Guide to Co-Tenancies & Subletting in NSW

Renting in New South Wales (NSW) often involves shared living arrangements like co-tenancies or subletting. Understanding the rights and responsibilities involved can help avoid potential disputes. This guide provides essential information regarding co-tenancies and subletting under the Residential Tenancies Act 2010 in NSW.

Understanding Co-Tenancies in NSW

A co-tenancy is when two or more individuals sign a lease agreement and share the legal responsibilities of a tenancy. All co-tenants are equally responsible for complying with the lease terms, including paying rent and maintaining the property.

Entering a Co-Tenancy

Before entering a co-tenancy, ensure that all prospective co-tenants understand their commitments. It’s important to communicate openly about financial responsibilities and household rules.

Changing Tenants

Sometimes, life circumstances change, and you may need to add or remove a tenant. In NSW, this typically requires the consent of all parties and approval from the landlord. A new co-tenant may need to sign the existing lease or a new lease may be created. Always check tenancy agreements and discuss any changes with your landlord.

Subletting: How It Works

Subletting is when a tenant rents out a part of the property to another person. In NSW, a tenant must gain written consent from the landlord before subletting. Without consent, a tenant risks breaching the lease agreement.

If considering a sublet, ensure you understand your ongoing responsibilities under the main lease, such as rent payments to the landlord.

Steps to Follow for Subletting

  1. Seek Written Approval: Contact your landlord for written permission before subletting.
  2. Draft a Subletting Agreement: Clearly outline the terms with your subtenant. Consider including rent amounts, payment schedules, and responsibilities.
  3. Keep Open Communication: Maintain good communication with both your landlord and subtenant to prevent misunderstandings.

Legal Protection and Support

In case of disputes, the NSW Civil and Administrative Tribunal (NCAT) provides a forum for resolving residential tenancy disputes. It’s crucial to document all agreements and communications related to co-tenancies and subletting.

Additionally, refer to the NSW Fair Trading for comprehensive guidance on your rights as a tenant.

Frequently Asked Questions

  1. What happens if a co-tenant wants to leave? Changes to co-tenancies, like a tenant exiting, require agreement from all parties and notification to the landlord.
  2. Can a subtenant become a co-tenant? Yes, with the landlord’s approval, a subtenant may be added as a co-tenant, involving signing or amending the lease.
  3. Is landlord’s consent necessary for subletting? Yes, you need written permission from your landlord before subletting a property in NSW.
  4. What documents are needed for subletting? A written consent from the landlord, a subletting agreement, and communication records are essential documents for subletting.

Practical Steps for Renters

  1. How to handle tenant change: Receive proper consent and ensure all parties sign any revised lease agreements.
  2. How to sublet your property: Secure your landlord’s written approval and formalize terms with a subtenant agreement.

Need Help? Resources for Renters

If you need assistance, consider reaching out to the following resources:


  1. Residential Tenancies Act 2010, available at NSW Legislation
  2. Information provided by the NSW Fair Trading
Bob Jones
Bob Jones

Editor & Researcher, Tenant Rights Australia

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.