Premiums and/or legal provisions (EPB)

We help you to understand them

These are the premiums and EPB (Energy performance of buildings) regulations in force since early 2019 in the Walloon, Flemish and Brussels-Capital Regions.

In Walloon Region

In Walloon Region, since 1 April 2015, the allowance for replacing exterior joinery in an existing home is: 15€/m²/max 40m² (if the household income does not exceed 93,000 €).

( in euro )
( based on income)
< 21.900 + 200%
21.900 - 31.100 + 100%
31.100 - 41.100 + 50% 

- The allowance can be increased on the basis of household income.
- The allowance does not exceed 70% of the amount of the invoice.

More infos:

Phone number0800/11901 Website

Service Info-Conseils logement on phone number 081/33.23.10

Brussels-Capital Region

Since 2015 in Brussels-Capital Region, a premium is offered for the replacement of low-performance glazing with high-efficiency glazing in existing homes (new building excluded).

Premiums vary depending on income:
- Basic premium = for all types of applicants. 

- Premium if average income = or households proving that their incomes are between 30,000€ and 60,000€/year.

- Premium if low income = for households proving that their incomes are less or equal to 30,000€/year.

The premium is:
10€/m2 of glazing
basic income
15€/m2 of glazing
average income
20€/m2 of glazing
low income
The bonuses are:
+ 5 €/m² of glazing
if glazing: 0.6 W/m²K < Ug ≤ 1.0 W/m²K if existing windows: 0.6 W/m²K < Ug ≤ 1.1 W/m²K
+ 10 €/m² of glazing
if U glazing ≤ 0.6 W/m²
+ 5 /m² of glazing
if new wood frames NOT certified sustainable
+ 30 /m² of glazing
if new wood frames certified sustainable


More infos:

Phone number02/775 75 75 Website

From your municipal administration.

Flemish Region

Here’s how much premiums have been since 2015 in Flemish Region for replacing single or double glazing with high-efficiency glazing for existing homes (= connected to the electricity grid since 1/1/2006):

- Replacement of single glazing with high-efficiency glazing with a U-value of max. 11W/m²K: 12€/m².
- Replacement of double glazing with high-efficiency glazing with a U-value of max. 0.8W/m²K: 15€/m².

In addition to these different premiums, there are various benefits such as:

- Premium for renovations for low incomes or people with disabilities
- Acoustic insulation premium in certain areas
- Premium for building renovation in the broadest sense

Not to mention different renovation credit formulas, which we can study together when buying your new windows.

More infos:

Phone number1700 Website

From the Flemish Region