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Are you considering work to reduce your energy expenses and enhance the thermal comfort of your home? Trust our Belgian specialists who are experts in interior wall insulation (ITI) and exterior insulation (ITE). At Avenir Rénovations Belgium, we offer customized solutions designed with high-performance and durable materials. Contact us today to get the price for exterior insulation of a 100 m² house and receive a quote tailored to your needs quickly.
In Belgium, Avenir Rénovations collaborates with a wide range of high-performance insulators to meet every need. When you contact us to optimize the energy performance of your home through external thermal insulation (ITE), we select the most suitable material for your building and budget.
Here is an overview of the average prices observed based on the chosen insulator:
| Type of insulator | Estimated price for 100 m² | Main advantages |
| Expanded polystyrene | 1,000 – 2,000 € | Excellent value for money, good thermal performance |
| Extruded polystyrene | About 2,000 € | Moisture and compression resistant |
| Rock wool | 1,500 – 3,000 € | Fire resistant, offers sound insulation and good permeability |
| Polyurethane | 1,500 – 2,500 € | High thermal insulation, low thickness required |
| Glass wool | 1,200 – 2,000 € | Lightweight, easy to install, good thermal performance |
| Wood fiber | 1,800 – 2,500 € | Natural, improves acoustic and thermal comfort |
| Cellulose wadding | About 1,800 € | Eco-friendly, durable, and breathable |
Highly valued in Belgium for its excellent insulating power and affordable price, expanded polystyrene is an ideal solution for thermal insulation projects. If you want to improve the energy comfort of a home of about 100 m², plan a budget between 1,000 € and 2,000 € for the purchase of the material. To know the total amount of your external insulation (ITE) work, contact us today and receive a personalized quote tailored to your project.
In Belgium, extruded polystyrene stands out for its superior performance compared to expanded polystyrene. Denser and more resistant, it is an excellent choice for external insulation work under render, thanks to its high waterproofing and strong compression resistance. If you are considering insulating a 100 m² home, expect to pay an average of about 2,000 € for the purchase of this type of insulator.
Widely used in Belgium for external thermal insulation, rock wool offers excellent fire resistance and significantly improves the acoustic comfort of the home. It is also a wise choice if you want to avoid moisture problems, thanks to its water vapor permeability. If you are budgeting for insulating a 100 m² home, plan for an amount between 1,500 and 3,000 € depending on the quality of the product and the complexity of the project.
In Belgium, polyurethane is recognized as one of the best insulators on the market. Durable and resistant, it provides excellent thermal performance while requiring a reduced thickness. This material is an ideal option for sustainably reducing your energy consumption and achieving long-term savings. For the external insulation of a 100 m² house, budget between 1,500 and 2,500 € for the supply of the material.
Comparable to rock wool, glass wool is a lightweight, economical, and easy-to-install material, widely used in insulation projects in Belgium. If you plan to insulate a 100 m² home with this material, budget between 1,200 and 2,000 €. For an accurate assessment of your project, contact Avenir Rénovations Belgique: you will receive a detailed quote, including a complete list of interventions and their estimated costs.
An ecological and efficient solution, wood fiber is highly valued for its insulating and acoustic properties. It promotes the natural regulation of humidity thanks to its vapor permeability and stands out as a responsible choice to reduce your environmental footprint. If your house is 100 m², budget between 1,800 and 2,500 € for the supply of wood fiber panels intended for external thermal insulation (ITE).
Made from recycled paper, cellulose wadding is an ecological, durable, and highly effective insulator for enhancing the energy performance of Belgian homes. Its natural composition makes it an ideal choice for environmentally friendly renovation projects. To insulate an area of about 100 m², budget around 1,800 € for the supply of the material. Contact Avenir Rénovations Belgique to obtain a personalized quote specifying the work to be done and their total cost.
In Belgium, several external thermal insulation (ITE) methods can be used depending on the type of building and the desired aesthetic finish. The most common technique remains insulation under render, ideal for masonry facades. For a house of about 100 m², the average budget to be expected ranges from 12,000 to 20,000 €, depending on the materials and the complexity of the project. Other insulation solutions can, however, be considered to effectively strengthen the exterior walls.
Here is an estimate of the average prices according to the chosen insulation method:
| External insulation technique | Average cost per m² (materials + installation) | Estimated total budget for 100 m² |
| Insulation with insulating render | 80 to 120 €/m² | 8,000 to 12,000 € |
| Insulation with rendered panels (ETICS system) | 100 to 180 €/m² | 10,000 to 18,000 € |
| Insulation with ventilated cladding (wood or metal frame) | 120 to 250 €/m² | 12,000 to 25,000 € |
| Insulation with cladding | 140 to 200 €/m² | 14,000 to 20,000 € |
| Insulation with vacuum panels (VIP) | 180 to 300 €/m² | 18,000 to 30,000 € |
Whether carried out under render or cladding, external thermal insulation (ITE) of a home in Belgium may require various additional works that are not always included in the initial quote from the craftsman. Here are the main services that may increase the overall cost of your project.
