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The European Union's Energy Performance of Buildings Directive (EPBD) gave member states until 29 May 2026 to transpose its provisions into national law. That deadline has now passed. Not a single member state has met it.
The consequences reach far beyond a missed deadline. It has left property owners and investors across Europe in an increasingly uncomfortable position. Where things are headed is clear: Europe's building stock must be progressively decarbonised over the coming decades. Yet many of the national rules needed to translate that ambition into practical investment decisions remain unwritten, and for the property industry, uncertainty can be almost as damaging as regulation itself.
According to EY-Parthenon's latest EPBD Transposition Tracker, property companies are already postponing investments, refurbishment programmes and even new developments because they cannot reliably assess future obligations. Without national legislation defining specific thresholds, implementation timetables and potential penalties, investors are struggling to quantify capital expenditure requirements, assess stranded asset risk or compare regulatory exposure across cross-border portfolios. Dirk Rathlev, partner at EY-Parthenon and one of the report's authors, argues that binding national legislation has become a priority precisely because the current uncertainty is preventing the investment decisions that the Directive is intended to encourage.
The irony is that relatively few investors now question the overall objective of the EPBD. The building sector accounts for roughly 40% of Europe's energy consumption and a substantial share of greenhouse-gas emissions. Improving the efficiency of Europe's ageing building stock has become a central component of the European Green Deal.
From objective to implementation
Sun Jensch, managing director of the Coalition for Timber Construction, argues that the Directive has often been misrepresented as imposing compulsory refurbishment or acting as a de facto "EU heating law". In reality, she notes, the EPBD establishes a framework and leaves member states considerable flexibility in determining how targets are achieved, subject to technical and economic feasibility. The investment uncertainty currently affecting the market stems less from the Directive itself than from the absence of the national legislation needed to implement it.
Germany illustrates the wider European picture. It is among the more advanced member states, having already passed the Building Modernisation Act and standardised energy performance certificates. Yet several important measures remain unfinished, including amendments to the Heat Planning Act, reforms to the Renewable Energy Act and completion of the National Building Renovation Plan.
The result is a prolonged period in which investors know broadly where regulation is headed but cannot yet determine precisely how it will affect individual assets, refurbishment programmes or development strategies.
The delay arrives at a particularly awkward moment for the European property market. Investors are already contending with lower transaction volumes, higher construction costs, refinancing pressures and increasingly selective lending markets. The irony is that the EPBD was intended to accelerate investment in Europe's building stock. Instead, its delayed implementation is temporarily encouraging many owners to wait.
That period of uncertainty cannot continue indefinitely. The Directive's principal milestones remain unchanged, including zero-emission standards for new public buildings from 2028 and wider minimum energy performance requirements from 2030 onwards. National governments will therefore have to provide the legal clarity that investors need.
The fundamental question is no longer whether Europe's buildings will be decarbonised - that has already been decided. The immediate challenge is providing sufficient regulatory certainty for property owners to determine how, when and at what cost that transition should take place.