Legal Advice for Co-Tenancies & Subletting in NSW

Understanding the complexities of co-tenancies and subletting in New South Wales is essential for renters. Whether you're considering entering a co-tenancy or subletting your existing rental property, knowing when to seek legal advice can safeguard your rights. This article provides a comprehensive guide to help NSW renters navigate these scenarios effectively.

Understanding Co-Tenancy and Subletting

In New South Wales, a co-tenancy occurs when two or more parties sign a tenancy agreement and share responsibility equally. On the other hand, subletting happens when a tenant rents out their space to another person, whilst maintaining the original tenancy agreement.

Key Scenarios to Seek Legal Advice

  • Disputes Among Co-Tenants: If conflicts arise between you and your co-tenants over responsibilities or shared expenses, seeking legal guidance can help resolve issues amicably and ensure all parties understand their obligations under the Residential Tenancies Act 2010 (NSW).
  • Unauthorized Subletting: Engaging in subletting without your landlord's consent could lead to legal complications or eviction. Understanding your rights and the correct process, possibly by consulting a legal expert, is crucial to avoiding disputes.
  • Breaking a Lease: Should circumstances force you to break your lease in a co-tenancy, legal advice can inform you of obligations such as notice periods and potential penalties, ensuring compliance with the law.

Official Forms and How to Use Them

  • Subletting Request Form: Before subletting, you must obtain written consent from your landlord. The official Subletting Request Form should be submitted, detailing the sublet arrangement.
  • Change of Shared Tenancy Arrangement Form: When a co-tenant wants to leave the lease agreement, this form helps you update the tenancy terms legally. Find it here. An example could be if you and your flatmate want to replace one tenant with another; completing this form ensures everything is documented.

Tenancy Dispute Resolution

If you face unresolved disputes, the NSW Civil and Administrative Tribunal (NCAT) can assist in mediating and resolving issues. For more on their processes, visit their official site.

FAQ Section

  1. Do I need my landlord's permission to sublet? Yes, in NSW, you must have written permission from your landlord to sublet part or all of your rental property.
  2. What are my rights if a co-tenant leaves without notice? If a co-tenant vacates without notice, consult your lease agreement and seek legal advice to understand your rights and potentially pursue a tenancy tribunal claim.
  3. Can I be evicted if my co-tenant breaches the lease? Generally, all co-tenants are jointly responsible for lease terms. A breach by one can affect all; hence, legal advice may help navigate this situation effectively.

How To Section

  1. How to obtain approval for subletting in NSW:
    • Fill out the Subletting Request Form from NSW Fair Trading.
    • Provide details about the subtenant and rental arrangement.
    • Submit the form to your landlord and await written consent.
  2. How to change co-tenancy names on a lease:
    • Use the Change of Shared Tenancy Arrangement Form.
    • Complete it with all current tenants and the new tenant.
    • Submit the completed form to your property manager or landlord.

Key Takeaways

  • Co-tenancy and subletting involve distinct legal obligations; understanding these is key to a harmonious renting experience.
  • Seek legal advice if facing disputes, unauthorized subletting, or lease-breaking issues to ensure compliance with the Residential Tenancies Act 2010 (NSW).
  • Utilize official forms and seek tribunal support when needed.

Need Help? Resources for Renters

For further assistance or to address specific tenancy questions, NSW renters can reach out to the following:


  1. Residential Tenancies Act 2010 (NSW)
  2. Fair Trading Act 1987 (Cth)
  3. NSW Civil and Administrative Tribunal
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.