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The installation of a roof frame is often carried out as part of the construction or renovation of a house. It can also occur on various occasions: roof cracks, water infiltration, thermal losses, etc. Before starting the work, it is essential to assess the cost of a roof frame. The amount will, of course, depend on several factors: the surface area, access to the site, the type of roof frame, the quality of the chosen materials, the craftsman hired, etc.
Renovating a roof frame in lost attics offers many advantages, particularly in terms of savings and thermal comfort. However, the cost can vary according to several criteria: the size of the roof, the complexity of access, the experience of the craftsman, the quality of the materials.
For a project in Belgium, the price of a roof frame in lost attics remains relatively accessible: expect around 100 €/m², excluding installation. Hiring a professional will provide you with a free and detailed quote tailored to your situation.
The replacement or installation of a frame for converted attics is a more technical intervention than a standard installation: passage of technical ducts, integration of roof windows, thermal and acoustic insulation, difficult accessibility… All these parameters directly influence the budget.
In Belgium, it can be estimated that the installation is on average around 80 €/m², but this price can rise up to 100 €/m² or more if access to the roof is complex or if specific adjustments are necessary.
| Type of work | Average price /m²* |
| Purchase and installation of a "closed" frame (e.g., farm frame) | ≈ 100 €/m² |
| Installation of a metal frame | ≈ 80 €/m² |
| Traditional frame, materials and installation included | ≈ 200 €/m² |
| Acquisition and installation of a flat roof frame | ≈ 160 €/m² |
*Indicative amounts for Belgium, excluding special conditions and according to standard site.
The farm frame, very common in modern construction in Belgium, is distinguished by its lightness, quick implementation, and good insulating performance. It adapts well to attics as well as other roof areas. Its main advantage remains its attractive price: expect between 40 and 70 € per square meter, while with installation, the total cost can rise up to 130 €/m².
To reduce expenses, you can entrust your project to our company specialized in complete renovation. Our qualified craftsmen carry out a rigorous installation while respecting the configuration of your roof. Request a custom quote without delay: an expert will come to take measurements and provide an accurate estimate according to your needs.
A project for frame installation? Start it today by sending us the details of your construction.
Suitable for any type of building, the traditional framework charms with its authentic appeal. It enhances architecture and allows for customization of the fit-out of the attic. However, it remains more expensive than the truss framework: the price of materials can reach 110 €/m², and with installation, the total budget is around 210 €/m².
At Avenir Rénovations Belgium, you can reduce the overall cost: buy your framework in our store and let our team handle the installation to benefit from a VAT reduction.
Are you planning construction or renovation work? Check out our real estate renovation guide to discover our detailed rates and all our services.
Are you planning to install a framework?
Launch your project today by sending us your needs and information about your future construction.
The flat roof integrates perfectly with certain contemporary architectures. It offers the possibility to create a terrace or cover an outdoor extension. The price of materials ranges between 30 and 60 €/m², and with labor, the total cost can reach 150 €/m².
Different materials can be considered for the renovation. Wood is an excellent option for enhancing thermal comfort, especially with species like spruce, pine, oak, or fir. Concrete, on the other hand, provides a solid and durable structure, ideal for constructions requiring great stability. Finally, steel appeals with its robustness and quick implementation, making it a particularly practical solution for sites demanding efficiency and strength.
The price of a flat framework therefore depends on the chosen material, the area to be covered, and the complexity of the work.
Various parameters influence the price of a metal framework:
The average cost of supplies generally varies between 75 and 170 €/m², to which about 100 € for installation is added.
To obtain an accurate estimate, request a free quote from our company: a Project Manager will visit to examine your roof and its specifics. You will also find a wide selection of quality metal frameworks at competitive prices in our Belgian online store, ideal for your roofing projects.
