Windows and Doors Luxembourg 2026 : Klimabonus €70/m², Brands and Prices
Table of contents (6)
Klimabonus Wunnen 2026 : Luxembourg's Window Replacement Grant
Since 4 January 2026, the Klimabonus Wunnen has replaced PRIMe House, managed by the AEV via MyGuichet.lu. Prior approval is mandatory before work begins.
| Item | Klimabonus Grant 2026 |
|---|---|
| Window/frame replacement | €70/m² of glazed surface replaced |
| Energy audit (with energy adviser) | Up to €3,300 (house) / €4,200 (apartment) |
| Global renovation cap | Up to €24,000 |
| Reduced VAT | 3% instead of 17% |
Requirements: building older than 10 years. Existing window with Uw > 1.0 W/m²K. Roof windows: replacement mandatory if Uw > 1.4 W/m²K, heated attic, and window older than 10 years. Prior approval deadline: 31 December 2030.
Window Brand Comparison
| Brand | Material | Minimum Uw | Installed price (€/window) | LU presence |
|---|---|---|---|---|
| Internorm | PVC, Wood/Alu | 0.64 W/m²K | €800–2,500 | Via France/BE network |
| Schüco | Aluminium, PVC | 0.80 W/m²K | €1,200–4,000 | Koch S.A. — Leudelange |
| REHAU | PVC | 0.79 W/m²K (triple) | €500–900 | Via local joiners |
| VEKA | PVC | 0.70 W/m²K | €400–900 | Via local joiners |
| Salamander bluEvolution | PVC | 0.73 W/m²K | €450–950 | Via local joiners |
| Velux | Wood/Alu (roof) | 0.90–1.40 W/m²K | €500–1,500 | veluxshop.lu |
| Fakro | Wood/PVC (roof) | ~1.00 W/m²K | €400–1,200 | Via fakro.be |
Window Prices in Luxembourg 2026
| Window type | Material | Glazing | Average installed price |
|---|---|---|---|
| Standard window | PVC | Double | €500–650 |
| Standard window | PVC | Triple | €750–900 |
| Standard window | Aluminium | Double | €920–1,800 |
| Standard window | Aluminium | Triple | €1,200–2,500 |
| Standard window | Wood-Alu | Triple | €1,200–2,500 |
| Roof window (Velux) | Wood/Alu | Standard | €500–1,500 |
Triple glazing adds approximately 20–30% to the price versus double. Installation only: €100–200 per window.
Which Brand to Choose?
- Maximum performance (passivhaus): Internorm — Uw 0.64 W/m²K, triple glazing as standard
- Premium aluminium: Schüco via Koch S.A. Leudelange — direct Luxembourg presence
- Best PVC value: REHAU (€500–900) or VEKA (€400–900)
- Budget: VEKA or Salamander — Uw < 0.73 W/m²K, Klimabonus-eligible
- Roof windows: Velux (veluxshop.lu) or Fakro (15–20% cheaper)
Recognised Window Installers in Luxembourg
- Koch S.A. (Leudelange) — official Schüco distributor, showroom
- Metalica — 500 m² showroom, full aluminium/PVC/wood range
- Winfox SARL (Steinsel) — PVC and aluminium, multi-brand
- CG Atelier — aluminium, wood-alu, PVC frames
- Brever Luxembourg — wood, aluminium, steel, premium segment
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Frequently asked questions
The Klimabonus Wunnen 2026 offers €70/m² of glazed surface replaced. The global renovation cap is €24,000. VAT is reduced to 3%. The main condition: building older than 10 years with an existing window Uw > 1.0 W/m²K. For a full house with 10 windows (approx. 15 m²), the Klimabonus grant equals around €1,050.
Yes, entirely. PRIMe House was replaced by Klimabonus Wunnen on 4 January 2026. The new scheme offers €70/m² for window replacement, with mandatory prior approval on MyGuichet.lu before work begins. Applications can be submitted until 31 December 2030.
For maximum performance (passivhaus), Internorm (Uw 0.64 W/m²K) leads. For premium aluminium, Schüco via Koch S.A. in Leudelange is the direct Luxembourg reference. For best PVC value, REHAU and VEKA (Uw 0.70–0.79 W/m²K) at €500–900/window installed are recommended.
PVC triple-glazed window: €750–900 installed. Aluminium triple-glazed: €1,200–2,500. The Klimabonus covers €70/m² of glazing — for a 1.5 m² window that is €105 direct subsidy. Full replacement (10 windows, ~15 m²) = up to €1,050 in Klimabonus. Prices include the 3% reduced VAT.
Data verified in April 2026