Why choose Avenir Renovations?
Why renovate an exterior wall?
Wall renovation is not just aesthetic. It is structural, energy-efficient, and protective.
Stop water infiltration and humidity
Cracks, porous joints, or poorly protected walls can allow water to pass through and cause damage inside. Quick intervention prevents more extensive work.
Untreated infiltrations can lead to mold, efflorescence, weakening of masonry, or degradation of interior finishes. Repairing a damaged wall in time also preserves air quality and the health of the occupants.
Enhance thermal insulation
An old wall without insulation is often responsible for 25% of heat loss. Insulating from the outside or updating the linings immediately improves your energy performance score (PEB).
Adding effective insulation significantly reduces energy consumption while making the home more comfortable in both winter and summer. This also contributes to the long-term value enhancement of the property.
Enhance the appearance of the building
Renovating a wall means restoring the facade to its original state or giving it a more contemporary style, according to your desires and budget.
Whether you choose to preserve an old charm or modernize the finishes, the result directly impacts the image of your home. A well-maintained facade immediately enhances the perceived value of the property.
Our solutions for renovating your exterior walls
We adapt our intervention according to the condition of the wall, its material, its age, and its function (load-bearing or not).
The advantages of entrusting the renovation of your walls to Avenir Rénovations
Entrusting the renovation of your walls to Avenir Rénovations means choosing expertise, durability, and comprehensive support. From material analysis to finishing touches, we guarantee an aesthetic, coordinated result that is eligible for available assistance.
Stone, concrete, brick, flint: each wall has its specificities. We analyze them before proposing a solution.
Our study includes observing the structural condition, exposure to the elements, potential infiltrations, and the thermal behavior of the wall.
Mineral coatings, cladding, plaster: we offer a finish in harmony with the style of the house.
We work with breathable materials, compatible with old supports, and that offer a wide choice of textures and colors. Each finish is selected according to your tastes and budget.
Masons, facade specialists, scaffolders, waterproofers: we bring together all the necessary skills, with a single point of contact.
Our project coordinator ensures compliance with deadlines, the proper sequence of steps, and regular communication with the client. You stay informed at every phase of the project.
If we add a layer of thermal insulation, you may benefit from regional energy assistance, under certain conditions.
We assist you in compiling the file, from the energy performance audit to the final supporting documents, to help you maximize the available subsidies according to your region (Wallonia, Brussels, Flanders).
What is the price of an exterior wall renovation in Belgium?
Prices vary according to the material, the condition of the wall, the desired finish, and any insulation.
| Type of wall renovation | Average price including tax / m² |
| Cleaning + stone treatment | 60 to 100 € |
| Coating on concrete block wall | 80 to 120 € |
| External thermal insulation with plaster or cladding | 100 to 160 € |
| Complete restoration of flint wall | On personalized quote |
A detailed quote is provided after an on-site inspection. It takes into account the total surface area, the materials used, the accessibility of the site, and any technical constraints.
FAQ: Renovation of Exterior Walls in Belgium
Can I insulate a stone or flint wall without altering its appearance?
Yes. The best method is to insulate from the inside using breathable materials (wood wool, lime-hemp, earth plaster). This helps maintain the hygrothermal balance of the wall and avoids thermal bridges while preserving the original appearance on the outside.
We prioritize solutions compatible with old buildings and avoid any waterproof barrier that could trap moisture.
Do I need a permit to redo an exterior wall?
Not always. If you keep the initial appearance (cleaning, repair), no authorization is necessary. However, in the case of visual modifications (cladding, color, exterior insulation), an urban planning declaration may be required. We assist you with these procedures.
We check the regulations in force in your municipality and help you compile a compliant file if a permit is required.
What is the timeframe for renovating a wall?
A wall renovation project typically lasts:
- 2 to 5 days for a simple facelift
- 1 to 2 weeks for insulation with finishing
- Longer if the wall is made of stone or flint with specific techniques
We establish a precise schedule from the start of the project.
We also anticipate weather or supply constraints to ensure deadlines are met.
Give a new lease of life to your exterior walls
Healthy, insulated, and aesthetic walls mean a better-protected, more comfortable, and more beautiful home. Trust your facade work to Avenir Rénovations for a controlled and sustainable renovation.
Request your free quote now. Our experts guide you through every step of your project, from technical analysis to the completion of the work.
