Understanding Co-Tenancies & Subletting in NSW

In New South Wales, navigating the complexities of co-tenancies and subletting can seem daunting, especially when you're trying to protect your rental rights. As a renter, it's crucial to understand your responsibilities and the legal implications involved in these types of agreements.

Co-Tenancies Explained

Co-tenancy occurs when more than one person signs a lease agreement, sharing equal responsibility for the rent and property. Each co-tenant is generally responsible for the full rent, and other tenancy conditions. Importantly, if one co-tenant fails to pay their share, the others must cover the shortfall.

Rights and Responsibilities

  • Equal Responsibility: All co-tenants share liability for the property, including damage or rental arrears.
  • Bond: The total bond is lodged with NSW Fair Trading, usually split among tenants. Consider using the Bond Lodgement form.
  • Decision-Making: All major decisions, such as ending the tenancy, must have unanimous co-tenant consent.

Subletting in New South Wales

Subletting refers to renting out part or all of your rented property to another person while still holding a lease. Before subletting, you must seek approval from your landlord to avoid breaching your lease agreement.

Subletting Process

Key Considerations

  • Primary Tenant Obligations: If the subtenant fails to pay their rent, the primary tenant is liable to the landlord.
  • End of Tenancy: Sublease agreements should reflect the notice requirements found in the Residential Tenancies Act.
Tip: Always keep clear, documented communication with your landlord and subtenant to avoid disputes.

FAQ Section

  1. What happens if a co-tenant moves out? The remaining co-tenants must agree to end the lease, or find a replacement and seek landlord approval.
  2. Can a landlord refuse subletting? Yes, landlords can refuse subletting if there are reasonable grounds, which must be communicated in writing.
  3. What if a subtenant causes damage? The primary tenant is responsible for any damages caused by the subtenant.

How To Section

  1. How to request landlord approval for subletting:
    • Discuss your intention to sublet with your landlord and obtain verbal agreement.
    • Submit a written request detailing the proposed subtenant and terms.
    • Wait for a formal written response from the landlord.
  2. How to resolve co-tenant disputes:
    • Communicate openly with all co-tenants to resolve issues amicably.
    • If unresolved, consider mediation through services like Fair Trading NSW.

Summarize Key Points

  • Understand your equal responsibility in co-tenancies.
  • Secure written landlord permission before subletting.
  • Protect yourself by documenting all agreements.

Need Help? Resources for Renters

If you're facing issues related to co-tenancies or subletting in New South Wales, contact these resources for guidance:


  1. Residential Tenancies Act 2010 (NSW)
  2. NSW Fair Trading
  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.