Dubach Construction Bois Sàrl
2827 Mervelier · about 23.8 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.chRoof renovation · Langenthal

At a glance
Small project
CHF 15'600 – CHF 35'900
Typical project
CHF 28'300 – CHF 62'500
Large project
CHF 47'300 – CHF 102'300
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 70 m² | CHF 15'600 | CHF 35'900 | CHF 300 |
| Typical project | 140 m² | CHF 28'300 | CHF 62'500 | CHF 300 |
| Large project | 245 m² | CHF 47'300 | CHF 102'300 | CHF 300 |
Computed with our estimator for Langenthal (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Langenthal, the federal building register lists 3'011 residential buildings and 8'072 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
69 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
51 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 51 % | 45.4 % |
| Heating oil | 18 % | 14.3 % |
| District heating | 1 % | 0.6 % |
| Heat pump | 21 % | 12.8 % |
| Electricity | 2 % | 21 % |
| Wood | 7 % | 2.8 % |
| Solar thermal | 0 % | 1 % |
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.
12 % of buildings mix housing with shops or offices.
For renovation planning in Langenthal, official building register figures provide essential insights. With 8 buildings classified under heritage protection out of 223 known, early consultation with local authorities is vital regarding permit requirements. Regarding building volume, the median is 877 m3 based on the SIA 416 standard; however, this reflects only 37 houses out of 1904, indicating partial data coverage. Understanding these metrics helps homeowners accurately scope insulation and heating upgrades. Use these indicators as a foundation for your renovation strategy, while noting that official heritage status dictates the specific constraints applied to your property improvements.
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.
2827 Mervelier · about 23.8 km
Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.
solubois.ch2747 Seehof · about 24.2 km
Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.
welibois.ch2746 Crémines · about 27 km
Specialized company for painting, facade renovation, surface cleaning, and wood treatment for both interior and exterior residential projects.
malerei-top-demestre.com2746 Crémines · about 27 km
L.A Rénovation Lebrun offers versatile renovation services including painting, facade maintenance, and roof repairs.
lebrun-renovation-la.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.