This week marks the end of the two-month window the European Commission gave member states, Spain included, to complete transposition of Directive (EU) 2024/1275 on the Energy Performance of Buildings (EPBD), after opening infringement proceedings in July against all 27 countries for missing the original 29 May deadline. This is no routine paperwork: it is the clearest signal yet that Brussels intends to accelerate, with firm dates and penalties attached, the decarbonisation of Europe’s building stock ahead of 2050.