Finding somewhere to live in Hamburg has become a little easier in recent months, but finding somewhere inexpensive and centrally located is easier said than done. For useful information, check out the following website:
Accommodation for Students and Trainees: STW Hamburg
International students arriving in Germany to start their course will find further information at the Accomodation Office of TU Hamburg's International Office.
Needy students who are "basically not entitled to BAföG" grants or loans can apply for housing allowance (Wohngeld). Needy and not a BaföG recipient? Check with the Studierendenwerk Hamburg exactly what conditions you must fulfill to qualify for housing allowance.