Subsidy for roof insulation in 2026?
Take advantage of the ISDE scheme!
Roof insulation is not only a smart choice for your energy bill, but also for your wallet thanks to attractive government subsidies. Have your roof insulated and receive up to €16.25 per m² refunded through the ISDE subsidy (Sustainable Energy Investment Subsidy). This way, sustainable living immediately becomes a lot more affordable!
Roof insulation is a smart investment, especially with the attractive subsidy from the ISDE scheme. But how does it work exactly? Below you'll find answers to frequently asked questions about roof insulation subsidies in 2025, including terms and conditions, the application process, and tips for receiving the maximum amount.
💸 How much subsidy can you get?
The government encourages energy-saving measures, including roof insulation. By 2025, the rules will be as follows:
- Minimum 20 m² roof surface required
- Up to €16.25 per m² subsidy possible
- Combine insulation and receive twice the subsidy
✅ Conditions in brief
- Your home was built before 2019
- The roof insulation is professionally applied
- The insulation value is at least 3.5 m²K/W
- Subsidy application 24 months after installation
🎯 Why have your roof insulated now?
- Directly lower energy costs
- Lower CO₂ emissions
- Increasing the value of your home
- Subsidy temporarily available
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Frequently asked questions about roof insulation subsidy
Roof insulation is a smart investment, especially with the attractive subsidy from the ISDE scheme. But how does it work exactly? Below you'll find answers to frequently asked questions about roof insulation subsidies in 2026, including terms and conditions, the application process, and tips for receiving the maximum amount.
In 2026, you'll receive €16.25 per m² if you only have roof insulation installed. If you combine this with a second measure, such as floor insulation or cavity wall insulation, the subsidy doubles to €32.50 per m². Biobased insulation yields an additional €5 per m².
Yes, to receive the higher subsidy of €32.50 per m², you must combine two or more insulation measures within 24 months. This could include roof insulation combined with cavity wall, floor, or glass insulation, or a sustainable system such as a heat pump.
After completing the work, you can apply for the subsidy via RVO.nlYou'll need invoices, photos, and a statement from the installer. We can help you apply for the subsidy if needed, so you don't miss out.
Both flat and pitched roofs are eligible for the ISDE subsidy, as long as the insulation is installed on the inside or outside and meets the minimum insulation value. Attic floor insulation can also count as roof insulation, provided it concerns unused space.
What do customers say about us?
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Our customers appreciate our clear communication, fast service, and durable quality. Read their experiences and discover why so many homeowners in Maassluis and the surrounding area choose us. King Roofing BV as a reliable roofing partner.
RatingI hired Koning Dakwerk to install a new roof, and they did a fantastic job. The team was friendly, knowledgeable, and completed the work on time. The roof looks great and feels very solid.
Sadik was able to come the same day for the leak and repaired it neatly. Very satisfied!
