The WOZ-waarde (Waardering Onroerende Zaken value) is an annual valuation of every property in the Netherlands, determined by each municipality as of 1 January of the preceding year. It is used as the basis for calculating multiple taxes and charges, including: OZB (Onroerendezaakbelasting — the municipal property tax), the eigenwoningforfait (a fictional rental income included in income tax returns for owner-occupiers), water board levies, and in some cases housing benefit calculations.
Unlike the market value or the purchase price, the WOZ-waarde is an administrative estimate set by municipal assessors. Historically it tracked below market values, particularly in rapidly appreciating markets like Amsterdam and Utrecht. In recent years, with rising transparency and more frequent reassessments, WOZ values have tracked closer to market values — sometimes exceeding them in falling markets.
Every year, owners receive a WOZ-beschikking (WOZ assessment notice) setting out their property's WOZ value for that year. This value is appealable: if you believe the WOZ is too high, you can file a bezwaar (objection) with the municipality within six weeks of receiving the notice. No-win-no-fee WOZ objection specialists (no cure no pay bureaus) will handle this process for free if they believe the value is inflated, taking a share of the tax saving achieved.
For expat property owners, the eigenwoningforfait is often a surprise. Dutch income tax law requires owner-occupiers to add a fictional rental income (currently 0.35% of WOZ-waarde for properties valued up to €1,200,000) to their taxable income each year. This phantom income is offset by mortgage interest deduction (hypotheekrenteaftrek) for those with mortgages, but non-resident owners without Dutch mortgages may face this additional tax burden with no offsetting deduction.
The WOZ value is increasingly used beyond taxation — mortgage lenders, insurers, and even some rent-regulated housing decisions now reference it. A Kadaster uittreksel includes the most recent WOZ value for the property, making it a useful quick benchmark when researching purchase prices in any Dutch neighbourhood.
| Key Facts: WOZ-waarde | |
|---|---|
| Set by | Municipality, annually, as of 1 January of prior year |
| Used for | OZB, eigenwoningforfait, water board levies, housing benefit |
| Appeal period | 6 weeks from receiving the WOZ-beschikking |
| Eigenwoningforfait | 0.35% of WOZ-waarde added to taxable income for owner-occupiers |
| Visible in | Kadaster extracts and annual gemeentelijke belastingen bill |
Frequently Asked Questions
Does the WOZ value affect how much I can borrow for a Dutch mortgage?
Lenders primarily use the taxatiewaarde (independent appraiser's valuation) for mortgage lending decisions. However, the WOZ value is a secondary reference point, and some products use the higher of purchase price and WOZ as a minimum collateral threshold. The two values often differ.
Is the WOZ value the same as the market value of my property?
No — the WOZ is an administrative estimate of market value as of a specific reference date, assessed by municipal officials for tax purposes. It may be above or below the actual market value depending on the timing of the assessment relative to market movements. For property transactions, an independent appraisal (taxatie) is always more reliable.
Can non-resident owners of Dutch property challenge their WOZ?
Yes — any owner of Dutch property, resident or not, receives an annual WOZ-beschikking and has the same six-week right to object. Non-residents may appoint a Dutch representative (vertegenwoordiger) to file the bezwaar on their behalf.
Part of the AvökatFinder Netherlands Legal Glossary — plain-English definitions of Dutch legal terms for expats.