Vaud: mandatory renovation of buildings of 750 m² or more in classes F and G
From 1 January 2027, buildings in Vaud in categories I to VII of the SIA 380/1 standard, with at least 750 m² of energy reference area and an envelope rated F or G, will have to be renovated to class D: within ten years for class G, within fifteen years for class F.
AdoptedEntry into force: 1 January 2027.
What changes
- Buildings in categories I to VII of the SIA 380/1 standard, with at least 750 m² of energy reference area and an envelope efficiency label of F or G, must be renovated to class D: no later than ten years after the law enters into force for class G, fifteen years for class F. The competent cantonal service issues a renovation decision; exemptions are possible, in particular when actual energy consumption is low.
- The law, adopted by the Grand Council on 3 February 2026, enters into force on 1 January 2027 together with its regulation.
Who it concerns
- OwnersOwners of a building in Vaud in categories I to VII of the SIA 380/1 standard with at least 750 m² of energy reference area: if its envelope is rated F or G, it will have to be renovated to class D within the legal deadline, unless an exemption is granted.
- Architects and buildersArchitects and companies: the renovation deadlines run from 1 January 2027, ten years for class G and fifteen years for class F.
The official text
« Les bâtiments des classes F et G du CECB, dont la surface de référence énergétique est égale ou supérieure à 750 m², doivent être assainis pour atteindre la classe D du CECB »
« au plus tard dix ans après l'entrée en vigueur de la loi s'ils appartiennent à la classe G du CECB »
« au plus tard quinze ans après l'entrée en vigueur de la loi s'ils appartiennent à la classe F CECB »
« Les deux textes entreront en vigueur le 1er janvier 2027 »
What we do not know yet
- The threshold of “low actual consumption” that allows an exemption is set by the regulation: this article does not state it.
- The law also covers buildings whose label was not issued within the deadline; this article does not go into it.