Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 87.5 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chRoof renovation · Rapperswil-Jona

At a glance
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 Rapperswil-Jona (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Rapperswil-Jona, the federal building register lists 3'786 residential buildings and 14'034 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
53 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
42 % · Heat pump
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 41 % | 38.1 % |
| Heating oil | 13 % | 11.6 % |
| District heating | 0 % | 1.4 % |
| Heat pump | 42 % | 39.4 % |
| Electricity | 2 % | 3.8 % |
| Wood | 2 % | 1.4 % |
| Solar thermal | 0 % | 3.9 % |
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.
A standard non-condensing boiler is usually older and less efficient.
11 % of buildings mix housing with shops or offices.
For homeowners planning renovations in Rapperswil-Jona, official RegBL figures provide essential planning guidance. Regarding heritage protection, 78 buildings are identified as protected out of 403 known cases, making early coordination with municipal authorities regarding permits vital. The median building volume of 590 cubic meters, based on the SIA 416 standard, helps estimate the scale required for heating or insulation upgrades. Please note that data coverage is partial; only 3 buildings are measured under the SIA 416 standard, and there is no recorded information regarding renovation years for the 3786 total buildings registered in the municipality.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
When renovating your roof, it is crucial to think about insulation. Insulating the roof together with the covering is an effective strategy and is often eligible for the Buildings Programme, the national subsidy scheme.
A well-insulated roof significantly reduces your heating bills and improves indoor comfort throughout the year. Remember to check current energy performance standards to optimize your investment over the long term.
Proper insulation also prevents thermal bridges, thus protecting the building structure against moisture and damage related to condensation.
If your current roof is equipped with solar panels, their presence directly influences the planning of the work. The removal and refitting of the panels must be carefully budgeted to avoid unpleasant financial surprises.
It is often advisable to take advantage of the roof renovation to clean the panels or optimize their orientation and yield. A professional will be able to assess the condition of your current fixtures.
Ensure that the chosen company has the necessary expertise to handle this delicate equipment while guaranteeing the roof's tightness after reassembling the panels.
The choice of roofing materials must take local weather conditions into account. At altitude, significant snow loads and frost influence the choice of materials, which must be particularly robust and resistant to freeze-thaw cycles.
A roof adapted to these conditions guarantees maximum durability and minimizes future maintenance needs. Discuss with your roofer the most durable options for your region.
Higher-quality materials may have a higher initial cost, but they offer better protection against severe weather events, thus preserving the integrity of your roof for many decades.
A successful roof renovation requires exemplary budgetary rigor. In addition to material and labor costs, do not forget to include logistical expenses such as scaffolding or waste management.
Use the RenoIndex estimator to get a reliable price range and better plan your finances. It is always wise to set aside a contingency reserve, especially if the framework hides old structural damage.
Good planning allows for coordinating different trades, ensuring a smooth and fast construction site. Anticipating these elements ensures that your project stays within your initial budget while meeting your performance goals.
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.
3988 Obergoms · about 87.5 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.ch2827 Mervelier · about 97.2 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.ch2747 Seehof · about 99.4 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.ch2746 Crémines · about 102.9 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.
A renovation becomes necessary if you observe leaks, broken tiles, or excessive heat loss. If your roof is over 30 years old, a professional inspection is recommended to assess its condition. Use the RenoIndex estimator to estimate current costs.
Yes, the Buildings Programme offers subsidies for the thermal insulation of the building envelope. Check eligibility conditions before starting your work to optimize your project funding with RenoIndex.
The duration depends on the size of the roof, the complexity of the insulation, and the weather. On average, allow a few weeks for a complete renovation. Rigorous planning with your roofer helps minimize delays.
Absolutely. Taking advantage of a roof renovation is the perfect time to install solar panels. You will optimize scaffolding costs and prepare your home for the future. Remember to include these costs in your overall budget.