Dubach Construction Bois Sàrl
2827 Mervelier · about 91.9 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chRoof renovation · Gossau (ZH)
Roof renovation in Gossau (ZH): guide and advice
Roof renovation is a crucial step to ensure the longevity of your home in Gossau. A roof in good condition protects your structure against the elements while improving the building's overall energy efficiency. Whether you are replacing old tiles or redoing the waterproofing, planning your project well is essential. For an accurate cost estimate tailored to your project, use the free RenoIndex estimator, which will provide you with a price range in Swiss francs adapted to the local context and requirements.
At a glance
- Typical budget
- CHF 30'200 – CHF 66'600
- Midpoint
- CHF 45'700
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Gossau (ZH)
Small project
CHF 16'700 – CHF 38'300
Typical project
CHF 30'200 – CHF 66'600
Large project
CHF 50'500 – CHF 109'100
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 70 m² | CHF 16'700 | CHF 38'300 | CHF 400 |
| Typical project | 140 m² | CHF 30'200 | CHF 66'600 | CHF 300 |
| Large project | 245 m² | CHF 50'500 | CHF 109'100 | CHF 300 |
Computed with our estimator for Gossau (ZH) (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 22'900 (50 %)
- Materials : CHF 18'300 (40 %)
- Other costs : CHF 4'600 (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
Gossau (ZH)'s housing stock in figures
In Gossau (ZH), the federal building register lists 2'150 residential buildings and 4'899 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
54 % built before 1980
- Before 191922 %
- 1919–19452 %
- 1946–19605 %
- 1961–19709 %
- 1971–198016 %
- 1981–199013 %
- 1991–200015 %
- 2001–20108 %
- Since 201110 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
42 % · Heat pump
- Heat pump42 %
- Heating oil38 %
- Gas9 %
- Wood7 %
- Electricity3 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 9 % | 8.2 % |
| Heating oil | 38 % | 28.5 % |
| Heat pump | 42 % | 22.9 % |
| Electricity | 3 % | 35.6 % |
| Wood | 7 % | 3.6 % |
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)49.8 %
- Heat pump42.3 %
- Stove3.7 %
- Central electric heating2.1 %
- Direct electric heaters1.1 %
- Condensing boiler0.8 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses69.2 %
- Two-dwelling houses9 %
- Apartment buildings (3+)21.8 %
9 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 110 m²
- median dwelling area
- 110 m²
Renovations, heritage and volumes
For your renovation plans in Gossau (ZH), federal building records provide useful baseline figures. The median house volume is 727 m3 according to the SIA 416 standard, which is vital for scaling your heating and insulation upgrades appropriately. Please note this measurement covers only 33 out of 1488 houses, as other standards apply to the rest. Regarding heritage protection, data is known for 533 out of 2150 buildings, with none currently listed as protected. Because the data coverage for these indicators remains partial, we recommend verifying specific site requirements with the local municipal authorities early in your project.
0
buildings flagged as protected
status known for 533 of 2'150 buildings; check with the municipality
727 m³
median house volume (SIA 416)
measured for 33 of 1'488 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Importance of thermal insulation
When renovating your roof, it is highly advisable to review your insulation. Insulating the roof together with the covering is an excellent strategy to limit heat loss. This approach is often eligible for the Buildings Programme, a national incentive scheme.
High-performance insulation drastically reduces your heating bills and improves your indoor comfort all year round. Remember to check the current energy standards to optimize your investment over the long term while maintaining building quality.
Management of solar panels
If your roof is already equipped with solar panels, their presence necessarily influences the progress of the work. It is imperative to budget for the removal and refitting of these installations.
This process requires the intervention of specialized professionals to ensure that the photovoltaic system remains functional and waterproof after being replaced. Anticipating this step avoids unforeseen extra costs during the project.
Use the RenoIndex estimator to integrate these specific expenses into your overall renovation estimate.
Adaptation to weather conditions
Geographical location plays a decisive role in the choice of roofing materials. At altitude, snow loads and frost influence the material choice significantly.
It is therefore crucial to select robust materials adapted to local climatic constraints to avoid premature weakening. Discussing with local roofers often provides recommendations on the best technical options.
RenoIndex helps you understand how these material choices influence the final costs of your project in Gossau, ensuring you make well-informed decisions for your property.
Planning and budgeting
Renovating a roof is a significant investment that requires rigorous planning. Beyond materials, do not forget to include the costs of installation, scaffolding, and any permits required according to the rules in the canton of Zurich.
A clear vision of your budget will allow you to prioritize essential work such as waterproofing before aesthetic finishes. RenoIndex simplifies this step by offering a reliable tool to estimate your work.
By using our services, you obtain a price range consistent with the current Swiss market.
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
Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 94.6 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chWelibois S.A.
2747 Seehof · about 94.6 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.chMalerei Top Demestre
2746 Crémines · about 98.2 km
Specialized company for painting, facade renovation, surface cleaning, and wood treatment for both interior and exterior residential projects.
malerei-top-demestre.comSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
When should a roof renovation be planned?
A renovation is recommended if you notice leaks, broken tiles, or aging insulation. It is better to act before major water damage occurs. Generally, inspect your roof every 20 to 30 years to prevent serious structural problems and ensure the long-term integrity of your property.
What financial grants are available?
For insulation work, you can apply to the Buildings Programme. Grants vary by canton, including the canton of Zurich. It is advisable to verify your project's eligibility before starting the work to take full advantage of available national and cantonal financial support.
Do I need a permit to renovate my roof?
In the canton of Zurich, some modifications require a building permit, especially if the exterior appearance changes or you add dormer windows. Always contact the competent authorities to confirm the applicable local regulations before starting renovation work on your roof.
How long does roof renovation take?
The duration depends on the roof size, materials chosen, and the extent of the insulation. On average, allow for a few weeks for a single-family home. Weather conditions can also influence the schedule. Plan with your contractors to get a realistic estimate based on your specific requirements.
Works often combined in Gossau (ZH)
Solar panels cost in Gossau (ZH)Facade insulation cost in Gossau (ZH)Window replacement cost in Gossau (ZH)
Other works in Gossau (ZH)
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade