Rent Increase Notices in Hong Kong (2026): What Landlords Must Send Before Raising the Rent

What the law actually requires: the notice period

For most domestic tenancies in Hong Kong, the notice period for a rent increase is not fixed by statute. Part IV of Cap. 7, which applies to private domestic tenancies, does not control rent increases or impose a mandatory notice period for rent adjustments — this regime was removed by the 2004 amendment. The notice period is therefore determined primarily by the tenancy agreement itself. Most well-drafted agreements specify at least one month's written notice, and that contractual provision is enforceable — but the one-month notice is a market standard and a contractual obligation, not a direct statutory minimum imposed by Cap. 7 for ordinary domestic tenancies.

An exception applies to tenancies of subdivided units regulated under Part IVA of Cap. 7, which came into effect on 22 January 2022. Under Part IVA, rent increases during the term of a regulated tenancy are prohibited entirely, and any increase at renewal is capped by reference to the territory-wide rental index (maximum 10%). Landlords of subdivided units have no flexibility on mid-term increases regardless of what the tenancy agreement says.

For commercial tenancies, Cap. 7 does not impose rent increase controls. Commercial lease terms are governed by the contract, which means the notice period depends on what the parties agreed in writing. In practice, most commercial leases in Hong Kong require at least one month's notice for a rent review, but this is contractual — the parties could agree to more or less.

What the notice must contain

A rent increase notice for a domestic tenancy is not a casual message. To be effective, it should clearly identify:

• The address of the premises being let.
• The name of the landlord and the tenant.
• The current rent and the proposed new rent, stated in Hong Kong dollars per month.
• The date on which the new rent will take effect.
• The basis for the increase, where relevant (for example, if the tenancy agreement ties increases to a specific formula or market review clause).

A notice that omits the effective date creates immediate ambiguity. If a dispute later reaches the Lands Tribunal, a poorly drafted notice can undermine the landlord's entire position. Some landlords also include a short statement inviting the tenant to raise any concerns before the date, which is good practice — though not a legal requirement under Cap. 7.

The domestic versus commercial distinction

The Landlord and Tenant (Consolidation) Ordinance applies principally to domestic tenancies. Part IV of Cap. 7 covers most privately-let residential premises in Hong Kong. Commercial tenancies — offices, shops, industrial units — fall outside the protective framework of Cap. 7 and are instead subject to the general law of contract and, for disputes, the ordinary civil courts or the Lands Tribunal depending on the amount in issue.

This distinction matters. A tenant living in a flat in Wan Chai has statutory protections that a restaurant operator renting the ground floor below that flat does not have. Landlords dealing with mixed-use properties need to be clear about which part of the premises they are addressing and under which legal regime.

How the Lands Tribunal fits in

The Lands Tribunal (established under the Lands Tribunal Ordinance, Cap. 17) has jurisdiction over disputes between landlords and tenants arising from Cap. 7. If a tenant believes a proposed rent increase is excessive, unjustified, or procedurally defective, a claim can be filed with the Tribunal.

In practice, the Tribunal deals with a range of tenancy disputes: unlawful eviction, failure to return deposits, and contested rent increases. A tenant who receives a notice and believes the increase violates the terms of the tenancy agreement — or that the notice period was not properly observed — can apply to the Tribunal for a determination. The Tribunal can order that the old rent continues to apply until the matter is resolved, which gives tenants a meaningful procedural protection.

Landlords should be aware that a purported rent increase notice that does not comply with Cap. 7 or with the tenancy agreement does not automatically lapse — the tenant may accept it, dispute it, or ignore it — but the landlord cannot unilaterally treat non-compliant notice as effective. If the tenant withholds the increase on that basis and the landlord seeks to terminate the tenancy for non-payment of the higher amount, the Tribunal will scrutinize whether the notice was valid from the outset.

Serving the notice correctly

Method of service matters. Under Hong Kong law, a document can typically be served on a tenant by:

• Personal delivery to the tenant or a person of suitable age and discretion at the premises.
• Leaving it at the address of the premises.
• Sending it by registered post to the address of the premises.

If the notice is sent by post, landlords should retain the registered post receipt. A notice slid under the door with no record of delivery creates an obvious evidentiary problem if the tenant later claims they never received it. Cap. 7 contains general provisions dealing with notices, and landlords should also check whether the tenancy agreement contains its own service clause — some agreements specify email notification is sufficient, others require physical delivery.

The date of service also affects when the notice period begins to run. A notice left on a Saturday at a premises where the tenant is known to work weekdays may be treated as received on the following Monday, depending on the terms of the agreement and what a court or the Tribunal considers reasonable.

What happens if a landlord skips the notice

A rent increase implemented without proper notice is not automatically void — but the landlord cannot enforce payment of the higher amount for the period before adequate notice was given. If the landlord accepts rent at the old rate after the purported increase date, there is a real risk that continuing to accept the old amount constitutes a waiver of the increase for that period.

More seriously, if a landlord tries to terminate the tenancy on grounds of non-payment — because the tenant refused to pay the higher, improperly notified rent — the Lands Tribunal is unlikely to grant possession. The landlord's own procedural failure becomes the tenant's defence.

Practical steps before issuing a notice

Before drafting the notice, check three things:

1. Review the tenancy agreement for any rent review clause. Does it specify a formula, a frequency, or conditions? A landlord who ignores a contractual restriction and issues a unilateral increase risks breaching the agreement, not just Cap. 7.

1. Confirm the notice period required by the agreement. For most domestic tenancies the contractual period is the binding minimum, since Cap. 7 does not impose a statutory notice period for rent increases on ordinary tenancies. If the agreement specifies two months, two months governs.

1. Check whether the tenancy is within a fixed term. During a fixed term, the rent is generally locked unless the agreement expressly permits a mid-term increase. Most Hong Kong tenancy agreements for domestic premises are for a fixed term of one or two years, with the rent increase option arising at renewal, not mid-term.

Using a properly drafted notice form keeps the record clean and reduces the chance of a procedural argument later. A ready-to-use Rent Increase Notice for Hong Kong sets out the required information and can be adapted to match the specific terms of the tenancy agreement.

A note on the Stamp Duty and lease registration angle

If a rent increase accompanies a lease renewal or a variation of tenancy, the varied document may need to be stamped under the Stamp Duty Ordinance (Cap. 117) within 30 days of execution. An unstamped document cannot be admitted as evidence in civil proceedings. This is a separate obligation from the notice requirement under Cap. 7, but landlords who are renewing at a higher rent and formalizing the arrangement in a new agreement should not overlook it.

Key points at a glance

• For most domestic tenancies, the notice period for a rent increase comes from the tenancy agreement, not from Cap. 7 — always read the contract first.
• Subdivided units regulated under Part IVA of Cap. 7 (in force since January 2022) cannot have mid-term rent increases at all, with renewal increases capped by the RVD rental index.
• Commercial tenancies rely on the contract, not Cap. 7's protective framework.
• The notice must state the address, parties, current rent, new rent, and effective date.
• The Lands Tribunal hears disputes about whether a notice was valid and whether the increase can be enforced.
• Service by registered post is the safest method — keep the receipt.
• A rent increase given with defective notice cannot be enforced for the period not covered by proper notice.
• Check the tenancy agreement before issuing any notice — for most domestic tenancies the contract is the primary source of notice obligations, not Cap. 7.