How much can a landlord raise rent in Germany? The short answer: 20% hard cap, with 90 days notice required. Here's the full breakdown of Germany's rent increase rules for 2026.
Get RentFlow — free Get it on Google Play| Maximum rent increase | 20% hard cap |
| Benchmark / index | Mietspiegel |
| Notice required | 90 days |
| How often increases are allowed | Once every 12 months |
| Rent control | Yes |
ℹ️ Values are approximate and index rates change frequently. Always verify the current figure with the official source before applying an increase. (Data: 2026-Q3.)
Rent cannot increase more than 20% over 3 years (Kappungsgrenze). In designated cities (Mietpreisbremse areas), rent cannot exceed local Mietspiegel by more than 10%. Maximum 15% in high-demand areas.
BGB §558 (Mieterhöhung auf die ortsübliche Vergleichsmiete)
In cities like Berlin, Munich, Hamburg: 15% cap over 3 years. New tenant rent also restricted in Mietpreisbremse areas. Verbraucherpreisindex 2026: ~2.6%.
In Germany, the rent increase limit is: 20% hard cap. Rent cannot increase more than 20% over 3 years (Kappungsgrenze). In designated cities (Mietpreisbremse areas), rent cannot exceed local Mietspiegel by more than 10%. Maximum 15% in high-demand areas.
Germany requires 90 days written notice before a rent increase takes effect. Increases are generally allowed once every 12 months.
Yes — Germany has rent control measures. In cities like Berlin, Munich, Hamburg: 15% cap over 3 years. New tenant rent also restricted in Mietpreisbremse areas. Verbraucherpreisindex 2026: ~2.6%.
RentFlow tracks rent, tenants and leases — and flags when an increase exceeds Germany's legal limit or notice rules. Free to start.
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