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Terminating a lease in Geneva: 3 months' notice, CHF 8'400

A tenant must leave by the end of June. Calculating the 3-month notice period, the termination date and the posting date shows what a late letter costs: CHF…

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Terminating a lease in Geneva: 3 months' notice, CHF 8'400

Table of contents

The case: a forced departure, a notice period that cannot be
The assumptions of the case
Calculating the notice period and the termination date
What changes depending on the variants
Comparison table of scenarios
After posting: exit inspection and deposit

The case: a forced departure, a notice period that cannot be

An executive who arrived from abroad 14 months ago must leave Switzerland: his employment contract is ending and his employer is arranging an international move. His lease costs CHF 2'800 per month, service charges included. He thinks he can hand back the keys on the date of his flight. He discovers that the notice period does not end on a date of his choosing.

The rule can be summed up in one sentence: a residential lease is terminated with a notice period of three months, for a specific termination date. Each day of delay in sending the letter can push back the move-out by three months, i.e. CHF 8'400 of additional rent in this case. The calculation is done backwards, starting from the target termination date.

The assumptions of the case

All the variants in this article rely on the same basis. These figures are examples drawn from the assumptions, not market averages.

Rent: CHF 2'800 per month, service charges included
Signing of the lease: September 2025, open-ended lease
Time elapsed: 14 months, so no minimum protection period is in play
Contract: the three-month notice period is reproduced, the termination date is not specified in black and white
Target termination date: 30 June 2027, aligned with the end of the employment contract
Planned posting: registered letter, signed by the tenant
Administrative situation: valid residence permit, notification of departure to be made to the OCPM (Geneva cantonal population and migration office) once the move-out date is known

One point on the contract: read the termination clauses before any calculation. A lease may provide for a longer notice period or a particular termination date. Federal law sets a framework; the contract and local custom fill in the details.

Calculating the notice period and the termination date

Art. 266c CO (Code of Obligations) provides for three-month notice periods for a dwelling, and art. 266a CO specifies that, unless otherwise agreed, termination must respect the notice period and a termination date. Under art. 266c CO, a dwelling is terminated with three months' notice for the end of a termination date, and this date depends on the contract or on local custom.

The termination date is the date on which the lease ends. If the contract does not specify one, local custom applies. In Geneva, these are notably linked to certain quarter-end or month-end dates; check your contract and local custom with ASLOCA or your property manager, because this article does not guarantee them for the whole of French-speaking Switzerland.

We work backwards from the target termination date, 30 June 2027:

Target termination date: 30 June 2027
Start of the three-month period: 31 March 2027 at the latest
Deadline for receipt: the letter must reach the landlord no later than 31 March 2027
Realistic posting date: 26 or 27 March 2027, to allow for postal delays

One targeted warning: the postmark is not enough. Under art. 266l CO, the termination must be in writing, and what counts is receipt by the landlord before the start of the period. A registered letter posted on 31 March and delivered on 1 April misses the termination date.

Form: art. 266l CO requires writing, with the tenant's signature. It is the landlord, not the tenant, who must use an official form. Keep the proof of posting, the postal tracking and a copy of the letter.

Cost of a late letter: if the letter arrives on 1 April, the next termination date is not 30 June 2027 but the one after. The tenant then pays three additional months of rent, i.e. 3 x CHF 2'800 = CHF 8'400.

Step	Deadline	Detail
1. Set the target termination date	30 June 2027	Move-out date aligned with the end of the employment contract. First check the lease's termination clauses and local custom: the termination date depends on the contract or custom (art. 266c CO). (Tenant)
2. Calculate the start of the three-month period	31 March 2027 at the latest	Backward calculation from the termination date: the three-month notice period for a dwelling must be respected (art. 266c CO). (Tenant)
3. Draft the termination letter	Before the end of March 2027	Writing signed by the tenant (art. 266l CO). If the dwelling is the family home, signature of both spouses or the spouse's consent (art. 266m CO). (Tenant (and spouse))
4. Send by registered post	26 or 27 March 2027	Realistic posting date to allow for postal delays. Keep the proof of posting, the postal tracking and a copy of the letter. (Tenant / Swiss Post)
5. Receipt by the landlord	31 March 2027 at the latest	Receipt counts, not the postmark. A letter posted on 31 March and delivered on 1 April misses the termination date: move-out pushed back by three months, i.e. CHF 8'400 of rent. (Landlord)
6. End of the lease and notification of departure	30 June 2027	Move-out on the target termination date. Notification of departure to the OCPM once the move-out date is known. (Tenant / OCPM)

