Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 123.5 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chRoof renovation · Gossau (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 Gossau (SG) (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Gossau (SG), the federal building register lists 2'643 residential buildings and 8'926 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
58 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
35 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 35 % | 28.5 % |
| Heating oil | 25 % | 17.1 % |
| Heat pump | 31 % | 30.6 % |
| Electricity | 2 % | 16.5 % |
| Wood | 6 % | 2.6 % |
| Solar thermal | 0 % | 4.3 % |
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.
A standard non-condensing boiler is usually older and less efficient.
14.8 % of buildings mix housing with shops or offices.
For your renovation projects in Gossau, the RegBL data provides essential guidance despite partial coverage. Among the 2643 total buildings, 44 have known heritage status, with 18 officially protected; you should contact the municipality early to discuss permit requirements. Regarding building volume, the median figure is 795 m3, which helps determine the scale of potential heating or insulation work. Please note that this volume metric is based on only 9 measured buildings, as 1485 properties rely on different or unknown standards. Utilizing these figures allows you to plan your renovation more effectively while respecting local requirements.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
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 123.5 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.ch2827 Mervelier · about 129.6 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.ch2747 Seehof · about 132.7 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.ch2746 Crémines · about 136.4 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.