Separate WOZ assessments do not make homes in an unsplit building separately transferable. For qualifying rented homes, the legal position on the valuation date determines whether the €20,000 adjustment comes before the leegwaarderatio. This affects valuations for box 3, gift tax and inheritance tax.
Why this matters
A WOZ decision does not create an apartment right or a separately saleable home. Keep the municipal value, ownership deed and tax calculation apart in the property file. For a qualifying home, deduct €20,000 from the WOZ amount before applying the leegwaarderatio. The rental contract also matters. Its term, tenant protection, rent and related-party terms can decide whether this calculation applies.
Example
An owner has one townhouse with four rented homes. Each has a front door, rental contract and WOZ decision. The building has never been split into apartment rights. For box 3, the position on 1 January applies. Plans and talks with the municipality do not complete a legal split. If the conditions are met, deduct €20,000 before applying the leegwaarderatio. Four WOZ decisions do not prove separate sale rights. A buyer, lender or notary may still assess one legal property.
XTROVERSO tips
- Put the records in one file. Collect WOZ decisions, the ownership deed, cadastral records, rental contracts and the rent roll. Check that every document describes the same property.
- Confirm the legal split. Check whether apartment rights were completed and registered. A drawing, permit request or plan does not complete a legal split.
- Check the calculation order. For a qualifying home, deduct €20,000 from the WOZ amount first. Apply the relevant leegwaarderatio to the adjusted amount.
- Review every rental contract. Record the term, tenant protection, annual rent and relationship with the tenant. Flag temporary rentals and rentals between related parties.
- Keep each value in its own column. Separate the WOZ value, tax value, rented market value, vacant-possession value and lender value. Add the valuation date and purpose.
If your property file mixes WOZ values, rent, title and transfer plans, we can help sort the facts before your next tax or ownership decisi
The data, sourcing, and analysis behind this article were conducted by Paolo Maria Pavan. AI was not used to identify sources, build the factual basis, or produce the analytical judgment contained here. AI was used only as a drafting aid. The final English text was personally reviewed, edited, and approved by Paolo Maria Pavan before publication.
References
- Standpunt verlaging WOZ-waarde als onroerende zaak uit afzonderlijk verhuurde woningen bestaat - Taxence
- Belastingdienst Kennisgroepen - Formal split versus potential split
- Belastingdienst - €20,000 adjustment within the leegwaarderatio
- Belastingdienst - Current 2026 rental-value table and related-party rent
- Belastingdienst Kennisgroepen - WOZ value, box 3 and the difference between tax value and market value
- Belastingdienst Kennisgroepen - The formal WOZ decision remains a separate control point
- Rijksoverheid - Tenant protection and the wider rental-regulation setting
