Hallenbarter & Russi Gebäudetechnik AG
3988 Obergoms · about 129.2 km
Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.
hallenbarter-russi.chRoof renovation · St. Gallen
Roof renovation in St. Gallen: Guide and tips
Performing a roof renovation in St. Gallen is a major investment to protect your building against local weather conditions. A well-insulated and sound roof improves energy efficiency, lowers heating costs, and increases property value. Whether you are planning repairs or a complete refurbishment, careful planning is essential. Use our free RenoIndex estimator now to get a precise price range and manage your renovation project in the canton of St. Gallen with confidence.
At a glance
- Typical budget
- CHF 26'400 – CHF 58'300
- Midpoint
- CHF 40'000
- Grants found
- 0
- Nearby companies
- 4
Worked examples in St. Gallen
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 St. Gallen (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 20'000 (50 %)
- Materials : CHF 16'000 (40 %)
- Other costs : CHF 4'000 (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
St. Gallen's housing stock in figures
In St. Gallen, the federal building register lists 8'987 residential buildings and 43'827 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
74 % built before 1980
- Before 191936 %
- 1919–19455 %
- 1946–196013 %
- 1961–197010 %
- 1971–198010 %
- 1981–19907 %
- 1991–20006 %
- 2001–20105 %
- Since 20116 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
38 % · Gas
- Gas38 %
- Heating oil22 %
- Heat pump20 %
- District heating16 %
- Wood2 %
- Electricity1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 38 % | 27.4 % |
| Heating oil | 22 % | 14.1 % |
| District heating | 16 % | 13.9 % |
| Heat pump | 20 % | 17.3 % |
| Electricity | 1 % | 17 % |
| Wood | 2 % | 0.5 % |
| Solar thermal | 0 % | 9.6 % |
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)61.7 %
- Heat pump20.4 %
- Heat exchanger (district)16.4 %
- Condensing boiler0.7 %
- Central electric heating0.7 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses36.6 %
- Two-dwelling houses5.6 %
- Apartment buildings (3+)57.9 %
12.8 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 3
- median footprint
- 144 m²
- median dwelling area
- 82 m²
Renovations, heritage and volumes
For your renovation projects in St. Gallen, the RegBL data provides essential guidance. With 122 protected heritage buildings out of 147 known, contacting the municipality early is vital for securing building permits. Data regarding house volume is partial, covering only 3 buildings measured under the SIA 416 standard with a median of 805 m3; this metric helps scale your insulation or heating works. Please note that the renovation year is not recorded for any of the 8987 buildings listed in this register, meaning this specific information is currently unavailable for your strategic planning.
122
buildings flagged as protected
status known for 147 of 8'987 buildings; check with the municipality
805 m³
median house volume (SIA 416)
measured for 3 of 3'286 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Optimizing energy efficiency
During a roof renovation, thermal insulation is a priority. Insulating the roof together with the covering is an excellent strategy to maximize building performance while achieving economies of scale.
This approach is often eligible for the Buildings Programme, a key Swiss financial support scheme for improving the thermal envelope of homes.
By limiting heat loss through the roof, you reduce your energy consumption and carbon footprint long-term while significantly improving your indoor comfort during both summer and winter.
Managing solar equipment
The energy transition encourages the installation of photovoltaic panels. If your current roof is already equipped with solar panels, their removal and refitting must be budgeted for from the start of your project.
This operation requires specialized professionals to ensure the system remains watertight and functional after the roofing work. Do not underestimate the costs associated with this logistics, as rigorous planning prevents financial surprises.
Also, ensure the support structure can handle the combined weight of the tiles and the solar modules.
Adapting materials to the climate
The St. Gallen region has specific climatic conditions that must be taken into account. At altitude, heavy snow loads and intense frost directly influence the choice of covering materials.
It is crucial to select resistant tiles or materials capable of withstanding these mechanical and thermal stresses. A poor choice of material could lead to premature cracking or water infiltration.
Consult local experts to choose sustainable solutions that meet local climate requirements while ensuring the durability of your roof for decades to come.
Planning and budgeting
Roof renovation is a major project requiring careful anticipation. Beyond materials and labor, you must include scaffolding costs, construction waste management, and any administrative permits required in the canton of St. Gallen.
Using the RenoIndex simulator is a key step to obtaining a reliable cost estimate before contacting local companies.
Clear planning helps you prioritize investments, such as thermal insulation, while respecting your overall budget to ensure the success of your renovation work.
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
Dubach Construction Bois Sàrl
2827 Mervelier · about 138.4 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chWelibois S.A.
2747 Seehof · about 141.6 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.chMalerei Top Demestre
2746 Crémines · about 145.2 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 renovation be planned?
Renovation is necessary if you notice water leaks, broken tiles, or insufficient insulation. Generally, a roof should be inspected every 10 years. A complete renovation is often recommended after 30 to 50 years to ensure watertightness.
Is insulation work subsidized?
Yes, thermal insulation work is often eligible for the Buildings Programme. It is recommended to check the specific criteria with the authorities of the canton of St. Gallen before starting your work to understand the grant conditions.
How to estimate the cost?
The cost depends on the area, chosen materials, and the condition of the roof frame. To get a quick price range, you can use our free RenoIndex estimator, which provides a solid basis for discussing with local professionals.
Can I install solar during renovation?
This is the ideal time to install solar panels. You will save on scaffolding costs by combining roof refurbishment with the PV installation. Don't forget to check if your roof frame can support this additional weight.
Works often combined in St. Gallen
Solar panels cost in St. GallenFacade insulation cost in St. GallenWindow replacement cost in St. Gallen
Other works in St. Gallen
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingTerrace constructionFence installationStairwell renovationElevator installation or upgrade