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Asking for a rent cut after a fall in the reference rate, in Italian (Switzerland)
Switzerland · in Italian · for tenants
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For tenants in Switzerland whose rent is based on a reference interest rate above today's: the written request asking the landlord to lower the rent under Art. 270a of the Code of Obligations (CO), from the next termination date. It sets out the rate behind your rent, the current rate, the cut you ask for and the landlord's 30 days to answer, and names your canton's conciliation authority if they refuse. Check your claim first with the free calculator of the Swiss tenants' association (ASI in Ticino). Every tenant signs it, and it goes by registered post. In Italian.
- Made for use in Switzerland
- Last updated November 4, 2026
Published byDocMuse
When to use this document
- The reference interest rate has dropped and you want to pay less rent for your flat in Switzerland.
- Your rent in Ticino has not changed for years although mortgage rates have fallen.
- Your landlord has not passed on the lower reference rate without being asked.
- You want to put a rent reduction request in writing before turning to the conciliation office.
What you fill in
The details the document asks for.
- Tenant
- Tenant's address
- Landlord
- Landlord's address
- City
- Date
- Address of the property
- Date of the contract
- Date the rent was last set or adjusted
- Reference rate your current rent is based on, in % (for example 1.75)
- Reference rate published by the Federal Housing Office today, in %
- Who asks for the reduction (in Italian): the only tenant, or all tenants together
- Rent reduction you ask for (in % or CHF a month)
- Current net rent a month, without service charges (for example CHF 1'850.00)
- Next possible termination date from which the reduction applies
- Canton of the flat: tenancy conciliation authority
Common questions
- Does today's reference rate entitle a Swiss tenant to pay less rent?
- It does if your rent was set on a higher reference rate than the current one, as stated in the lease or the last rent change. The rate has stood at 1.25% since 2 September 2025 and the Federal Housing Office publishes it quarterly, next on 1 December 2026. A fall of 0.25 points gives a right to a 2.91% reduction, a fall of 0.50 points 5.66% (Art. 13 para. 1 OLAL). The landlord can deduct 40% of inflation (Art. 16 OLAL) and cost rises since the last adjustment. Check with the free calculator of the Swiss tenants' association in Ticino (ASI) at asi-infoalloggio.ch. Indexed and stepped rents do not follow the reference rate.
- When does a reduced rent start once a Swiss landlord has been asked?
- On the next termination date (Art. 270a para. 1 CO). So the request has to reach the landlord before the notice period begins, exactly as a notice would: for the end of March with three months' notice, by the end of December. A request that arrives later moves the reduction to the date after. All tenants sign it, and it is posted registered to the landlord or the agency.
- What if a Swiss landlord rejects the reduction request or stays silent?
- The landlord has 30 days to answer. After a full or partial refusal, you can apply to the tenancy conciliation authority within 30 days of the answer; if there is none, within 30 days after the landlord's period ends (Art. 270a para. 2 CO). In Ticino it is the conciliation office for the municipality where the flat is. You can apply in writing or orally (Art. 202 para. 1 CPC), and conciliation carries no court costs (Art. 113 para. 2 let. c CPC). Until an agreement or a decision, keep paying the current rent.
How you can sign this document
- Print it and sign by hand. The signature lines in the document are left blank on purpose — sign on them in ink.
- Sign it yourself with a qualified electronic signature. If you already hold a QES — Evrotrust, B-Trust, StampIT, ZealiD or any qualified provider on the EU Trusted List, on a card, a USB token, in a mobile app or in the cloud — our signing guide explains step by step how to sign this exact file without invalidating it. Step-by-step help, and a way to check it worked
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For tenants in Switzerland whose rent rests on a higher reference interest rate than today's: the written request to the landlord to lower the rent under Art. 270a of the Code of Obligations (OR), for the next possible termination date. It states the reference rate behind your current rent, today's rate, the reduction you ask for and the 30 days the landlord has to reply, and names your canton's conciliation authority in case of a refusal. Work out your claim first with the tenants' association's free calculator. Signed by every tenant and sent by registered post. In German.
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