Life Cycle Assessment (LCA) is rapidly becoming a core compliance requirement and strategic differentiator in Belgium’s real estate market. The revised Energy Performance of Buildings Directive (EPBD), harmonized EU methodologies, and growing coordination between previously fragmented regional processes are driving this transformation.
Three key drivers are accelerating the adoption of LCA in Belgium: the revised EPBD, methodological harmonization through TOTEM, and EU-wide rules promoting low-carbon materials.
1. The Revised EPBD: Whole-Life Carbon Becomes Mandatory Across Europe
The revised Energy Performance of Buildings Directive (EPBD, EU/2024/1275) is a major driver of LCA adoption across Europe. Adopted in 2024, and to be fully implemented by Member States, including Belgium, by 29 May 2026, the directive introduces mandatory calculation and disclosure of whole-life-cycle Global Warming Potential (GWP) as a fundamental pillar of sustainable building practices.
Key features of the EPBD include:
- Mandatory whole-life-cycle GWP calculation and disclosure for new buildings over 1.000 m² starting in 2028, expanding to all new buildings by 2030.
- Alignment with EU frameworks such as the Corporate Sustainability Reporting Directive (CSRD), EU Taxonomy, and Level(s), which strengthens the link between building carbon data and wider sustainability reporting.
- A shift toward zero-emission buildings (ZEB) and deeper renovations.
What this means for real estate stakeholders: for new developments subject to EPBD thresholds, LCA-based whole-life-carbon calculations will become a legal requirement, not an optional sustainability feature. WLC calculations and lifecycle thinking will increasingly need to be integrated into every phase of a project—from design to procurement and delivery. Beyond compliance, carbon performance may increasingly influence asset valuation, financing, and investor confidence.
Methodological Harmonization: TOTEM at the Core of Belgium’s LCA Framework
Belgium’s three regions are aligning around a common methodology centered on TOTEM, the national LCA tool. This ongoing harmonized approach supports consistency across the country, enabling reliable and comparable carbon assessments for construction projects.
Key features if TOTEM include:
- A standardized framework for assessing and comparing materials and designs, aligned with Belgian construction practices.
- Integration of verified manufacturer data from the B-EPD database, enhancing the accuracy and reliability of embodied carbon calculations.
- Support for carbon calculations and input into permitting workflows.
What this means for stakeholders: TOTEM is expected to play a growing role in design and regulatory compliance. Project teams can use the tool to assess the carbon impact of materials, explore alternative scenarios, and make data-driven decisions that align with both regional and EU regulations.
3. EU-Wide GWP Rules: Low-Carbon Materials as a Strategic Priority
The European Commission’s new rules (C/2025/8723) establish a common method for calculating the life cycle Global Warming Potential (GWP) of buildings. These rules aim to standardize embodied carbon calculations across Europe, ensuring a consistent approach to sustainability.
Key aspects of the GWP rules include:
- Mandatory WLC disclosure for all new buildings starting in 2028, in line with EPBD requirements.
- Standardized methodologies that enable comparison of embodied carbon between projects and countries.
- Promotion of low-carbon materials such as clean steel, low-carbon cement, engineered timber, and reuse-based products.
What this means for stakeholders: Material choices are becoming increasingly strategic. Developers and asset owners will likely need to pay more attention to low-carbon alternatives to remain competitive, compliant, and aligned with investor expectations.
For tailored advice or to ensure your projects and which LCA should be provided, get in touch with our LCA expert, Ozan Kocak: ozan.kocak(at)dreso.com