If a key of an apartment ends up missing, the lock has to be replaced. The tenant pays the expenses of replacing the lock. The expenses for shared flat rooms and for family or single room apartments are 150 euros. The tenant will get an invoice soon after the order has been made.
In locations where the iLOQ system is in use, it is possible to remove keys from locks without physical installation work. In such cases the charge for a misplaced key is 50 euros.