Advice & news
Our advice on windows, frames and doors: materials, insulation, grants and renovation.
Updated: September 2026
How to apply for a renovation subsidy for windows in Belgium, region by region
Renovation subsidy for windows in Belgium, region by region: audit first in Wallonia, application after works in Flanders, ECORENO and 6% VAT in Brussels.
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Updated: September 2026
Window quotes: 10 points to check before you choose
Two window quotes, two very different prices? The 10 points to compare — Uw, glazing, hardware, fitting, guarantees — to choose with confidence.
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Updated: September 2026
Double or triple glazing: which is right for your home?
Triple glazing is not always the best choice. Performance, weight, solar gains, budget: how to choose the glazing suited to your home.
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Updated: August 2026
Condensation after replacing your windows: is it normal?
Mist after fitting new windows: interior, exterior, between panes or infiltration? How to tell the difference and what to do about it.
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Updated: September 2026
How much does a PVC window cost in Belgium?
What budget should you plan for a PVC window in Belgium? Indicative 2026 prices, price per m² and the factors that shape your quote.
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Updated: August 2026
Painting PVC windows: why it is generally not recommended
Can you repaint PVC windows? Adhesion, dark colours overheating, maintenance, guarantee — and the durable alternatives for changing colour.
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Updated: September 2026
PVC or aluminium: how to choose for your doors and windows?
PVC or aluminium for your windows? Insulation (Uw), large sizes, acoustics, budget and combining both materials: the guide to choosing well.
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Updated: September 2026
When should you replace your front door?
Repair or replace your front door? Draughts, infiltration, security, insulation (Ud): the signs to watch for to make the right decision.
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Updated: August 2026
How to clean white PVC windows without damaging them
Clean white PVC windows without damaging them: lukewarm water, pH-neutral soap, soft cloth, steps and products to avoid, seal and drainage care.
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