Why choose Avenir Renovations?
Why renovate the exterior wall of your house in Braine-l'Alleud
The reasons for renovating a facade are numerous. Here are the most common situations we encounter among Braine homeowners.
Water infiltration and humidity problems
A degraded repointing, a crack in the plaster, or porous bricks allow rainwater to enter the wall. In houses without external insulation, this humidity reaches the interior insulation or ceilings, creating mold and degrading thermal comfort. Acting quickly on the facade avoids much more costly interior repairs.
Loss of energy performance
A facade without external insulation represents a significant portion of a house's thermal losses. Combining the renovation of the facade with the installation of external insulation (ETICS system with finishing plaster or cladding) improves the building's energy balance without encroaching on the interior living space.
Degraded visual appearance
Blackened facade, cracked plaster, peeling paint, stained bricks: the exterior appearance of a house strongly influences its perceived value. A well-executed facelift refreshes a property and improves its positioning in the Braine real estate market.
Our services for exterior wall renovation in Braine-l'Alleud
Avenir Rénovations masters all facade renovation techniques, from surface treatment to complete envelope insulation.
The most common Braine facades and their treatment
The Braine real estate stock is varied in its facade materials. Each type requires specific treatment.
Facing brick is the most common material in Braine houses from the fifties to nineties. Its durability is excellent if the pointing is maintained. A brick facade with deteriorating joints absorbs rainwater and may have its internal structure weakened by successive freeze-thaw cycles during the Brabant winter. Preventive pointing every twenty to thirty years is the best way to preserve the brick in the long term.
The plastered houses from the seventies and eighties often show shrinkage cracks and areas of detachment. These cracks must be treated before any repainting, otherwise the problem will reappear within a few months. A cracked plaster allows water to enter but not to escape, creating blisters that peel off during the first frosts. Avenir Rénovations diagnoses the cracks (superficial or structural) before recommending the appropriate treatment.
Some houses in Braine, particularly those built or renovated in the 2000s, have wood or composite cladding. Wood requires regular maintenance (stain or oil every five to ten years) and replacement of the most degraded boards before they split. Composite requires no maintenance but can warp under extreme temperatures if poorly installed.
Price of exterior wall renovation in Braine-l'Alleud
Prices vary according to the surface area of the facade, the type of intervention, and the complexity of access (scaffolding, lift). Indicative estimates, VAT included.
| Type of work | Price indication including VAT |
| Simple facade renovation (cleaning + painting facade, per m²) | 25 to 50 €/m² |
| Brick repointing (per m²) | 40 to 80 €/m² |
| External insulation with plaster (per m²) | 100 to 160 €/m² |
| External insulation with cladding (per m²) | 130 to 200 €/m² |
For a front facade of one hundred and twenty square meters with external insulation in plaster, expect between 12,000 and 19,000 € including VAT, installation, and scaffolding. A precise quote is provided after measurements and inspection of the facade.
Renovate your facade in Braine-l'Alleud with Avenir Rénovations
A renovated facade protects your property, improves its energy efficiency, and enhances your property's value in the Braine residential landscape. Avenir Rénovations offers you a free technical visit to assess the condition of your exterior wall and recommend the appropriate solution. Call us to schedule the inspection date.
External insulation and energy performance in Braine-l'Alleud
External thermal insulation is the most effective solution for improving the energy efficiency of a Braine house without reducing the interior living space. Here’s how it fits into a facade renovation project.
The ETICS system (insulation panels + plaster)
The insulation panels (rock wool, graphite EPS, or PIR depending on the desired performance level) are glued and anchored to the existing facade. A reinforcement layer (glass mesh + base coat) ensures solidity. The finishing in mineral or organic plaster is applied in two passes. The total thickness reaches ten to sixteen centimeters depending on the insulation and thermal objective. This system is the most common in Belgium and benefits from solid feedback.
Ventilated cladding with underlying insulation
Ventilated cladding involves placing insulation (rock wool rolls) against the facade, then a ventilated air gap, and finally a finishing cladding (composite, fiber-cement, treated wood). The advantage of the ventilated air gap is to allow the evacuation of any moisture that may pass behind the cladding, thus avoiding condensation problems in the insulation. This is the recommended solution for facades that are highly exposed to driving rain.
The Walloon grant for wall insulation
In the Walloon Region, external wall insulation is eligible for grants as part of energy renovation assistance. The amount depends on the performance achieved, the household income, and the housing status. These grants must be requested before the start of the work. Avenir Rénovations informs you about the current conditions and can assist you in preparing your application.
Agency Avenir
Rénovations
for Exterior wall renovation in Braine-l'Alleud
An expert to take charge of your renovation projects and guarantee deadlines, budgets and quality of all services.
Exterior wall renovation in Braine-l'Alleud and everywhere in France
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