Answer: the mandatory energy performance diagnosis must be carried out by an approved company and is valid for a period of ten years.
The energy performance diagnosis is compulsory in France, in the event of the sale or rental of a property to a third party. It aims to estimate the future energy consumption of the building or housing according to its characteristics and the number of its future occupants, as well as predictable greenhouse gas emissions. To be valid, the energy performance diagnosis must be carried out by an approved and recognized certification company. You must therefore contact one of these companies to send a professional to your home. The price of the intervention varies according to the size of your accommodation, allow at least a few tens of euros. Once issued, it is valid for 10 years. Other types of diagnostics are also mandatory, by doing them simultaneously you can get discounts. You too, send us your brico question