The gas diagnosis consists of a verification of the state of the interior gas installation of the accommodation, there may be compliance work depending on the dangerousness of the anomalies.

 

  It is mandatory for all installations over 15 years (1 st meter installation, renovation does not count). It must be made for sale.

 

  In the event of a serious and immediate danger (DGI) in the installation, the diagnostic operator can shut down one or all of the installation. The owner will then be required to do the work to restore the installation to safety before restarting the installation.

 

  If the installation has been modified and has been the subject of a certificate of conformity. This document can be used instead of a diagnosis, if the document is not expired (3 years of validity).

 

  Its period of validity is 3 years for a sale.