3-6-9 lease termination in Belgium: complete practical guide
How to terminate a 3-6-9 lease in Belgium: notice periods, compensation, notification, regional differences. Guide for landlords and tenants.
The 3-6-9 lease explained
The 3-6-9 lease (or 9-year lease) is the standard contract for main residence rental in Belgium. Its duration is 9 years, divided into three triennial periods (3-6-9). It is not a “3-year renewable lease” but a single 9-year lease with termination possibilities at certain milestones.
If no duration is specified in the lease, it is presumed to be a 9-year lease. This is the default regime in all three regions.
The 3-6-9 lease is distinct from the short-term lease (1 to 3 years) which follows different rules. The lease agreement must clearly specify the chosen duration.
Since regionalisation, the lease must be in writing. A verbal lease is presumed to be a 9-year lease with maximum protections for the tenant.
Termination by the tenant
The tenant can terminate at any time, but the conditions vary depending on the timing:
| Termination timing | Notice period | Compensation |
|---|---|---|
| Year 1 | 3 months (2 in Brussels*) | 3 months’ rent |
| Year 2 | 3 months (2 in Brussels*) | 2 months’ rent |
| Year 3 | 3 months (2 in Brussels*) | 1 month’s rent |
| Year 4 onwards | 3 months (2 in Brussels*) | None |
*In Brussels, for leases signed after 1 July 2026, the tenant’s notice period is 2 months.
After the 3rd year, the tenant can leave without compensation subject only to the notice period. This is an absolute right — the landlord cannot refuse it.
Termination by the landlord
The landlord has more limited termination options:
| Ground | When | Notice period | Compensation |
|---|---|---|---|
| Personal occupation | At each triennial (3-6-9) | 6 months | None |
| Major works | At each triennial | 6 months | None |
| Without grounds | Only at the end of 1st or 2nd triennial | 6 months | 9, 6 or 3 months |
| Serious fault (tenant) | At any time | Via justice of the peace | Per decision |
A landlord who invokes personal occupation must actually occupy the property within the year following the tenant’s departure. If they do not, the tenant can claim 18 months’ rent in damages.
The landlord can never terminate in order to sell the property. The sale of a property with a sitting tenant requires maintaining the lease.
Compensation summary table
| Initiative | Years 1-3 | Years 4-6 | Years 7-9 |
|---|---|---|---|
| Tenant | 3/2/1 months | None | None |
| Landlord (no grounds) | Not possible | 9 months (end of 6th) | 6 months (end of 9th) |
| Landlord (personal occupation) | 0 (end of 3rd) | 0 (end of 6th) | 0 (end of 9th) |
| Landlord (major works) | 0 (end of 3rd) | 0 (end of 6th) | 0 (end of 9th) |
How to notify termination
Notification must comply with strict formal rules:
- Registered letter with acknowledgement of receipt (standard method)
- Bailiff’s writ (more costly but unchallengeable)
- Certified electronic sending (recognised in Brussels since 2026)
Notice takes effect on the first day of the month following the month of receipt of the registered letter. Example: a registered letter received on 15 March starts the notice from 1 April.
The letter must mention:
- The identity of the parties and the property address
- The effective date of the notice
- The grounds (mandatory for the landlord, optional for the tenant)
- The notice period
See our notice letter template and advice for a compliant template.
Practical advice
- Calculate the date carefully: notice runs from the 1st of the month following receipt
- Favour registered post: it is the simplest and least expensive proof
- Landlord: respect the stated grounds — a false personal occupation claim is costly (18 months)
- Tenant: negotiate — if the landlord wants the property back, propose an early departure in exchange for cancelling the compensation
- Anticipate the rental deposit: start the release procedure as soon as notice is sent
To generate a lease with termination clauses compliant with your region, use our lease creation tool.
Frequently asked questions
-
Yes. The tenant can give notice at any time with a 3-month notice period (2 months in Brussels for new leases from 2026). During the first 3 years, compensation is due (3, 2 or 1 months depending on the year).
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No. The sale of a rented property does not end the lease. The buyer takes over the current lease under the same conditions. The landlord can only terminate for personal occupation, major works or serious grounds.
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The lease is automatically renewed for a period of 3 years under the same conditions, unless one of the parties gives 6 months' notice before the expiry date. This tacit renewal is unlimited.
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