Subletting and Assigning Your Lease in New Brunswick: Tenant Rights

Discrimination & Accessibility New Brunswick 5 min read · published March 09, 2026 Flag of New Brunswick

Many tenants in New Brunswick face situations requiring them to move before the end of their lease, such as relocating for work or family reasons. Understanding the rules for subletting and assigning a lease can help you avoid costly mistakes and ensure your rights are protected under the law. This article provides a detailed overview of the subletting and assignment process in New Brunswick, what forms you need, and how the law applies.

Subletting vs. Assigning a Lease: What's the Difference?

First, let's clarify the terms:

  • Subletting means you temporarily transfer your right to occupy your rental to someone else, but you plan to return and resume the lease before it ends. You remain responsible for the lease.
  • Assigning your lease is when you permanently transfer the lease and all its responsibilities to another person. You no longer have rights or obligations under the agreement once it's assigned and approved.

In both cases, New Brunswick law requires you to obtain your landlord's written consent before proceeding.

Consent should be in writing. Obtain explicit written approval from your landlord before moving forward, and keep copies of any approvals or forms you submit. Without written consent, subletting or assignment could breach the lease and complicate disputes.

Legal Rights and Landlord Permissions

The key legislation governing subletting and assignment in New Brunswick is the Residential Tenancies Act (R-10.2)[1]. This law gives tenants the right to request assignment or subletting, but also allows landlords to screen and approve prospective new tenants reasonably. If your landlord refuses without a good reason, you may appeal to the official housing tribunal.

The provincial authority responsible for residential tenancy matters is the New Brunswick Residential Tenancies Tribunal.

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Official Forms and How to Use Them

In New Brunswick, the main form you'll need for these processes is:

  • Form 4: Notice to Assign or Sublet Premises

When to use: Use this form when you wish to assign your lease to someone else or sublet the unit temporarily. You must fill out the form and provide it to your landlord. The form asks for your details, the proposed new tenant's details, and the terms of the sublet or assignment. Your landlord then has 7 days to respond in writing.

Before submitting Form 4, gather the proposed subtenant's contact details and references, and discuss terms with them. Then provide clear terms to the landlord and request written approval; keep a copy of the submitted form and any landlord response.

Example: If you need to move out for six months to accept a temporary job in another city but want to return, you would sublet your unit and provide your landlord with Form 4 listing your intended subtenant.

If Your Landlord Refuses

If your landlord rejects your request to assign or sublet, the refusal must be for valid reasons (such as inability of the proposed new tenant to pay rent or poor references). Unreasonable refusal may be challenged before the Residential Tenancies Tribunal. Submit your complaint with supporting documentation and a copy of your completed Form 4 if needed.

If you’re facing obstacles when trying to assign or sublet your lease, keep all written correspondence and respond promptly to your landlord’s requests. This will help support your case if you need to appeal to the tribunal.

Tenant Responsibilities During Sublet or Assignment

  • When subletting, you remain responsible for rent payment, property condition, and lease obligations during the sublet period.
  • For assignments, your responsibilities end once the assignment is approved and completed.
  • Ensure the new occupant understands rental obligations to avoid issues with damages, noise, or late payments.

If you’re unsure about your ongoing responsibilities, see our detailed guide on Obligations of Landlords and Tenants: Rights and Responsibilities Explained.

Ending Your Lease Early

If subletting or assignment is not possible, ending your lease early in New Brunswick can be challenging. Review your lease agreement and consider discussing options with your landlord. For further advice, see What to Do If You Need to Leave Your Rental Before the Lease Expires.

Ending a lease early can risk breach of contract and penalties. Talk to your landlord about alternatives (mutual termination or lease surrender) and document any agreed terms in writing.

For a comprehensive look at tenant and landlord rights and responsibilities in your province, visit Tenant Rights and Landlord Rights in New Brunswick.

For those looking for a new place, you can Browse apartments for rent in Canada easily online.

  1. Is my landlord allowed to charge a fee for subletting or assigning my lease?
    No, the Residential Tenancies Act for New Brunswick does not allow landlords to charge a fee for processing a request to sublet or assign a lease. However, you are responsible for any costs associated with finding a suitable tenant.
  2. How long does my landlord have to respond to my request?
    Your landlord must reply in writing within seven days of receiving your notice (Form 4). If they do not respond, it may be considered consent by default.
  3. What if the new tenant damages the unit during a sublet?
    If you sublet, you remain responsible for any damages or unpaid rent until the end of the rental term. Take steps to ensure your subtenant follows the lease and document the unit’s condition with photos and a checklist before and after the sublet.
  4. Can I assign my lease if I have a month-to-month agreement?
    Yes, tenants with month-to-month tenancies have the same rights to assign or sublet, but you must still follow the legal process and use the correct forms.
  5. What can I do if my landlord unreasonably refuses my request to sublet or assign?
    You can apply to the Residential Tenancies Tribunal for resolution. Provide evidence of your landlord’s refusal and all related documents. The Tribunal can order your landlord to allow the request if their refusal is found unreasonable.

Need Help? Resources for Tenants


If you need help understanding your rights, contact a local tenant advocacy group or a legal clinic for free guidance; they can help you prepare submissions for the tribunal and review Form 4.
  1. Residential Tenancies Act (R-10.2), Government of New Brunswick
  2. New Brunswick Residential Tenancies Tribunal
  3. Form 4: Notice to Assign or Sublet Premises

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Marie Dubois
Marie Dubois

Bilingual Housing Rights Advisor, Tenant Rights Canada

Marie covers tenant rights across Quebec and the Atlantic provinces in both English and French. With a background in Quebec civil law and residential tenancy, she is a trusted voice on the Tribunal administratif du logement process and francophone tenant rights.