1. Set the target termination date

Deadline30 June 2027

DetailMove-out date aligned with the end of the employment contract. First check the lease's termination clauses and local custom: the termination date depends on the contract or custom (art. 266c CO). (Tenant)

2. Calculate the start of the three-month period

Deadline31 March 2027 at the latest

DetailBackward calculation from the termination date: the three-month notice period for a dwelling must be respected (art. 266c CO). (Tenant)

3. Draft the termination letter

DeadlineBefore the end of March 2027

DetailWriting signed by the tenant (art. 266l CO). If the dwelling is the family home, signature of both spouses or the spouse's consent (art. 266m CO). (Tenant (and spouse))

4. Send by registered post

Deadline26 or 27 March 2027

DetailRealistic posting date to allow for postal delays. Keep the proof of posting, the postal tracking and a copy of the letter. (Tenant / Swiss Post)

5. Receipt by the landlord

Deadline31 March 2027 at the latest

DetailReceipt counts, not the postmark. A letter posted on 31 March and delivered on 1 April misses the termination date: move-out pushed back by three months, i.e. CHF 8'400 of rent. (Landlord)

6. End of the lease and notification of departure

Deadline30 June 2027

DetailMove-out on the target termination date. Notification of departure to the OCPM once the move-out date is known. (Tenant / OCPM)

To leave Switzerland on 30 June 2027, the letter must be sent by the end of March: the calculation is done backwards

Key takeaway

A letter that arrives on 1 April instead of 31 March pushes the move-out back by three months and costs CHF 8'400 in additional rent (3 x CHF 2'800).

Source: Art. 266c, 266l, 266m CO — fedlex.admin.ch

What changes depending on the variants

Variant 1: posting missed by a few days. The letter arrives on 2 April 2027. The 30 June 2027 termination date is lost, and the move-out is pushed back by three months. Additional cost: CHF 8'400 of rent, not counting the costs of a postponed international move or of housing abroad paid twice.

Variant 2: replacement tenant. Art. 264 CO allows you to leave the lease before the termination date if you present a replacement tenant. The conditions are strict: the replacement must be creditworthy, agree to take over the lease on the same terms, and be reasonably acceptable to the landlord. The landlord has an examination period. If the landlord refuses a candidate who meets these criteria, you are released. If the candidate is unsuitable, you remain bound until the termination date.

If the replacement is accepted and takes over the lease on 31 May 2027, the outgoing tenant saves one month's rent, i.e. CHF 2'800 compared with the 30 June termination date. In the event of refusal by the landlord or a dispute, contact ASLOCA or the competent conciliation commission before stopping payment.

Variant 3: fixed-term lease or particular termination date clause. A fixed-term lease ends at its expiry without termination, but it cannot be left before then, except through a replacement tenant (art. 264 CO) or an agreement with the landlord. If the lease runs until 31 December 2027, leaving in June means six months to pay: 6 x CHF 2'800 = CHF 16'800. The contract may also impose a specific termination date, for example quarter-end, which must be read clause by clause.

Married couples: art. 266m CO protects the family home. If both spouses signed the lease, the termination must be signed by both, or the spouse must consent to it. A letter signed by only one of them can be challenged and cause you to lose the date.

A side option, subletting: with the landlord's consent, it allows you to leave without breaking the lease. The main tenant remains liable to the landlord. It is a transitional solution, not an exit.

Comparison table of scenarios

Each line starts again from the same basis: CHF 2'800 per month, target termination date 30 June 2027.

