Contact us by letter

In some circumstances, a letter remains a very good way to contact the SWDE.

banniere-adresses-postales

For all matters related to customer management, please write to the following address:

picto-lettre


SWDE
BP 515
1400 Nivelles

For all other matters not related to customer management, please write to our head office at the following address:

picto-lettre


SWDE
Rue de la Concorde 41
4800 Verviers