Subsidy 2026 vs 2027: what changes for triple glazing?
Choosing triple glazing in new window frames? Then it matters when you buy. Under current plans, ISDE drops from €111 to €55 per m² in 2027.
Comparison in one table
| Topic | Purchase in 2026 | Purchase in 2027 |
|---|---|---|
| Triple glazing in new window frames | up to €111/m² | €55/m² (under current plans) |
| Installation in 2027 | You keep €111/m² if the purchase is proven by 31 December 2026 (under current plans) | €55/m² (under current plans) |
| What counts? | The purchase date, not the installation date | The purchase date, not the installation date |
In 2026 ISDE applies to 3 to 45 m² of glass. HR++ glass receives €25/m² in 2026.
ISDE is a government scheme run by RVO (Netherlands Enterprise Agency). There you will find the official conditions and the application.
Source: RVO, last checked 4 November 2026.
Example: 12 m² of triple glazing
Purchase in 2026
€1,332
12 × €111
Purchase in 2027
€660
12 × €55 (under current plans)
Difference
€672
Source: RVO, last checked 4 November 2026.
What should I do now?
Do the subsidy check to see roughly what you get back.
Go to the subsidy checkRequest a quote. You receive it within 24 hours after measuring.
Request a quoteRecord your purchase by 31 December 2026 with proof, such as a signed quote or order confirmation. Installation may then take place in 2027 (under current plans).
Keep your invoice and proof of payment. After installation you apply for ISDE with RVO.
FAQ: subsidy 2026 and 2027
Sources and official information
These websites have the official information about ISDE and insulating glass.
- RVO (Rijksdienst voor Ondernemend Nederland): ISDE
The official conditions, amounts and application for the national ISDE subsidy.
- Verbeterjehuis
An overview of national and local subsidies and loans for your home.
- Milieu Centraal
Independent information about insulating glass, such as HR++ and triple glazing.
Always check the latest conditions with your municipality and RVO.
Last checked: 4 November 2026