Brussels property tax is set to increase significantly for many homeowners in nine municipalities, with hikes reaching hundreds of euros. This comes to light from the 2026 property tax assessment notices recently dispatched. This substantial increase in property tax impacts a broad spectrum of households within the Belgian capital.
What's Happening
Properties in nine of the nineteen Brussels municipalities will face a rise in property tax. The announcement of these increases, sometimes up to hundreds of euros, is causing unrest among homeowners. The precise reasons for the increase vary by municipality, but are largely related to adjustments in cadastral income and local surcharges. These measures aim to bolster municipal revenues but place an additional burden on property owners.
Impact on the Brussels housing market
This rise in property tax could, in the long term, have a noticeable impact on the Brussels housing market. Higher fixed costs for owners may affect purchasing power and potentially lead to a shift in housing demand, particularly in the affected municipalities. Tenants might also indirectly feel the effects, as landlords could pass on increased costs through higher rents.
Background
Property tax (onroerende voorheffing / précompte immobilier) is a regional tax in Belgium levied on immovable property. The basis for this tax is the cadastral income (KI/RC), a fictitious annual net rental income assigned by the government to each property. Percentages are applied to this KI by the region (the Brussels-Capital Region), the province, and the municipalities (the so-called surcharges or 'opcentiemen'/'centimes additionnels'). The recent adjustments, as reported by Bruzz, indicate a revision of these percentages or an update of cadastral incomes in the municipalities concerned.
Property tax in nine Brussels municipalities is rising by hundreds of euros, according to Bruzz.
The Brussels-Capital Region faces the challenge of generating sufficient income for its diverse services and infrastructure. Municipal funding plays a crucial role in this. Adjustments to property tax are one of the tools local authorities can use to balance their budgets. Previous discussions on taxation within the region have already led to heated debates in the Brussels Parliament and among various political parties.
What This Means for Belgium
While this specific property tax increase is concentrated in Brussels, it could have broader implications for the fiscal debate across Belgium. Other cities and regions, such as Ghent or Antwerp, may also look to their own property taxes as a means to raise revenue or address budgetary challenges. This could lead to a wider discussion about the fairness and affordability of property taxes throughout the country. For Belgian citizens, this means that the cost of living will remain under pressure, an important theme for federal and regional governments in the coming years. The Flemish Housing Agency (Agentschap Wonen in Vlaanderen) and the Walloon Region closely monitor the evolution of housing costs, including property tax, to assess the impact on families.

