Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 143.1 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chRoof renovation · Au (SG)

At a glance
Small project
CHF 14'600 – CHF 33'500
Typical project
CHF 26'400 – CHF 58'300
Large project
CHF 44'200 – CHF 95'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 70 m² | CHF 14'600 | CHF 33'500 | CHF 300 |
| Typical project | 140 m² | CHF 26'400 | CHF 58'300 | CHF 300 |
| Large project | 245 m² | CHF 44'200 | CHF 95'500 | CHF 300 |
Computed with our estimator for Au (SG) (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Au (SG), the federal building register lists 1'541 residential buildings and 4'070 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
54 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
38 % · Heat pump
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 32 % | 21.3 % |
| Heating oil | 28 % | 21.2 % |
| Heat pump | 38 % | 32.8 % |
| Electricity | 1 % | 17.6 % |
| Wood | 2 % | 0.3 % |
| Solar thermal | 0 % | 6.7 % |
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.
10.1 % of buildings mix housing with shops or offices.
For your renovation projects in Au, data from the federal building register indicates that at least 9 buildings are subject to heritage protection, requiring early coordination with the municipality to secure necessary permits. Please note that data coverage is partial for certain indicators: information regarding the year of renovation and building volume according to the SIA 416 standard is not available in the current records. We advise you to verify these technical specifications directly with local authorities before proceeding with modernization plans or insulation upgrades to ensure your project aligns with municipal requirements and building standards.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
High-performance insulation significantly improves indoor comfort throughout the year. When planning your work, remember to check federal requirements to benefit from available subsidies.
To obtain a realistic price range for your specific renovation project in Au, use the free RenoIndex cost estimator.
Existing solar panels must be removed and refitted : budget for it. This expense item is often underestimated during initial planning. It is essential to hire qualified professionals to ensure that waterproofing is preserved when the modules are reinstalled.
By including these costs from the start, you avoid financial surprises. Use the RenoIndex estimator to anticipate these extra costs and get a reliable overview of the financing required for your complete renovation in Au (SG).
In Au, as in surrounding regions, weather conditions can vary. At altitude, snow loads and frost influence the choice of materials for your roof.
It is imperative to select robust products capable of withstanding freeze-thaw cycles and the weight of accumulated snow. A local professional can advise you on the most suitable materials to ensure the longevity of your installation.
Do not forget to consult RenoIndex to obtain a cost estimate based on the specifics of your roof project in the canton of St. Gallen.
A successful roof renovation requires a structured approach. Start by performing a complete assessment of the current state of your roof structure and covering. Once needs are identified, request several quotes to compare services.
Transparency is the key to a successful project. RenoIndex helps you structure this step by providing an indicative price range for your project.
By mastering costs from the start, you optimize your investment while ensuring a durable and aesthetic result for your home located in the municipality of Au (SG).
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 143.1 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.ch2827 Mervelier · about 158.8 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.ch2747 Seehof · about 161.9 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.ch2746 Crémines · about 165.6 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.
Support primarily depends on the Buildings Programme, which supports thermal insulation measures. Check the current conditions of the canton of St. Gallen to see if your energy-related renovation work is eligible for federal or cantonal funding before starting your project.
For a quick and reliable estimate of your roof renovation costs, use the free RenoIndex tool. It allows you to set a price range adapted to the specifics of your home in Au (SG) while taking into account local standards.
Yes, if you are redoing the waterproofing or structure of your roof, the solar panels must be removed and reinstalled. This process requires the intervention of qualified professionals and must be included in your overall renovation budget from the start.
Absolutely. Resistance to frost and snow loads is crucial in the canton of St. Gallen. The choice of your tiles or insulation system must imperatively meet these climatic constraints to guarantee the durability of your roof.