Aquarenov Sàrl
1870 Monthey · about 0 km
Aquarenov is a Swiss company specializing in full bathroom and kitchen renovations, as well as sanitary and heating system installations.
aquarenov.chKitchen renovation · Monthey

At a glance
Small project
CHF 10'700 – CHF 31'600
Typical project
CHF 15'700 – CHF 47'500
Large project
CHF 23'100 – CHF 71'500
| Project | Quantity | Low | High | Per unit |
|---|---|---|---|---|
| Small project | 2 m | CHF 10'700 | CHF 31'600 | CHF 9'300 |
| Typical project | 4 m | CHF 15'700 | CHF 47'500 | CHF 6'800 |
| Large project | 7 m | CHF 23'100 | CHF 71'500 | CHF 5'800 |
Computed with our estimator for Monthey (regional factor included), standard finish. Only the project size changes.
Included
Not included
In Monthey, the federal building register lists 2'723 residential buildings and 9'846 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
51 % built before 1980
Construction year does not reveal past renovations: check the current insulation condition.
26 % · Gas
This distribution describes recorded buildings, not your system's consumption or efficiency.
For your renovation projects in Monthey, reviewing the federal building register is a vital first step. Among 2659 buildings, the heritage status is known for 108, with 2 currently protected, necessitating early contact with local authorities regarding permits. Regarding building scale, we have volume data for 111 houses following the SIA 416 standard, showing a median of 725 m3, which is essential for estimating heating or insulation costs. Please note that data coverage is partial, as no renovation year figures are available. Utilizing these official figures helps homeowners plan their renovations effectively within the municipality.
Source : Registre fédéral des bâtiments et des logements (RegBL), OFS, 2026. Existing residential buildings; percentages of recorded values.
Renovating your kitchen is a key step to adapting your home to the energy and thermal requirements of the Valais.7 °C and around 64 frost days per year, homes in Monthey are subject to significant climatic constraints.
A modern kitchen is not only an aesthetic asset; it is also an opportunity to integrate more efficient household appliances that reduce your overall consumption in a context of high thermal demand, characterized by 2711 heating degree-days per year.
It is wise to undertake these works during seasonal transition periods, avoiding the rigors of mid-winter in the Valais, which could complicate material storage or debris removal.
At an altitude of 407 meters, Monthey enjoys a temperate climate, but planning must take into account periods of intense cold.
Investing in a renovation also allows you to improve the sound and thermal insulation of your living space, ensuring increased comfort in the face of the region's climatic conditions.
Customizing your kitchen depends on crucial technical choices that influence not only the budget but also the durability of the installation. Measuring the base cabinets along the walls is the basis of the estimation.
Opting for laminate or solid wood fronts, choosing worktops made of natural stone or composite, or selecting motorized opening systems are all decisions that change the complexity of the work.
It is advisable to choose moisture-resistant and easy-to-maintain materials to withstand sustained daily use.
A fundamental point is to keep the location of the sink and water inlets. Any major modification to the sanitary networks requires heavy and costly plumbing work. The electrical distribution must also be rethought to support the power of the new appliances.
Finally, think about ergonomics : the layout in L, U, or with a central island will depend on the available surface area and your lifestyle habits. These choices must align with your long-term needs while respecting the structural constraints of your building.
The building stock in Monthey has varied characteristics linked to different construction eras. For buildings dating from before 1990, it is imperative to conduct an asbestos diagnostic before starting any demolition or structural modification work.
Managing old networks, particularly electrical and sanitary ones, requires special attention when renovating the kitchen.
In older buildings, walls may have irregularities that require significant surface preparation work to allow for the correct installation of new cabinets.
Thermal insulation of walls is also a determining factor in buildings from certain eras. Kitchen renovation is often the ideal time to reinforce the insulation of peripheral walls, especially in a region with a demanding winter design temperature.
If you are in a co-ownership (PPE), interventions on the drainage columns or ventilation systems are subject to the community's rules.
It is crucial to examine the building's technical file to identify any constraints linked to the load-bearing structure before starting your kitchen renovation works.
