How long is the notice period for a tenant in Belgium?

In Belgium, a tenant of a primary-residence lease must give three months' notice, regardless of the region (Wallonia, Brussels or Flanders). This period starts running on the first day of the month following receipt of the registered letter. An indemnity may also be due if the tenant terminates during the first triennial period of the lease.

Can a lease be terminated by email in Belgium?

No, an email alone does not constitute a legally enforceable notice under Belgian law. The law requires that lease termination be notified by registered letter with return receipt or via a bailiff. An email without a registered follow-up risks not triggering the notice period and may expose the sender to a legal challenge.

What notice period must a landlord give in Belgium?

Landlords must generally give six months' notice, but the exact duration depends on the ground (personal occupancy, major works or no-ground termination at the end of a triennial period) and the region. Some grounds allow shorter or longer notice periods. An error in the notice period or the absence of a valid ground may result in the notice being declared void by the justice of the peace.

Are the notice periods the same in Wallonia, Brussels and Flanders?

The main durations (3 months for the tenant, 6 months for the landlord) are similar across all three regions, but the rules on indemnities, valid grounds and exceptions differ. Since the regionalisation of lease law, each region has its own legislation — the Walloon decree, the Brussels ordinance and the Flemish decree — with divergences that must be checked according to the property's address.

How can you send a registered lease notice without going to the post office?

You can send a registered letter online through services like Bjet24: you write or upload the letter, enter the recipient's address, and the service prints, franks and drops the letter at a bpost office the same day if the order is validated before noon on a business day. A proof of posting and, once delivered, a proof of delivery are archived in your personal account.

Lease termination Belgium: notice period and registered mail

Why leases are a regional matter

Residential leases have been regionalised in Belgium: for a few years now, it is the Region where the property is located that sets the rules, not the federal law. Practically, this means a lease notice in Liège, Brussels and Antwerp does not obey exactly the same rules. Before sending your letter, clearly identify the region of the rented property.

This guide gives the common skeleton (form, registered mail, mentions) and points out the main regional differences without diving into every exception. For a full overview of registered mail in Belgium, see our complete guide to registered mail in Belgium.

Tenant's notice

In all three regions, the tenant of a primary-residence lease can generally terminate the lease at any time, subject to:

a three-month notice period,
possibly an indemnity if termination occurs during the first period (e.g. the first three years of a nine-year lease).

The exact indemnity rules vary by region and by date of signature. Check the applicable regional decree or have the letter reviewed by a lawyer if the financial stakes are high.

Landlord's notice

For the landlord, notice is more strictly framed. Depending on the region and the ground (personal occupancy, major works, no ground at the end of a triennial period, etc.), you must respect:

a specific notice period (often 6 months),
a valid ground where regional law requires one,
possibly an indemnity to the tenant if termination is without ground.

A notice given outside the foreseen cases, without ground or out of time, can be declared void by the justice of the peace. The cost of a mistake is therefore far higher than the price of a well-prepared registered letter. If you need to first send a formal notice before terminating the lease, read our article on formal notices in Belgium: template and procedure.

Why registered mail is essential

In all regions, the registered letter (or bailiff service) is the channel required by law to give lease notice. A notification by email, WhatsApp or simple letter is in principle not enforceable: the deadline does not start running and the notice can be challenged.

Registered mail allows you to:

set the date from which the notice period runs,
prove the content of the letter sent,
prove reception by the recipient (with return receipt).

Belgium also recognises electronic registered mail (eRegistered), which carries the same legal value as paper. See our comparison of electronic vs paper registered mail in Belgium to choose the right option. For commercial leases or leases between businesses, also check the specific clauses of the contract (sometimes stricter notice and form requirements).

Template notice letter (tenant)

[Tenant name]
[Address of the rented property]

[Landlord name]
[Address]

At [Place], on [date]

Subject: Notice of termination — lease of [lease date]
Sent by registered mail with return receipt

Dear Sir or Madam,

By this letter, I notify you of my decision to terminate the
lease relating to the dwelling located at [full address],
concluded on [date], in accordance with the legal provisions
applicable in the [Walloon / Brussels-Capital / Flemish]
Region.

The three-month notice period will start on the first day of
the month following receipt of this letter, i.e. [date], and
will end on [date].

I remain at your disposal to organise the exit inventory.

Yours faithfully,

[Name]
[Signature]

Template notice letter (landlord — personal occupancy)

[Landlord name]
[Address]

[Tenant name]
[Address of the rented property]

At [Place], on [date]

Subject: Notice of termination for personal occupancy
Sent by registered mail with return receipt

Dear Sir or Madam,

By this letter, I notify you of my decision to terminate the
lease relating to the dwelling located at [full address],
concluded on [date], on the ground of personal occupancy of
the property by myself.

The six-month notice period will start on the first day of the
month following receipt of this letter, i.e. [date], and will
end on [date].

I confirm my intention to effectively occupy the property
under the conditions provided by the applicable regional
legislation.

Yours faithfully,

[Name]
[Signature]

Sending a lease notice without going to the post office

The most frequent mistake is not the content of the letter — it is missing the deadline because the sending was put off. With Bjet24, you prepare the letter, enter the address, pick registered with return receipt, and the proof of posting is generated immediately. The proof of delivery is archived in your account as soon as bpost records it. Check our online registered mail pricing to send your lease notice today without leaving home.

For a property manager handling hundreds of leases, the effect is even more striking: no more daily trips to the post office, and the bpost proofs are stored with the file of each property.

Three mistakes to avoid

Notifying by email only. Except for an express contractual clause accepted by the recipient, email does not carry the value of an enforceable notification.
Miscalculating the start date. The notice period generally starts on the first day of the month following reception. Recalculate the end date carefully.
Forgetting the return receipt. Without proof of delivery, you cannot demonstrate the starting point of the deadline.

Summary

A successful Belgian lease termination requires both correct substance (regional regime, ground, notice) and correct form (registered mail with return receipt, signed letter). Document the procedure once, automate the sending with Bjet24, and you will avoid disputes that can turn a simple tenant change into months of proceedings.