Resources and news
from the Design Office

Energy Saving Certificate (CEE)
November 2025
Energy suppliers and fuel distributors, known as "obligated parties", must help finance energy renovation work.
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My PrimeRénov' Condominium
September 2025
MaPrimeRénov' Copropriété finances work carried out in common areas to improve the energy performance of the building.
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Energy Performance Certificate (EPC) and PowerPoint Presentation (PPT)
March 2024
The decree of March 25, 2024, published in the Official Journal on April 20, 2024, modifies the calculation methods for the Energy Performance Diagnosis (DPE) for small dwellings.
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Energy audit: regulations
February 2024
Any owner who wishes to sell or rent their property must, among other things, entrust the carrying out of an energy performance diagnosis (DPE) to a certified professional.
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Allocation of heating costs in apartment buildings
January 2024
Decree No. 2016-710 of May 30, 2016 and the Order of May 30, 2016 relating to the distribution of heating costs in collective buildings.
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Operating contract
January 2024
The services provided in operating contracts are divided into several parts. It is important to detail the expected services so that the limits are clearly defined.
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