Apartment in Helmholtzstraße Available from: Book now: Min. Stay: 6 Max. Stay: 18 Deposit: 2760 Contract opening costs: Registration Fee/Anmeldegebühr €390 Contract closing costs: A cleaning fee varying between euros will be charged upon check-out. Beim Check-out wird eine Reinigungsgebühr zwischen 100 und 300 Euro erhoben. *********** [ENG] How does Som work? Som is an online platform for medium-long term rentals that was created as a guarantee for the tenant: we check all the apartments and the photos are recent and reliable so you can book online with peace of mind to avoid someone else doing it before you. To book online, follow the link above and click on "rent now". If you need help,