Dubach Construction Bois Sàrl
2827 Mervelier · about 63.6 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chRoof renovation · Würenlos
Roof renovation in Würenlos: guide and practical tips
Are you planning a roof renovation in Würenlos? Whether to improve thermal insulation, replace aging tiles, or prepare for solar panel installation, a roof project requires careful planning. A roof in good condition is essential to protect your property and reduce energy consumption. To get a precise estimate and budget your work with peace of mind, we recommend using our free RenoIndex tool. Discover in this guide the key points for a successful project in the canton of Aargau.
At a glance
- Typical budget
- CHF 27'000 – CHF 59'500
- Midpoint
- CHF 40'800
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Würenlos
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 Würenlos (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
Würenlos's housing stock in figures
In Würenlos, the federal building register lists 1'479 residential buildings and 2'948 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
42 % built before 1980
- Before 19196 %
- 1919–19455 %
- 1946–196010 %
- 1961–19709 %
- 1971–198012 %
- 1981–199016 %
- 1991–200016 %
- 2001–201014 %
- Since 201112 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
57 % · Heating oil
- Heating oil57 %
- Heat pump34 %
- Wood5 %
- Electricity4 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Heating oil | 57 % | 40 % |
| Heat pump | 34 % | 6.1 % |
| Electricity | 4 % | 48.6 % |
| Wood | 5 % | 3.3 % |
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)60.5 %
- Heat pump34.1 %
- Central electric heating2.9 %
- Stove1.4 %
- Direct electric heaters0.7 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses74 %
- Two-dwelling houses8.5 %
- Apartment buildings (3+)17.5 %
7.1 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 113 m²
- median dwelling area
- 120 m²
Renovations, heritage and volumes
For homeowners planning renovations in Würenlos, the RegBL data provides critical context. Regarding heritage protection, 264 out of 1367 known buildings are officially protected, necessitating early contact with the municipality to clarify permit requirements. Data coverage remains partial in other areas: information on the renovation year is unavailable for all 1479 buildings. Furthermore, the volume of 1094 houses is documented without reference to the SIA 416 standard. Consequently, assessing the scale of insulation or heating works is less straightforward, and homeowners should consult technical experts to determine accurate requirements given the absence of median volume figures.
264
buildings flagged as protected
status known for 1'367 of 1'479 buildings; check with the municipality
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
The importance of thermal insulation
During a roof renovation, it is crucial to consider efficient insulation. Insulating the roof together with the covering is often eligible for the Buildings Programme, a federal and cantonal support mechanism that can significantly reduce your costs.
Well-planned insulation limits heat loss in winter and keeps the house cool in summer. Before starting your work, assess the condition of your roof structure and ensure the chosen insulation materials meet current standards.
Use the RenoIndex simulator to estimate the average costs associated with these interventions in your area and better manage your overall budget.
Integration of photovoltaic solutions
The energy transition is a key concern. If you take advantage of your renovation to install solar panels, remember that existing solar panels must be removed and refitted: budget for it.
It is wise to synchronize the roof renovation with the solar installation to optimize labor costs. Also, check the load-bearing capacity of your roof structure before installation.
A well-integrated project increases your property value in the long term while offering you greater energy autonomy. Consult RenoIndex to get a precise estimate including the technical specifications specific to your roof.
Environmental factors and materials
In Würenlos, as in the whole canton of Aargau, the climate imposes constraints. At altitude, snow loads and frost influence the choice of covering materials and the roof structure.
It is essential to select durable materials capable of withstanding local weather conditions. Clay tiles, concrete tiles, or metal roofs have varying resistances that should be analyzed with a professional. Also, take into account future maintenance.
For an estimate of the costs related to different materials based on your roof area, the RenoIndex tool is an essential resource to anticipate your expenses without unpleasant surprises.
Financial planning of your project
Renovating a roof is a significant investment. Beyond material and labor costs, expenses for scaffolding, waste disposal, and any necessary permits must be included. In Switzerland, costs can vary depending on the roof's complexity and the chosen insulation.
Do not overlook the available aid at the level of the canton of Aargau for energy renovations. To obtain a realistic price range adapted to your specific situation, use our RenoIndex simulator.
It allows you to model your needs and quickly get a reliable estimate, facilitating your discussions with local craftsmen and your financial institution.
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 67.3 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.chMalerei Top Demestre
2746 Crémines · about 71.1 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 71.1 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
Do I need a permit to renovate my roof?
Generally, a simple replacement of tiles with identical ones does not require a permit. However, any modification of the exterior appearance, change of material, or addition of solar panels may require prior notification to the municipality. Inquire with the local authorities of Würenlos before starting work.
What grants can I get for insulation?
In the canton of Aargau, grants are often available through the Buildings Programme for work improving energy efficiency, such as roof thermal insulation. These aids aim to encourage sustainable renovation. Check the current eligibility conditions and the forms to be completed on the official website of the canton before starting the work.
How much does a roof renovation cost?
The cost varies depending on the area, material type, and insulation installed. It is best to use the free RenoIndex simulator to get a personalized and realistic price range for your home. This will provide a solid foundation for comparing quotes from local craftsmen.
Can I install solar panels on my existing roof?
Yes, it is entirely possible, but the roof structure must be checked to support the additional weight. Do not forget to include the budget for the removal and refitting of tiles if necessary. Joint planning with a roof renovation often allows for optimizing overall costs.
Works often combined in Würenlos
Other works in Würenlos
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade