This service includes the review and update of the Preliminary Tax Assessment which is automatically issued by the Dutch tax authorities for the year 2026.

Attention needed for the preliminary assessment for the year 2026

The calculation for the preliminary tax assessment for 2026 is made on historical information, using the available details from 2024. Therefore, it is possible that the outcome of the assessment does not fully reflect your current or expected situation for the year 2026. Below are some common circumstances that may not have been considered:

Circumstances not considered for refund calculations of 2026:

Repayments of your mortgage during in 2025;
Changes in mortgage interest rates during 2024 and/or 2025 and 2026;
An (expected) increase in your house's WOZ value in 2025 and 2026;
Increases or decreases in your and/or your partners salary, including the potential end of the 30% ruling in 2025 and/or 2026;
Buying or selling a house in 2025 and/or 2026;
Divorce cases;
Giving birth to a child in 2025/2026 which will grant you for an extra refundable tax benefit.