Démarche en ligne
Certificates of acceptance of environmental regulations RE 2020 and thermal RT 2012 (Online service)
Ministry of the Environment
Attestations to be completed and attached to the city planning authorization at the start of the works, and then to be completed by a qualified professional on the declaration of completion of the works (DAACT). The professional can be an architect, a control office and, for individual houses, an approved energy performance diagnoser.
Warning
You do not have to provide a certificate for energy renovation works on an existing building. However, the building must comply with the thermal regulations that apply to existing buildings (RT “global” or RT “elements”) and can still be subject to regulatory control.
The ‘overall’ thermal regulation applies to existing residential and tertiary buildings with a surface area of more than 1000 m² that are subject to major renovations.
The thermal regulation ‘elements’ applies to existing residential and non-residential buildings with the exception of those subject to the measures concerning heavy renovations.
For details, please use the practical information sheets :
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Verified 27 November 2024 - Directorate for Legal and Administrative Information (Prime Minister)