %
- Gas18 %
- Wood8 %
- Electricity5 %
- District heating1 %
- Solar thermal1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 18 % | 13.2 % |
| Heating oil | 43 % | 26 % |
| District heating | 1 % | 0.5 % |
| Heat pump | 25 % | 8.3 % |
| Electricity | 5 % | 45.2 % |
| Wood | 8 % | 5.3 % |
| Solar thermal | 1 % | 1.1 % |
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)64.8 %
- Heat pump24.6 %
- Central electric heating3.7 %
- Stove3.7 %
- Direct electric heaters1.1 %
- Heat exchanger (district)1 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses74.7 %
- Two-dwelling houses7.1 %
- Apartment buildings (3+)18.1 %
7.9 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 118 m²
- median dwelling area
- 100 m²
Renovations, heritage and volumes
For your renovation plans in Villmergen, official register data provides essential guidance. With 385 buildings out of 1639 under heritage protection, contacting the municipality early is crucial to secure necessary permits. Regarding building scale, the median volume is 600 m3 across 1225 houses. However, please note that coverage is partial as only 23 houses have been measured according to the SIA 416 standard. This limited data set means you should carefully verify your property's dimensions when planning major insulation or heating upgrades to ensure your renovation budget remains accurate and reflects your building's specific requirements.
385
buildings flagged as protected
status known for 1'635 of 1'639 buildings; check with the municipality
600 m³
median house volume (SIA 416)
measured for 23 of 1'225 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Thermal insulation during renovation
Insulating the roof simultaneously with the roof covering is a highly recommended strategy. This not only reduces your heating bills, but such measures are also frequently eligible for the Buildings Programme, which supports energy efficiency initiatives.
By leveraging the construction phase to improve insulation performance, you increase your property's long-term value.
A well-insulated roof limits heat loss during winter and maintains a pleasant temperature throughout the summer months, significantly enhancing your daily living comfort and energy efficiency in your home in Villmergen.
Handling existing solar panels
If your roof is already equipped with solar panels, their removal and reinstallation must be budgeted for during your planning phase.
This process requires specific intervention from professionals to avoid any damage to the photovoltaic cells or the mounting systems. It is important to account for these additional costs early on.
Furthermore, consider requesting a full inspection of your solar installation before starting the roof renovation to determine if any maintenance or cleaning would be appropriate while the roof is easily accessible.
Adapting to climatic conditions
Geographical location significantly impacts the durability of your roof. At altitude, heavy snow loads and repeated frost cycles directly affect the structure and the covering materials.
It is crucial to choose durable materials adapted to local weather conditions to ensure the longevity of your investment. A roof designed to withstand atmospheric pressure and regional weather will save you from costly repairs in the future.
Consult with experts to select the roof tiles or waterproofing membranes that best meet the specific requirements of your environment.
Planning and renovation budget
Rigorous planning is key to avoiding budget overruns. In addition to material costs, be sure to include expenses for scaffolding, demolition, waste management, and a buffer for unforeseen issues.
To get a reliable estimate for your project, use our RenoIndex tool. Our simulator provides a price range tailored to the Swiss market, allowing you to clearly understand your budget before contacting contractors.
Thorough financial preparation enables you to choose high-quality solutions while maintaining a clear overview of your entire renovation project.
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 56.2 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.chMalerei Top Demestre
2746 Crémines · about 59.9 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 59.9 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
When is the best time for a roof renovation?
Spring and summer are generally preferred in Villmergen to avoid periods of intense cold and heavy precipitation. These conditions allow for faster progress and better installation quality for waterproofing materials, ensuring your roof is perfectly protected before the arrival of the next winter.
Do I need a building permit?
For most roof renovations involving identical materials, no permit is required. However, if the project changes the exterior appearance, height, or structure, you must consult the cantonal or municipal authorities. We advise you to check local regulations before beginning any work.
How long does the renovation take?
The duration depends on the roof area and the scope of work. On average, a simple renovation can take from a few days to two weeks. If the insulation and structure also need renovation, the project may take longer. Use RenoIndex to get a better idea of the scale.
How can I get a reliable quote?
Start by using the RenoIndex simulator to understand market prices. Then, request detailed quotes from several local companies. Compare them by ensuring that the services, materials, and timelines are equivalent, which will help you make an informed decision for your home.
Works often combined in Villmergen
Solar panels cost in VillmergenFacade insulation cost in VillmergenWindow replacement cost in Villmergen
Other works in Villmergen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade