Why choose Avenir Renovations?
Why renovate a condominium?
Collective buildings built before the year 2000 often require significant upgrading work, both for safety and for aesthetics or energy performance.
Improve collective energy performance
By renovating the building envelope (roof, walls, frames), installing more efficient ventilation or centralized heating systems, the overall energy performance score is improved, which reduces costs and increases rental value.
Bring installations up to standard
Common area electricity, elevators, fire safety, boiler compliance: these are all elements that must comply with current regulations to avoid any risk or penalty.
Preserve the structure and anticipate damage
Infiltrations, cracks, mold… Building pathologies are often collective. Preventive or corrective renovation allows to preserve the structure of the building and avoid much heavier costs in the future.
Our services for condominium renovation
We work in conjunction with property managers, homeowner associations, or management councils, for well-prepared, transparent, and structured projects.
The most common renovations in co-ownership
Renovations in co-ownership help improve the comfort of residents, save energy, and preserve the building's value in the long term.
In co-ownership, the roof is often the first lever for energy savings. Effective insulation reduces thermal losses, improves comfort on the upper floors, and lowers collective heating bills. This type of work may qualify for regional grants (Wallonia, Brussels, Flanders) and fits perfectly into a collective energy performance strategy.
Facades, frames, and glazing play a crucial role in the aesthetics as well as the energy efficiency of a building. Replastering, insulating walls from the outside, or replacing old windows with double or triple glazing improves the building's appearance while enhancing its acoustic and thermal insulation. These are valuable investments for all co-owners.
Collective heating, hot water production, ventilation, or lighting of common areas: these facilities must regularly be upgraded to remain compliant with standards, efficient, and economical. Installing a condensing boiler, switching to a modular heating system, or controlled ventilation allows for better management of co-ownership charges and meets current environmental requirements.
What is the price of a condominium renovation in Belgium?
Prices vary according to the size of the building, the type of work, materials, and technical constraints.
| Type of condominium renovation | Average price including tax / m² |
| Renovation of common areas | 100 to 300 € |
| Facade insulation from the outside | 120 to 180 € |
| Roof renovation | 150 to 250 € |
| Global renovation (structure + energy) | 600 to 1,200 € |
A quote can be established in several lots, with comparative scenarios to facilitate decisions in the general assembly.
The advantages of entrusting renovation to Avenir Rénovations
A single project manager for the entire building
A centralized coordinator communicates with the property manager, co-owners, and companies, for a smooth and well-monitored project.
Clear quotes, tailored for voting in the general assembly
We prepare the technical and budgetary elements to facilitate decision-making in the general assembly, with possible variations.
Technical expertise on collective buildings
Our teams are accustomed to working on multi-story buildings, with access constraints, collective standards, and multiple coordination.
A rigorously planned construction site
Respect for neighbors, schedules, common access: everything is anticipated to minimize the impact on occupants.
FAQ: renovation in condominiums in Belgium
How to initiate a renovation project in a condominium?
The first step is to have a diagnosis or audit of the building established. This document highlights urgent issues, weaknesses, and areas for improvement. Then, the property manager or the condominium council convenes a general assembly to discuss the project, vote on budgets, and mandate a company. Avenir Rénovations can support this analysis phase, propose several costed options, and answer all technical questions during the general assembly.
What assistance is available for collective renovation?
Condominiums can benefit from energy grants in Walloon Region or Brussels, provided that work is done on the envelope (insulation, frames) or systems (heating, ventilation). A collective energy performance audit is often required. Avenir Rénovations helps you identify eligible grants, complete the files, and plan interventions to meet the granting conditions.
How to organize a construction site without disturbing occupants?
It’s all a matter of planning and communication. We define a precise schedule, with phased interventions, displayed planning, protected access, and respect for condominium rules. We ensure to limit noise disturbances, dust, and guarantee the safety of common areas throughout the work.
A renovated condominium, a valued building
Anticipating the renovation of a building means avoiding emergencies, spreading costs over time, and providing a pleasant and sustainable living environment for residents. Trust your collective project to Avenir Rénovations for a well-executed mission, with complete transparency.
