Complete Guide to Renovation Grants by Trade (Luxembourg 2025)
Publié le 5/1/2025
Complete Guide to Renovation Grants in Luxembourg (2025)
Planning a renovation project?
Great news: in Luxembourg, several public grants are available to help you reduce your costs — up to 50% in some cases.
This guide breaks it down by type of work, with:
- ✅ What’s eligible
- ✅ What conditions apply
- ✅ What amounts you can expect
- ✅ How to find the right contractors to help
🛠️ Prohabitat.lu does not handle paperwork, but connects you with professionals who do this every day.
🧱 Insulation Works: Grants and Requirements
💡 Financial support for insulation
- Klimabonus (formerly PRIMe House)
- Up to €120/m² for walls, roof, or floor insulation
- Bonus if you improve your energy class
📌 Eligibility for insulation grants
- Property built before 2017
- Work done by a certified contractor
- Use of approved materials
🎯 Tip: An energy audit boosts your chances and your grant amount.
🔥 Heating System Upgrade: What You Can Receive
💡 Available grants for heating replacements
- Up to €5,000 for heat pumps, pellet boilers, or solar thermal systems
- Additional bonus if combined with insulation
📌 Conditions for heating grants
- Replacing an old or inefficient system
- Certified equipment only
- Installed by an approved professional
🌬️ Installing a Ventilation System: Specific Aid
💡 Grant for double-flow ventilation systems
- Up to €1,750 for a certified mechanical ventilation system
📌 Requirements for ventilation aid
- Passivhaus or equivalent certification
- Correct system sizing
- Installed by a qualified technician
🚪 Windows & Doors: Get Help to Improve Efficiency
💡 Funding for window and door replacements
- Up to €200 per window (triple glazing)
- Up to €300 per high-efficiency entrance door
📌 Conditions for carpentry-related grants
- Replacing older units
- Uw ≤ 0.9 W/m²·K
- Installed by a skilled tradesperson
🏠 Full Renovations: Combined Aid Opportunities
💡 Bonus for global renovation projects
- Combine grants across multiple trades
- Performance-based bonuses
- Up to €40,000 or more possible
📌 Conditions for comprehensive aid
- Energy audit strongly advised
- Logical sequencing of works
- All work must meet technical requirements
📞 We’ll Connect You With a Trusted Contractor
Through Prohabitat.lu, you’ll find:
- Companies with experience in government-funded projects
- Contractors who know the documentation needed
- Professionals who can explain the process clearly
