FAQ

It is mandatory to present the “as built” EPC for all new buildings, extensions and modifications to existing buildings. It must be presented within two months of the start of use or final acceptance of the building. The building must continue to meet the energy requirements.

The "as built” EPC is issued once construction of the building has been completed. All deviations from the planning phase that have an effect on energy efficiency are recorded in the "as built" EPC.

The feasibility study provides information on the possibility of using renewable energy in a new building. A feasibility study is mandatory for all new buildings.

According to Article 3 of the Grand Ducal Regulation of 30 November 2007 on the energy performance of residential buildings, as amended, and Article 4 of the Grand Ducal Regulation of 31 August 2010 on the energy performance of non-residential buildings, as amended, a building permit can be issued only if the EPC is complete and the minimum and general energy efficiency requirements contained therein are met. This applies to residential and non-residential buildings alike.

The EPC is an integral part of the building permit and, as such, the municipality must check the document to verify that it is complete. Minimum and general building energy efficiency requirements must be met.