The energy study allows for a precise evaluation of the thermal performance of a home and identifies areas of heat loss. This analysis is essential to guide the choice of insulating materials and ensure an effective renovation. To obtain reliable results, it is recommended to consult a certified expert or an energy performance advisor (PEB), authorized to perform this type of diagnosis in Belgium.
An essential tool for detecting air leaks, the blower door test involves pressurizing the home using a fan installed on the main door. This operation helps identify leaks responsible for heat loss and improve the energy performance of the building. In Belgium, the average price for this test is around €550, depending on the size of the home and the chosen provider.
If you want to know the total cost of external insulation for a 100 m² house, it is also necessary to include certain related works. An extension of the roof may be necessary to maintain architectural coherence and the effectiveness of the eaves. Additionally, since an ITE is considered a façade renovation, it may be useful to plan for the replacement of exterior joinery, the installation of new gutters, or even aesthetic adjustments to achieve a harmonious finish.
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In Belgium, external thermal insulation represents a significant investment, but several regional financial aids help alleviate the cost. These public supports aim to encourage energy improvement works in housing, particularly for low-income households.
The Energy grants offered by the Walloon, Brussels, and Flemish Regions support individuals undertaking insulation works. Homeowners or tenants of a property over 10 years old can qualify. The amount of the grant varies depending on the type of insulation used, the energy performance achieved, and the household income. For example, in the Walloon Region, the grant for external wall insulation (ITE) can reach up to €0.90/kWh saved, amounting to several thousand euros for a 100 m² home.
Part of the regional energy renovation aids offered in Belgium, the Housing grant (formerly Energy grant and Renovation grant) encourages thermal insulation projects carried out by approved professionals. When you are eligible for this scheme, the amount of aid depends on your income and the energy performance achieved:
Do you want to know the actual cost of external insulation for a 100 m² house after deducting the regional grants? Contact Avenir Rénovations Belgium to receive a complete quote considering the available aids.
In Belgium, zero or low-interest loans (such as the Rénopack in Wallonia or the Green Loan in Brussels) facilitate the financing of insulation works. These schemes allow for gradual repayment of the cost of the works without paying interest. To be eligible, the property must be occupied as a primary residence and the works must be carried out by an approved company.
Energy renovation works, including external thermal insulation, can benefit from a reduced VAT rate of 6% in Belgium. This reduction applies to properties over 10 years old, whether occupied by the owner or a tenant. It covers both the supply of materials and the labor for installation, significantly reducing the total project cost.
Whether for interior insulation (ITI) or exterior insulation (ITE), it is essential to call upon a qualified Belgian company to ensure the quality and durability of the work. By choosing Avenir Rénovations Belgium, you benefit from the expertise of experienced craftsmen, active for over ten years in the field of energy renovation. Concerned about your satisfaction, our specialists offer you personalized solutions tailored to your budget and specific needs.
Do you want to improve the energy efficiency of your home through external thermal insulation? At Avenir Rénovations Belgium, we provide you with a qualified team capable of delivering a professional service at a competitive rate. From the first contact, your Project Manager schedules a technical visit to assess the nature and extent of the interventions to be carried out. A specialist in the insulation of walls, attics, roofs, and floors, he guides you towards the best options to reduce your heat loss and improve your overall comfort.
With Avenir Rénovations Belgium, you quickly receive a precise estimate for the exterior insulation of a 100 m² house. After the on-site visit and the collection of technical information, your Project Manager prepares a complete quote within eight days, including the nature of the materials used, their cost, as well as any additional work to be planned. You thus have a clear and transparent view of the budget required before the start of the project.
By entrusting us with your external insulation work, you benefit from tailored follow-up provided by a building expert. He assists you with the administrative procedures related to your renovation and informs you about the regional financial aids available to ease your expenses. Your Project Manager, your sole point of contact for the project, ensures compliance with deadlines, the quality of services, and the set budget.
Avenir Rénovations Belgium means opting for safety and reliability. Your Project Manager supervises every step of the project and conducts a thorough inspection once the work is completed. All our projects comply with the current Belgian standards and come with a ten-year warranty, ensuring you peace of mind and long-term durability for your external wall insulation (ITE).
