Why choose Avenir Renovations?
The specific challenges of an architect-designed house in Wavre
Renovating an architect-designed house requires a different approach than an ordinary house. Here’s why.
Preserving architectural identity
Every choice of material, every modification of volume, every replacement of joinery must be considered so as not to betray the original intent. A standard PVC frame can distort a facade designed with fine aluminum profiles. Avenir Rénovations analyzes the building, its style, and its era before proposing compatible solutions.
Dealing with atypical configurations
Architect-designed houses often have open plans with large volumes, double heights, raw concrete walls to preserve, oversized joinery, and technical systems that do not meet standard norms. Each intervention requires a tailored solution, never off the shelf.
Improving performance without degrading aesthetics
The energy renovation of an architect-designed house is often the central challenge: how to insulate a volume with significant glazed surfaces, how to ventilate without disturbing the volumes, how to replace a heating system without visible unsightliness? We systematically seek the least intrusive solutions that achieve performance objectives.
Our interventions on architect-designed houses in Wavre
Avenir Rénovations intervenes on all aspects with respect for architecture as the guiding principle.
Energy renovation of an architect-designed house in Wavre
The thermal improvement of an architect-designed house is often the most demanding challenge of the project. Standard solutions are not suitable for buildings designed with a strong aesthetic.
External insulation is generally excluded on an architect-designed house as it alters the proportions and facade details. We prioritize internal insulation with high-performance materials that limit lost thickness: high-density rock wool, wood fiber panels, or vacuum insulation in the most constrained cases. The insulation of the walls is studied facade by facade to find the optimal solution.
Architect-designed houses often feature non-standard frames: very wide, very tall, curved, or pivoting. Replacing them with high-performance frames sometimes requires custom carpenters who work with high-end aluminum with profiles as thin as the original. Double glazing with enhanced insulation (Ug less than 1.0) is now available in all configurations.
Double-flow ventilation in a house with large volumes requires careful distribution to avoid conflicting with the architecture. We work with existing dimensions to integrate ducts into the false ceilings or partitions designed for this purpose. The air-to-air heat pump can advantageously replace an existing heating system without affecting the aesthetics of the envelope.
What is the price of an architect-designed house renovation in Wavre?
The budget varies according to the desired level of finish and the work to be done. Indicative ranges in Belgium, VAT included.
| Type of work | Price indication including VAT |
| Partial interior renovation (premium finishes) | 30,000 to 70,000 € |
| Complete renovation with premium materials (150 m²) | 100,000 to 200,000 € |
| Global renovation with energy improvement | 150,000 to 350,000 € |
A personalized quote is established after a visit and architectural analysis of the building. The additional cost related to specific materials and particular know-how is offset by the preserved heritage value of the property.
Administrative procedures in Wavre for an architect-designed house
Some architect-designed houses are subject to heritage protections or strict urban planning regulations in Brabant wallon. Before starting work on the facade or roof, we check if a building permit is required. In Wavre, municipal regulations may impose restrictions on modifications to volumes and exterior materials in certain neighborhoods. Avenir Rénovations assists you in preparing the file if a permit is necessary.
The heritage value of an architect-designed house in Wavre
Architect-designed houses stand out in the real estate market. A well-renovated house that respects its original concept maintains a higher value than standardized constructions in the same neighborhood. In Wavre and Brabant wallon, buyers looking for this type of property are willing to pay a premium for a house whose architecture is coherent and whose renovation has respected the original choices.
Documentation and archives
Before starting work, we advise you to gather everything you have on the history of the building: original plans if available, old photos, correspondence with the architect, initial building permits. These documents help to understand the intentions and to respect them. They can also be useful for administrative procedures if facade work is planned.
Coherence between new and existing
The new elements introduced during the renovation must interact with the existing without mimicking it. Adding a contemporary extension to a brutalist house from the seventies can work if the materials and proportions are well studied. Avenir Rénovations works with its specialized subcontractors to offer such solutions in Wavre.
Renovate your architect-designed house in Wavre while respecting its identity
A poorly renovated architect-designed house loses what makes it valuable. Renovating it while respecting the original concept requires method. Everything starts with the visit: analysis of the building, its style, and its era before proposing anything. Avenir Rénovations operates in Wavre on this type of project with subcontractors and materials suited to the existing architecture. The first visit is free and without obligation.
Agency Avenir
Rénovations
for Architect-designed house renovation in Wavre
An expert to take charge of your renovation projects and guarantee deadlines, budgets and quality of all services.
Architect-designed house renovation in Wavre and everywhere in France
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