However, it is imperative to check with the municipal administration if your building is subject to specific heritage protections.
Although information on an ISOS inventory or protected sectors is not explicitly documented, a prior consultation with the municipality's technical department remains the essential safety rule to avoid any infringement.
If you are a tenant or a co-owner in a PPE, obtaining prior agreement from the landlord or the co-ownership is a mandatory step before ordering services or signing a quote.
In case of modifications affecting common installations, such as main water pipes or air evacuation systems, an official authorization from the co-ownership is necessary.
Complying with these procedures guarantees the sustainability of your project and avoids costly later disputes. Do not hesitate to ask municipal services for any questions regarding local construction regulations.
It is highly recommended to consult your tax advisor or the tax office to validate the eligibility of your work before execution.
Regarding specific financial aid, no local or cantonal subsidies were listed for this type of project. Should any incentive programs exist, the golden rule remains to apply before starting work: no application will be considered after the project is completed.
It is recommended to check regularly with cantonal authorities if measures to promote energy efficiency allow for financial support for the replacement of household appliances classified as very low consumption.
Transparency with tax authorities from the beginning of the project is the best way to optimize your investment.
Planning a kitchen construction site in Monthey follows several logical steps. It all starts with the design, where precise measurements of base cabinets along the walls are taken.
Once the project is validated and authorizations obtained if necessary, materials are ordered., the 64 annual frost days recorded, to facilitate deliveries and working conditions for craftsmen.
The project begins with the dismantling of the old kitchen, followed by the technical preparation of the electrical and sanitary networks. Then, the cabinets are installed, followed by the installation of the worktop and backsplashes.
Finishing and installing household appliances complete the operation. It is crucial to anticipate manufacturers' delivery lead times. Working with local professionals often helps better manage the coordination of trades.
Rigorous follow-up ensures that each step complies with the initial plans, guaranteeing a final result that meets expectations in a calm and organized environment.
To avoid pitfalls during your renovation, start by confirming the location of water inlets, as moving a sink generates unnecessary plumbing costs. Never neglect the agreement of the owner or the co-ownership before validating your order.
Measure the base cabinets along the walls with extreme precision. Check the state of the existing electrical installation to ensure it supports the new appliances. Do not underestimate the time needed to obtain professional advice.
Checklist before requesting a quote : 1. Have I measured the length of the base cabinets accurately? 2. Is the sink location fixed? 3. Have I obtained the agreement of the co-ownership or landlord? 4. Is the ventilation planned for the new configuration? 5.
Have I listed all the necessary appliances? 6. Are delivery lead times integrated into the schedule? 7. Are the plans validated by the craftsmen? 8. Does the budget include a margin for unforeseen events related to the old building?
These simple steps guarantee a successful project in Monthey.
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.
1870 Monthey · about 0 km
Aquarenov is a Swiss company specializing in full bathroom and kitchen renovations, as well as sanitary and heating system installations.
aquarenov.ch1870 Monthey · about 0 km
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Joinery located in Monthey specializing in the manufacture of kitchens, windows (wood, metal, PVC), doors, wardrobes, and custom bathroom furniture.
michellod-menuiserie.chSuggestions from the commercial register by distance and activity. Not an endorsement or partnership.
Generally, interior renovation does not require one. However, check with the municipality's technical department if you have doubts about the load-bearing structure.
Keep the current location of the sink and water inlets. This avoids costly modifications to the sanitary networks.
Yes, the length of the base cabinets along the walls is the determining factor for the price. It is the main indicator for quotes.
Yes, if you live in a PPE, it is mandatory to obtain the co-ownership's agreement. This prevents later legal problems.
Prefer periods without intense frost in Monthey. The 64 annual frost days can complicate site logistics.
No specific aid has been listed locally. Always inquire with authorities before starting work.
Before 1990, there is a risk of asbestos presence. It is imperative to perform a diagnostic before any demolition.
Source : Informations sur l'eau potable, monthey.ch · estimate
Source : raiffeisen.ch