Permitted reasons for a rent increase
- Rise in the reference mortgage interest rate
- Increased maintenance and operating costs
- Value-adding investments
- General cost increases (CPI)
Reference interest rate
Set quarterly by the Federal Housing Office (FHO). A rise of 0.25 percentage points allows a 3% rent increase.
Official form is mandatory
Any rent increase must use the official cantonal form. Notification by email is not legally valid.
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Frequently asked questions
Can tenants contest the increase? +
Yes, within 30 days of receiving the form, at the local mediation authority.
30 days free
30 days free – then your chosen plan starts automatically.