Renovation Grants in Belgium: Complete Overview for Flanders, Wallonia and Brussels

Renovation grants 2025 Belgium - now is the time to improve your home and recover up to 90% of your costs through government subsidies. Whether you live in Flanders, Wallonia or Brussels: 2025 brings significant changes to grant ceilings, amounts and income brackets. If you are planning to renovate - insulation, heat pumps, windows, roofing, electrical work - knowing the current rules is essential. This article provides a complete overview of renovation grants 2025 Belgium, broken down by region, with practical steps and concrete figures.

Flanders: Mijn VerbouwPremie 2025 (revised from July 2025)

Flanders offers the most comprehensive grants through Mijn VerbouwPremie - a merger of the former renovation and energy grants from Fluvius:​

Which works are covered?

Mijn VerbouwPremie 2025 Flanders applies to:

• Roof insulation & roof renovation
• Wall & facade insulation
• Floor insulation
• Windows & doors (exterior joinery)
• Heat pumps & solar water heaters
• Electrical & plumbing works
• Interior renovation (partition walls, ceilings)
• Ventilation systems

Conditions

• Property must be at least 15 years old (exceptions apply for renewable energy)
• Works carried out by a registered contractor (DIY does not qualify)
• Application submitted within 2 years of the final invoice
• Owner-occupiers, landlords, or other investors​

Amounts: the big change in July 2025

Until 30 June 2025 there were 3 income brackets. From 1 July 2025 there will be 4:​

Important: Maximum amounts per type of work depend on surface area. For example, roof insulation:​

• Lowest income: max. €4,025 (up to 35% of invoice amount)
• Middle income: max. €2,875 (up to 25% of invoice amount)
• Highest income: €8/m² up to max. 100 m² = max. €800 (up to 40% of invoice amount)​

Until 1 March 2026: All income brackets can apply for grants covering all types of works.​

From 1 March 2026: Only the lowest and middle income brackets will be able to apply for grants covering all works. The highest income brackets will only receive grants for heat pumps and heat pump water heaters.​

How to apply in Flanders?

1. Make sure your contractor is registered (check the Fluvius list)
2. Obtain the final invoice + certificate from your contractor
3. Go to www.mijnverbouwpremie.vlaanderen.be
4. Complete the online application with invoices, certificate and photos
5. Await approval (usually 3-8 weeks)
6. Grant is paid into your account​

Wallonia: Premie Habitation 2025 (revised February 2025)

Wallonia offers the Premie Habitation - a restructured system introduced on 14 February 2025:​

Which works are covered?

Premie Habitation 2025 Wallonia applies to:

• Home energy audit (by a certified auditor)
• Roof insulation & roof renovation
• Wall & facade insulation
• Floor insulation
• Exterior joinery (windows, doors)
• Heating & hot water
• Ventilation
• Safety & health measures​

Conditions

• Property must be at least 15 years old
• Owner-occupiers only (tenants are no longer eligible since 14 February 2025)
• Home energy audit is mandatory (except for roofing) - carried out by a certified auditor
• Works must be carried out by a registered contractor
• Private residential properties only (not commercial buildings)​

Amounts: income-dependent

Wallonia uses income multipliers: a base amount multiplied by a factor (1, 2, 3, 4 or 6) depending on household income:​

Example - roof insulation:

• Lowest income: base amount × 6
• Middle income: base amount × 3
• Higher income: base amount × 1

The exact amount depends on household composition and type of work. Grants can reach up to 90% for the lowest incomes.​

Important: grants discontinued

• Grant for "heating appliances": Discontinued 14 February 2025
• Grant for "minor works without audit": Discontinued 14 February 2025
• Audit grant & works grants: Still available​

How to apply in Wallonia?