Scenario	Posting date	Termination date obtained	Rent due	Main risk
Scenario 1, posted on time	26 March 2027, receipt before 31 March	30 June 2027	CHF 0 beyond what was planned	Proof of receipt disputed
Scenario 2, posting missed	31 March 2027, receipt on 2 April	Next termination date, three months later	CHF 8'400 additional	Double rent with the destination housing
Scenario 3, replacement accepted	26 March 2027, replacement on 31 May	31 May 2027	CHF 2'800 less	Reasoned refusal by the landlord
Scenario 4, fixed term until 31 December 2027	Not applicable	31 December 2027, unless a replacement is found	CHF 16'800 for six months	Exit blocked until expiry
Scenario 5, spouses	26 March 2027, a single signature	Disputed	Up to CHF 8'400	Termination void

Scenario 1, posted on time

Posting date26 March 2027, receipt before 31 March

Termination date obtained30 June 2027

Rent dueCHF 0 beyond what was planned

Main riskProof of receipt disputed

Scenario 2, posting missed

Posting date31 March 2027, receipt on 2 April

Termination date obtainedNext termination date, three months later

Rent dueCHF 8'400 additional

Main riskDouble rent with the destination housing

Scenario 3, replacement accepted

Posting date26 March 2027, replacement on 31 May

Termination date obtained31 May 2027

Rent dueCHF 2'800 less

Main riskReasoned refusal by the landlord

Scenario 4, fixed term until 31 December 2027

Posting dateNot applicable

Termination date obtained31 December 2027, unless a replacement is found

Rent dueCHF 16'800 for six months

Main riskExit blocked until expiry

Scenario 5, spouses

Posting date26 March 2027, a single signature

Termination date obtainedDisputed

Rent dueUp to CHF 8'400

Main riskTermination void

Five lease termination scenarios: posting date, termination date obtained, rent due and main risk

Criterion	Posted on time	Posting missed	Replacement tenant accepted
Posting / receipt	Posted on 26 March 2027, received before 31 March 2027	Posted on 31 March 2027, received on 2 April 2027	Creditworthy replacement, accepted by the landlord (art. 264 CO)
Termination date obtained	30 June 2027	Next termination date, shifted by three months	Lease taken over on 31 May 2027
Impact on rent	CHF 0 additional cost	3 x CHF 2'800 = CHF 8'400 of additional rent	One month's rent saved, i.e. CHF 2'800 less

Posting / receipt

Posted on timePosted on 26 March 2027, received before 31 March 2027

Posting missedPosted on 31 March 2027, received on 2 April 2027

Replacement tenant acceptedCreditworthy replacement, accepted by the landlord (art. 264 CO)

Termination date obtained

Posted on time30 June 2027

Posting missedNext termination date, shifted by three months

Replacement tenant acceptedLease taken over on 31 May 2027

Impact on rent

Posted on timeCHF 0 additional cost

Posting missed3 x CHF 2'800 = CHF 8'400 of additional rent

Replacement tenant acceptedOne month's rent saved, i.e. CHF 2'800 less

A few days' delay costs CHF 8'400, an accepted replacement saves CHF 2'800: the calendar determines the bill

Key takeaway

On rent of CHF 2'800, a letter received after 31 March 2027 pushes the move-out back by three months and costs CHF 8'400, whereas an accepted replacement tenant saves CHF 2'800.

Source: Art. 264, 266a, 266c, 266l CO — fedlex.admin.ch

After posting: exit inspection and deposit

The notice has been sent, but the work continues. In the week that follows, check that the letter has been delivered and keep the acknowledgement of receipt. Agree with the property manager the date of the exit inspection, ideally in the last days of the lease, by written appointment.

A botched entry inspection is paid for at exit: compare with the one from September 2025, photograph every defect, date the photos and send them within 10 days if a disagreement arises. The practical details are in our guide on handing back an apartment in Switzerland, with documents and advice.

On the rent deposit: the landlord may keep the deposit until claims have been settled. Art. 257e CO gives the landlord one year after the end of the lease to assert claims. After this period, if no proceedings have been initiated, the bank may release the deposit. If no claim is made, release may be faster, but do not count on it before handing back the keys. Plan the cash flow of an international move without this sum.

On the administrative side, announce your departure to the OCPM according to the canton's rules, check the end date of your residence permit, and at the same time cancel electricity, internet and household insurance. For any dispute (contested inspection, deduction from the deposit, landlord refusing a replacement), ASLOCA or the competent conciliation commission will review your file.

"This article is for information purposes only and does not constitute legal advice: lease termination periods may vary depending on your contract and your personal situation, so we recommend consulting ASLOCA (the Swiss tenants' association), a lawyer or the competent rent conciliation authority before taking any action."

A departure from Geneva to organise?

Termination timetable, exit inspection, notification of departure to the OCPM: we help you schedule every step so that you do not lose a single month's rent.

Lucas

[email protected]

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