ISDE Subsidy 2026

Insulation — Amsterdam & surroundings

ISDE subsidy 2026
up to 30% back

A fixed amount per m² via RVO. With two or more insulation measures within 24 months the amount doubles. We provide the ISDE-ready invoice and can file the application for you.

Reply within 24 hours
Fixed prices per m²
ISDE application handled
Rd values on invoice

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ISDE 2026

Get up to 30% of your insulation costs back

ISDE pays a fixed amount per m². One measure = base rate. Two or more measures within 24 months — for example roof and floor — doubles the amount for both. Biobased materials can add a bonus.


We handle it for you: we supply the specified invoice with RVO product codes, Rd values and areas, and can submit the application to RVO on your behalf.

Rates per m²

ISDE rates 2026

Measure1 measure2+ measuresBio bonus
External wall insulation€ 20.25€ 40.50+ € 6.00
Roof insulation€ 16.25€ 32.50+ € 5.00
Floor insulation€ 5.50€ 11.00+ € 2.00
Cavity wall insulation€ 5.25€ 10.50+ € 1.50
Attic floor insulation€ 4.00€ 8.00+ € 1.50
Ground insulation€ 3.00€ 6.00+ € 1.00

Amounts per m², ISDE 2026. Minimum area: 10 m² for cavity and façade, 20 m² for other measures. Apply within 24 months after completion. Current conditions: rvo.nl. Soundproofing and waterproofing are not covered by ISDE.

Conditions

What to watch for

  • Insulation must meet the Rd requirement (usually Rd ≥ 3.5 m²K/W; cavity Rd 1.1).
  • Invoice with product codes, Rd values and area in m².
  • Application within 24 months after handover.
  • Two or more measures within 24 months = doubled rates.
  • Biobased materials may unlock an extra bonus.
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Want to know how much subsidy you get back?

After a free survey you get a fixed price per m² including the expected ISDE amount. We can handle the full application for you.

+31 68 797 86 44 — Mon – Sat, 9:00 AM – 6:00 PM