Energy audit if the EPC (Energy Performance Certificate) is E, F, or G - mandatory since 2025 for the sale of an apartment or house (not mandatory for rentals) ----- The regulatory energy audit is required for the sale of single-owner properties classified as: - F or G since April 1, 2023 - E from January 1, 2025 - D from January 1, 2034. It must be given to the buyer at the first viewing or at the latest upon signing the preliminary sales agreement. Regarding renovations: - It is strongly recommended for planning a comprehensive renovation, - useful for obtaining certain subsidies (e.g., MaPrimeRénov' supported program), - requested by some MAR (Mon Accompagnateur Rénov') advisors.