wirbauen AG, Zweigniederlassung Alterswil
1715 Alterswil FR · about 17.6 km
Fribourg-based construction company with 150 years of experience, active in building construction, civil engineering, and sustainable infrastructure.
wirbauen.chTerrace construction · Köniz

At a glance
Small project
CHF 3'800 – CHF 12'900
Typical project
CHF 6'500 – CHF 21'100
Large project
CHF 10'700 – CHF 34'000
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 13 m² | CHF 3'800 | CHF 12'900 | CHF 600 |
| Typical project | 25 m² | CHF 6'500 | CHF 21'100 | CHF 500 |
| Large project | 44 m² | CHF 10'700 | CHF 34'000 | CHF 400 |
Computed with our estimator for Köniz (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Köniz, the federal building register lists 6'582 residential buildings and 22'394 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
67 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
40 % · Heating oil
This distribution describes recorded buildings, not your system's consumption or efficiency.
For your renovation planning in Köniz, the federal building register provides key indicators. The median building volume is 835 cubic metres according to SIA 416, which is vital for scaling your heating and insulation works, although this measurement covers only 29 buildings. Regarding heritage protection, zero buildings are currently classified as protected. Please note that data coverage for these figures is partial. We strongly recommend contacting the municipal authorities early in your planning process to clarify any specific local requirements for your property, ensuring that your renovation project complies with all necessary standards and regulatory expectations.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
The success of a terrace does not depend solely on its aesthetic covering. Stability relies above all on the quality of the base.
Whether it is a poured concrete slab, adjustable pedestals, or a compacted gravel bed, the base must ensure perfect drainage to prevent water infiltration.
Rigorous preparation prevents soil subsidence and ensures your terrace remains level over the years, despite temperature variations. A proper foundation is the most cost-effective investment to avoid expensive long-term repairs.
In the canton of Bern, winters can be particularly harsh. If you choose pavers, natural stone slabs, or tiles, it is crucial to select materials certified as frost-resistant. Porous materials that absorb moisture can crack or shatter during winter frost.
To avoid this, prefer low-porosity products and ensure installation uses appropriate joints to allow for natural thermal expansion. A durable terrace is designed to withstand repeated freeze-thaw cycles effectively.
A simple ground-level terrace rarely requires a permit, but the situation changes if your project includes a roof, significant elevation, or if your property is located in a protected area. A covered or raised terrace may require a municipal permit.
Consulting the local planning department helps avoid legal complications or subsequent requirements to remove the structure. Ensure you are compliant before purchasing your materials.
The total cost of a terrace varies significantly depending on surface area, choice of covering, and the complexity of terrain preparation. Between materials, labor, and site clearance, the budget can climb quickly.
To get a realistic estimate adapted to your needs, use our RenoIndex tool. Our online estimator provides you with a quick price range based on local market standards.
This will help you better prepare for discussions with local contractors and effectively control your project budget.
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.
1715 Alterswil FR · about 17.6 km
Fribourg-based construction company with 150 years of experience, active in building construction, civil engineering, and sustainable infrastructure.
wirbauen.ch1712 Tafers · about 18.5 km
The JPF Group is a general contractor active in construction, renovation, timber work, civil engineering, and outdoor landscaping.
jpf.ch1712 Tafers · about 18.5 km
Fribourg-based general contractor with 150 years of experience, specializing in sustainable construction, civil engineering, and residential projects.
wirbauen.ch1712 Tafers · about 18.5 km
Derguti GmbH is a general contractor active in construction, masonry, demolition, and real estate development.
derguti-bau.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Yes, a municipal permit may be required if your terrace is raised or covered. Check with the Köniz planning department to verify local rules before starting your project.
Prefer dense natural stone slabs or low-porosity tiles specifically certified for outdoor use. A good drainage layer underneath is just as important to prevent frost cracks.
Use the RenoIndex estimator to get a free price range. This will help you budget for material and labor costs based on the planned surface area.
Absolutely. A well-prepared base, whether concrete or gravel, ensures the stability and durability of your terrace by preventing soil settlement and moisture-related issues.