NWT Rent Increase Notice Period: Three Months, No Shortcuts

At least three months' written notice. That is the minimum a landlord must give before a rent increase takes effect in the Northwest Territories. Serve even one day short and the notice does not meet Section 47's timing rule.

How the Three-Month Countdown Works

Under Section 47 of the Residential Tenancies Act, written notice must be given at least three months before the increase takes effect, and the increase is not effective until three months have expired from the notice date. For a monthly tenancy where rent is due on the first:

• Serving on or before November 30 means the three-month period runs December 1 through February 28 (or 29). The earliest effective date is March 1.
• Serving on December 2 means the effective date must be at least three months later, on or after March 2.

Use the date the notice is served or deemed served to calculate the three-month period. Section 47 does not say the countdown starts on the first day of the next month.

Deemed Service Dates Add a Buffer

Not every delivery method counts as received on the day you send it:

• Personal delivery — effective the day you hand it to the tenant.
• Registered mail — deemed served on the seventh day after mailing.
• Email (if the tenant provided an email address for service) — deemed received three days after sending unless the sender receives an undeliverable message.
• Fax — allowed if the tenant has provided a fax number.

If you mail a notice on November 25, it is deemed served on December 2. A November 29 mailing is deemed served on December 6. In either case, the effective date must be at least three months after the deemed service date.

What the Notice Must Contain

The RTA requires written notice at least three months before the increase and does not prescribe a rent-increase form or a required list of fields. For clarity, landlords commonly include:

• Full address of the rental unit
• Names of landlord and tenant
• Current monthly rent and proposed new rent
• The effective date of the increase
• The date of the last increase (or, if the premises have never been rented, the date rent was first charged) to check the 12-month rule
• A statement of the tenant's right to treat the notice as a termination notice under Section 47(4)
• Your signature and the date

Clear details can prevent disputes, but Section 47 does not make each item in this practical list a mandatory notice field.

What Goes Wrong

The most common notice-period mistakes landlords make:

1. Forgetting the deemed service buffer. Mailing the notice three months before the intended effective date is not enough — you need three months from deemed receipt.
2. Counting from the wrong reference point. The 12-month interval runs from the last effective increase date, not the date you served the last notice.
3. Choosing an unclear effective date. State the date plainly and allow at least three months from the date the notice is served or deemed served.

Protect Your Timeline

A defective notice means starting over. That is three more months of waiting at the old rent. The Northwest Territories Rent Increase Guide includes date calculation worked examples for every common scenario — personal delivery, registered mail, and email — so you can pin down the exact service deadline for your target effective date.

See more Northwest Territories guides →