1. Step 1: Book a certified home energy auditor
2. Step 2: Auditor carries out and submits the report
3. Step 3: Apply for the audit grant (up to 8 months after the audit) via Mon Espace Wallonie
4. Step 4: Have the recommended works carried out by a registered contractor
5. Step 5: Collect final invoices, photos (before/during/after) and technical appendices
6. Step 6: Complete the works grant application and send it to the address on the form
7. Processing time: 2-3 months​

Timing: You have 7 years after the audit to carry out the works.​

Brussels: RENOLUTION grants 2025 (uncertain situation)

Brussels offers RENOLUTION grants - but the system is currently uncertain due to budget constraints and the formation of a new government:​

Which works are covered?

RENOLUTION grants apply to:

• Energy audit
• Roof insulation
• Facade insulation (interior/exterior)
• Windows & doors
• Floor insulation
• Heating & heat pumps
• Solar water heaters
• Controlled mechanical ventilation​

Status 2025: WARNING

RENOLUTION grants for 2025 SUSPENDED:

• RENOLUTION grants for 2025 cannot (currently) be applied for in respect of works with a final invoice dated in 2025
• Only grants for works with a final invoice dated BEFORE 31 December 2024 can still be applied for
• Reduced VAT (6%) for heat pumps: Expired on 31 December 2024​

What is still available:

• Gas boiler replacement grant (while budget lasts)​
• ECORENO loan: Pre-financing loan for renovation works​

How to apply in Brussels?

1. Visit Renolution.brussels for the latest updates
2. Apply via IRISbox (Brussels Capital Region's online portal)
3. Works must be carried out by professional contractors
4. Buildings must be at least 10 years old​

Advice: Wait for an official announcement from the new Brussels government regarding the 2025 grant scheme, as the situation remains uncertain.​

Comparison: Flanders vs. Wallonia vs. Brussels

Practical tips: maximise your grants

1. Choose a registered contractor

All three regions require registered contractors. DIY works do not qualify for grants.​

2. Gather your documents in advance

• Quotes with detailed descriptions
• Proof of income (tax assessment)
• Identity document
• Energy audit (mandatory in Wallonia)​

3. Submit your application BEFORE starting work (in some regions)

In Wallonia, you must have an audit completed BEFORE starting any works.​

In Flanders, you can apply after completion of the works (up to 2 years later).​

4. Combine with other forms of support

• Reduced VAT: 6% for certain works (insulation, windows)
• Renewable energy bonus: Heat pump grants are often higher
• Total renovation bonus: Larger projects may qualify for an additional bonus​

5. Timing is critical

For Flanders: until 1 March 2026 all income brackets can apply for grants. After that date, restrictions apply for higher incomes.​

For Wallonia: 14 February 2025 saw many existing grants discontinued. The new system is now active.​

Frequently asked questions

Q: Can I claim grants for both roof insulation AND attic floor insulation?

A: No. In Flanders, you receive a grant for either roof insulation or attic floor insulation - not both, when the same space is concerned.​

Q: How long does approval take?

A: Flanders: 3-8 weeks. Wallonia: 2-3 months. Brussels: currently uncertain.​

Q: Can I combine renovation grants with a renovation loan?

A: Yes. In all three regions you can combine reduced-rate loans with grants. The grant amount is deducted from the loan balance.​

Q: If I sell my home, can I still claim a grant?

A: You can apply for grants as long as you are the owner at the time of the invoice. Applying after the sale becomes more complicated. Check with your local authority.​

Conclusion: Renovation grants 2025 Belgium

Renovation grants 2025 Belgium offer substantial support - up to 50% in Flanders and up to 90% in Wallonia. For anyone planning to renovate, 2025 is a strategic moment: the changes are significant (Flanders in July, Wallonia in February, Brussels uncertain), so inform yourself now.

Steps:

1. Identify your region (Flanders/Wallonia/Brussels)
2. Check your income bracket
3. Collect quotes from registered contractors
4. Submit your application (or arrange an audit in Wallonia)
5. Have the works carried out
6. Collect your final invoice and photographic evidence
7. Apply for your grant

With careful planning, you can reduce your renovation costs by tens of thousands of euros.

Need help? Request a free estimate from registered contractors, or contact your local authority for information on local grants.