German shared flats (Wohngemeinschaften, WGs) are the primary housing option for students and young professionals in Germany's cities. Most WG experiences are fine. When problems arise, the German legal and social norms around conflict provide a clear framework — if you know it.
Lease Structures and What They Mean
In a standard WG, one of two lease structures applies:
- Main tenant (Hauptmieter) model: one person holds the lease with the landlord, others are subtenants (Untermieter). The main tenant has legal responsibility to the landlord for rent and apartment condition. Subtenants have a contract with the main tenant, not the landlord.
- Co-tenant model: all flatmates are named on the lease and have equal standing with the landlord. Each person is jointly and severally liable for the rent — if one person doesn't pay, the landlord can collect from any of the others.
Know which model you're in before moving in. If you're a subtenant, your rights and security of tenure come from your subtenant agreement, not the main lease.
Noise Disputes
Germany has strict Ruhezeit (quiet hours) rules: typically 10pm to 7am, often including a lunchtime Mittagsruhe (1pm to 3pm in apartment buildings). These are legally enforced in many German states and written into most rental contracts. A flatmate playing music loudly at midnight is violating the Hausordnung (house rules) — not just being annoying.
Escalation path: speak directly first (in Germany, this is expected, not confrontational). If that fails, write a brief note. If it continues, involve the Hausverwaltung (building management) or, in the co-tenant model, the landlord. For sustained noise violation, you can reduce your rent — but this requires formal written notice and is rarely needed.
Cleaning Conflicts
German expectations around cleanliness in shared spaces are generally high. A cleaning rota (Putzplan) is common. If a flatmate consistently ignores it, document in writing (WhatsApp or email counts) before escalating. In the main tenant model, the main tenant can theoretically terminate the subtenant agreement for breach of house rules, but this requires proper notice (typically three months for long-term subtenants) and valid grounds.
Asking a Flatmate to Leave
If you're the main tenant and need to end a subtenant arrangement, you must give written notice (Kündigung) with the period specified in the subtenant agreement — typically one to three months. "Just asking them to leave" without formal notice is not legally sufficient. If they refuse to go after proper notice, the process involves the civil court (Amtsgericht) — expensive and slow. Document everything.
If You Want to Leave
In the subtenant model: give notice per your agreement (usually one to three months in writing). In the co-tenant model: you can't unilaterally leave — you must find a replacement acceptable to the landlord and the other tenants, or negotiate an exit. Your name on the lease means you're liable for rent until a replacement is agreed. Plan exits early.
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