BC Rent Increase 12-Month Rule: How Often Can a Landlord Raise Rent?

The Core Rule

Under Section 42 of the Residential Tenancy Act, rent can be increased at most once every 12 months. The clock starts from whichever of these dates is more recent:

• The date the initial rent was first established at the start of the tenancy
• The date the last lawful rent increase took effect

This creates a rolling anniversary. If rent was first set at $1,800 on March 1, 2025, and the landlord increased it to $1,841 effective March 1, 2026, the next increase can't take effect until March 1, 2027 at the earliest.

What Doesn't Reset the Clock

Several events that feel like a "new start" do not reset the 12-month period:

Renewing a fixed-term lease. If a one-year fixed-term agreement expires and the parties sign a new one, the tenancy is continuous. The rent increase clock keeps running from the original date or the last increase, whichever is later.

Rolling from fixed-term to month-to-month. When a fixed-term ends and the tenant stays on under a periodic tenancy, the clock is unchanged.

Selling the property. A change of ownership does not create a new tenancy. The new landlord inherits the existing tenancy terms — including the current rent and the position on the 12-month clock.

Adding or removing occupants. A new roommate, a partner moving in, or a child being born does not give the landlord a right to increase rent outside the 12-month cycle. The only exception is if the tenancy agreement includes an explicit clause specifying an exact dollar increase per additional occupant — and even then, that clause may be subject to challenge.

What Does Reset the Clock

A genuinely new tenancy resets everything. If the previous tenant vacates, the landlord can set initial rent at market rate for the incoming tenant. The 12-month clock starts fresh from the date the new tenant's rent is established.

But this requires an actual vacancy and a new tenant. Restructuring an existing agreement, replacing one co-tenant, or relabeling the lease does not qualify.

The Forfeiture Trap

If a landlord does not use a calendar year's allowable cap, the unused percentage cannot be banked or added to a later year's cap. Missing the anniversary date itself does not automatically forfeit that year's increase: a notice with an early effective date takes effect on the earliest date that complies with the 12-month and notice rules under Section 42(4) of the RTA.

If you apply a below-cap increase — say 1.0% during a year with a 2.3% cap — the remaining 1.3% is also forfeited. It cannot be added to next year's allowable percentage.

The anniversary is the earliest date an increase may take effect, subject to the notice period. Missing that date can delay the increase, but it does not by itself mean the year's allowable increase is lost.

Practical Timing

The 12-month rule interacts with the three-full-months notice requirement. To have a rent increase take effect on the anniversary date, you need to serve notice and have it deemed received at least three full rental months earlier.

For a March 1 anniversary:

• Three full months: December, January, February
• Notice must be deemed received by November 30
• If mailing, allow 5 days — mail by November 25

Plan ahead, or the notice period pushes your effective date past the anniversary into the next month.

For worked examples covering every delivery method and notice timing scenario, see the BC Rent Increases guide.

See more British Columbia guides →