Insulation in Saint-Gilles
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Insulation prices in Belgium (2026)
| Roof insulation (interior) | 25 to 60 EUR/m² |
| Cavity wall insulation | 20 to 30 EUR/m² |
Indicative ranges observed in Belgium in 2026. The exact price depends on the job: compare several quotes.
Good to know: VAT drops to 6% (instead of 21%) for works on a private home older than 10 years.
Frequently asked questions
How much does a insulation cost in Saint-Gilles?
As a guide in 2026: roof insulation (interior) 25 to 60 EUR/m², cavity wall insulation 20 to 30 EUR/m². The final price depends on the job; VAT is 6% for homes older than 10 years, otherwise 21%. Compare several quotes.
How to check a insulation before signing?
Check the CBE company number (active, right activity), ask for a detailed written quote and read reviews from past clients. On Batizzy, every pro is CBE-verified and reviews come from real jobs.
How to get free quotes in Saint-Gilles?
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