If you plan to rent but you do not have the financial means to obtain a rent payment guarantee, you can turn to an assistance programme established by the state of Luxembourg specifically for this purpose:

State aid to finance a rental deposit

If your rent does not exceed 50% of the net income of your domestic community, please contact the Housing Assistance Department (Service des aides au logement) to fill in an application form to help finance a rental deposit. You agree to save the full amount of the rental guarantee over a period of 3 years on a conditional deposit. Having obtained the ministerial authorisation, visit the Spuerkeess branch of your choice.