overview subsidies flanders
Floor Insulation
6 €/m²
(R-value at least 2 m²K/W)
(R-value at least 2 m²K/W)
> 4.5 cm = insulation boards (0.021 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
Crawl basement insulation
6 €/m²
(R-value at least 2 m²K/W)
(R-value at least 2 m²K/W)
> 4.5 cm = insulation boards (0.021 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
Attic floor insulation
6 €/m²
(R-value at least 4.5 m²K/W)
(R-value at least 4.5 m²K/W)
> 9.5 cm = insulation boards (0.021 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
> 22.5 cm = Iso-Bel 90 (0.050 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
> 22.5 cm = Iso-Bel 90 (0.050 W/mK)
Roof insulation
6 €/m²
(R-value at least 4.5 m²K/W)
(R-value at least 4.5 m²K/W)
> 9.5 cm = insulation boards (0.021 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
overview subsidies brussels
Floor insulation
20 to 30 €/m²
(R-value at least 2 m²K/W)
(R-value at least 2 m²K/W)
> 4.5 cm = insulation boards (0.021 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
Crawl basement insulation
20 to 30 €/m²
(R-value at least 3.5 m²K/W)
(R-value at least 3.5 m²K/W)
> 7.5 cm = insulation boards (0.021 W/mK)
> 10 cm = sprayed PUR (0.028 W/mK)
> 10 cm = sprayed PUR (0.028 W/mK)
Roof insulation
20 to 40 €/m²
(R-value at least 4 m²K/W)
(R-value at least 4 m²K/W)
> 8.5 cm = insulation boards (0.021 W/mK)
> 11.5 cm = sprayed PUR (0.028 W/mK)
> 11.5 cm = sprayed PUR (0.028 W/mK)
overview subsidies wallonia
Floor insulation
10 €/m² (up to 150 m²)
(R-value at least 2 m²K/W)
(R-value at least 2 m²K/W)
> 4.5 cm = insulation boards (0.021 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
> 6 cm = sprayed PUR (0.028 W/mK)
> 10 cm = Iso-Bel 90 (0.050 W/mK)
Crawl basement insulation
10 €/m²
(R-value at least 3.5 m²K/W)
(R-value at least 3.5 m²K/W)
> 7.5 cm = insulation boards (0.021 W/mK)
> 10 cm = sprayed PUR (0.028 W/mK)
> 10 cm = sprayed PUR (0.028 W/mK)
Crawl basement insulation
15 €/m²
(R-value at least 4.5 m²K/W)
(R-value at least 4.5 m²K/W)
> 9.5 cm = insulation boards (0.021 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
> 13 cm = sprayed PUR (0.028 W/mK)
