Brussels Mandates Energy Performance Certificates for All Buildings by 2033 Regardless of Transaction Status

New Brussels regulations mandate EPB certificates for all buildings by 2033 and set strict energy consumption limits for residential properties.

By: AXL Media

Published: Apr 3, 2026, 8:45 AM EDT

Source: Information for this report was sourced from Het Belgisch Staatsblad

Universal Certification Replaces Transactional Requirements

The Brussels-Capital Region is significantly broadening its environmental oversight by mandating that all property owners obtain an Energy Performance Certificate (EPC), irrespective of whether the building is being sold or leased. This legislative shift, rooted in an ordinance from March 2024 and finalized by a ministerial decree in February 2026, ends the era of optional certification for long-term owner-occupiers. Under the new framework, the mere holding of a real right to a property unit necessitates a valid certificate, ensuring a comprehensive map of the city’s energy efficiency is established over the next decade.

Implementation Timeline and Software Integration

The Brussels government has designated July 1, 2028, as the official commencement date for these expanded regulations, providing a transitional buffer for the real estate market. This specific date was selected to align with the rollout of sophisticated EPC software capable of handling the updated calculation methodologies and certification procedures required by the law. From this 2028 starting point, a five-year countdown begins, culminating in a final deadline of July 1, 2033, by which time every single structure in the capital must be registered and graded by an accredited expert.

Decadal Energy Consumption Targets for Residential Units

Beyond simple documentation, the reform introduces aggressive primary energy consumption limits that residential buildings must meet over the next twenty years. Within a decade of the law's activation, residential units will be restricted to a maximum consumption of 275 kWh/m² per year. A second, more stringent threshold follows ten years later, lowering the allowable limit to 150 kWh/m² per year. These targets are designed as intermediate milestones to ensure the regional building stock evolves toward the European Union’s broader objective of total climate neutrality by the mid-century mark.