Gombau AG
3984 Fieschertal · about 158 km
Gombau AG is a construction company in Fieschertal specializing in civil engineering, building construction, and outdoor landscaping.
gombau.chTerrace construction · Widnau
Terrace construction in Widnau: A complete guide
Building a terrace in Widnau is an excellent way to increase your property value and enjoy your outdoor space. Whether you dream of a warm wooden deck or modern tiles, project success relies on rigorous planning. From ground preparation to material selection, every step is crucial for long-term durability. Use our free RenoIndex estimator to get a precise price range and tailor your budget to your specific renovation goals while planning your perfect outdoor oasis effectively.
At a glance
- Typical budget
- CHF 6'200 – CHF 20'200
- Midpoint
- CHF 11'600
- Grants found
- 0
- Nearby companies
- 4
Worked examples in Widnau
Small project
CHF 3'600 – CHF 12'400
Typical project
CHF 6'200 – CHF 20'200
Large project
CHF 10'300 – CHF 32'700
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 13 m² | CHF 3'600 | CHF 12'400 | CHF 500 |
| Typical project | 25 m² | CHF 6'200 | CHF 20'200 | CHF 500 |
| Large project | 44 m² | CHF 10'300 | CHF 32'700 | CHF 400 |
Computed with our estimator for Widnau (regional factor included), standard finish. Only the project size changes.
Cost split (typical project)
- Labour : CHF 5'800 (50 %)
- Materials : CHF 4'600 (40 %)
- Other costs : CHF 1'200 (10 %)
What the price covers
Included
- Supply and installation
- VAT
- Covering, base, removal and drainage according to answers
Not included
- Permits and architect fees
- Unexpected structural issues
- Possible subsidies
- Raised deck, guardrails, pergola and retaining wall
Widnau's housing stock in figures
In Widnau, the federal building register lists 2'328 residential buildings and 4'751 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
46 % built before 1980
- Before 19198 %
- 1919–19455 %
- 1946–19609 %
- 1961–197012 %
- 1971–198012 %
- 1981–199010 %
- 1991–200017 %
- 2001–201016 %
- Since 201112 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
37 % · Gas
- Gas37 %
- Heat pump37 %
- Heating oil25 %
- Wood1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Renovations, heritage and volumes
For your renovation projects in Widnau, the RegBL data provides essential guidance. With partial data coverage, note that 43 buildings are under heritage protection, necessitating specific permits; contact the municipality early to discuss your plans. Furthermore, for the 1853 houses recorded, the median volume according to SIA 416 standards is 42795 m3. This figure is a critical metric for accurately scaling your heating systems or insulation upgrades. Relying on these official specifications ensures that your renovation project is technically sound, regulatory compliant, and that your budget estimates remain realistic from the very beginning of your planning process.
43
buildings flagged as protected
status known for 64 of 2'328 buildings; check with the municipality
42'795 m³
median house volume (SIA 416)
measured for 1 of 1'853 houses
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
The crucial importance of the structure
The support of your terrace is the foundation of its durability. Whether it involves a concrete slab, pedestals, or a well-compacted gravel bed, the structure must be perfectly stable to avoid sagging or cracking in the long term.
Poor drainage can also compromise the entire installation. It is highly recommended to pay as much attention to what lies beneath the surface as to the exterior design.
A solid base guarantees lasting flatness and better resistance to the seasonal temperature changes observed in the St. Gallen region.
Materials and climate resistance
The local climate imposes specific constraints. In regions prone to frost like Widnau, the choice of surface materials is essential. It is imperative to select pavers, slabs, or tiles certified as frost-resistant to prevent cracking during winter.
If you opt for wood, choose rot-resistant or thermally treated varieties to withstand humidity. By selecting adapted materials, you minimize maintenance costs and extend the aesthetic lifespan of your terrace for many years to come.
Regulations and permits
A simple terrace at ground level is rarely subject to strict authorization, but once you plan a covered terrace, a raised structure, or one exceeding a certain height, municipal authorization usually becomes necessary.
Also, check the setback distances from neighboring plots. These rules aim to ensure the harmony of the urban landscape.
Anticipating these administrative procedures will save you unnecessary delays in your renovation schedule and ensure total peace of mind during construction.
Budget planning with RenoIndex
The cost of a terrace can vary significantly depending on size, chosen materials, and the complexity of ground preparation. To avoid unpleasant surprises, establishing a detailed estimate is essential.
RenoIndex supports you in this crucial step by offering a free estimate adapted to the Swiss market. In a few clicks, you will get a realistic price range that allows you to compare contractor offers and adjust your material choices.
Do not leave your budget to chance and use our tools to bring your terrace project to life with complete peace of mind.
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
J. Zornio S.A.
2826 Corban · about 163 km
Based in Corban, family-owned J. Zornio SA carries out masonry, reinforced concrete work, interior renovations, tiling and outdoor landscaping throughout the Jura.
zornio.chMalerei Top Demestre
2746 Crémines · about 165.2 km
Specialized company for painting, facade renovation, surface cleaning, and wood treatment for both interior and exterior residential projects.
malerei-top-demestre.comKD Constructions Sàrl
2832 Rebeuvelier · about 167.3 km
KD Constructions Sàrl, based in Rebeuvelier, specializes in general building construction and renovation services.
jurabitat.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Frequently asked questions
Do I need a permit for my terrace in Widnau?
It depends on the nature of the project. A terrace at ground level is often permit-free, but any raised or covered structure usually requires an application for authorization from the municipality. Check with local authorities to learn the rules in effect before you begin.
What are the best materials for frost resistance?
For cold regions, prioritize porcelain stoneware tiles, non-porous natural stone pavers, or specifically treated woods. These materials absorb little water, which significantly limits the risks of cracking associated with the freeze-thaw cycle during winter.
How can I estimate the cost of my work?
Use the free RenoIndex service to get a realistic price range based on your project. This allows you to adjust your budget while considering dimensions, type of covering, and the preparation needed for a successful project.
What role does the terrace base play?
The base is fundamental for stability. A well-drained and compacted support, whether concrete or gravel, prevents the structure from moving. It is the key to avoiding premature sagging and keeping the terrace in perfect condition.
Works often combined in Widnau
Other works in Widnau
Kitchen renovationBathroom renovationNew flooringInterior paintingWindow replacementRoof renovationFacade insulationHeat pump installationSolar panelsHome solar batterySolar water heatingFence installationStairwell renovationElevator installation or upgrade