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Expat mortgages1 min read

The 30% ruling and your Dutch mortgage — what lenders really do

A short, practical read on how the 30% ruling affects what banks will lend you — and the three questions that change the answer.

Updated 
Written by
Tim van HulstTeam Lead Mortgage
Reviewed by
Kim van der MandenCertified Mortgage Insurance and Wealth Advisor
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Why your lender values 30%-ruling income differently

Dutch mortgage lenders look at gross taxable income when they calculate how much you can borrow. The 30% ruling shrinks that figure — and the high-street rule of thumb misses €60k–€100k of borrowing capacity for most expats.

A handful of lenders treat the full pre-ruling gross as the basis. Knowing which ones, and asking before you make an offer, is the difference between getting the house and getting outbid.

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What to ask before you sign anything

  • Ask the lender how 30%-ruling income is treated — full gross or post-ruling gross.
  • Get the calculation in writing before paying the application fee.
  • Compare at least three lenders — borrowing capacity varies by €40k–€100k.

The 2027 phase-out is on the calendar

From 2027 the 30% ruling tapers to 20% then 10%. Plan refinances and any second-home purchases around the income cliff — not all lenders react the same way.

Talk to a mortgage advisor

Want to know what you can really borrow?

We know which lenders count your 30%-ruling income and which don't. We'll map your real borrowing capacity and line up the mortgage to match. Your first appointment is free.

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