Understanding Co-Tenancies and Subletting in South Australia

Renting together with others in South Australia offers flexibility and can reduce living expenses. However, understanding the nuances of co-tenancies and subletting is essential for a harmonious living arrangement. This guide will help you navigate the rules and responsibilities involved in shared housing, ensuring that you are informed and protected by the state's laws.

Understanding Co-Tenancies

In South Australia, a co-tenancy occurs when two or more people sign the same lease agreement, making them equally responsible for the property. This means that all tenants have equal rights and obligations under the Residential Tenancies Act 19951.

Key Responsibilities

  • Rent Payment: Each tenant is jointly and severally liable for paying the full amount of the rent. This means if one tenant fails to pay, the others must cover the shortfall.
  • Bond: All co-tenants contribute to the bond, and any claims against it at the end of the tenancy affect everyone's share.
  • Maintenance and Repairs: All tenants should cooperate to keep the property in good condition and report repairs as needed.

Subletting in South Australia

Subletting involves an existing tenant renting part or all of the leased property to another person. It's crucial to know that the original tenant still holds the primary lease responsibilities.

Steps to Sublet Legally

  1. Seek Landlord Permission: Written consent from the landlord is necessary before subletting. Use the Form 4: Application to Sublet available on the SA Government Housing website2.
  2. Draft a Sublet Agreement: Clearly outline the terms, rent amounts, and obligations to avoid future disputes.
  3. Notify All Parties: Inform current co-tenants and ensure the sublessee understands their responsibilities.

Subletting without permission can lead to serious consequences, including eviction, so always follow the correct processes.

Resolving Disputes

If disputes arise, such as not agreeing on dividing expenses or unauthorized subletting, tenants can seek assistance from the Consumer and Business Services (CBS). The CBS offers mediation services and can help resolve issues amicably3.

Seeking timely advice and communicating openly with all parties involved is key to a successful shared renting experience.
  1. What is the difference between co-tenancy and subletting?

    Co-tenancy involves multiple people on the lease holding equal responsibility, whereas subletting means renting out part of the property by an existing tenant to another person.

  2. Can a landlord refuse subletting?

    Yes, but they must have a valid reason as guided by the Residential Tenancies Act 1995. It's advisable to seek permission in writing.

  3. What happens if a co-tenant wants to move out?

    The departing tenant should provide notice and may need to find a replacement tenant. The remaining tenants must agree to any new tenancy arrangements.

  1. How to legally sublet an apartment in South Australia?
    1. Review your lease agreement to check if subletting is mentioned or restricted.
    2. Obtain permission from your landlord in writing using the Form 4: Application to Sublet.
    3. Draft a sublet agreement that includes rent details and terms.
    4. Communicate with existing co-tenants about the sublease.
    5. Ensure all parties understand their roles and obligations.
  2. How to respond to a landlord refusing subletting?
    1. Request the landlord's reasons for refusal in writing.
    2. Review them against the Residential Tenancies Act 1995 for validity.
    3. Negotiate or offer additional assurances to the landlord, such as references for the sublessee.
    4. If unresolved, consider seeking advice from Consumer and Business Services (CBS).

Key Takeaways

  • Co-tenancies require shared responsibilities among all signed tenants.
  • Permission is essential before subletting any property space.
  • Seek assistance from Consumer and Business Services (CBS) for dispute resolution.

Need Help? Resources for Renters

If you encounter issues with co-tenancies or subletting, resources are available:


  1. Residential Tenancies Act 1995, South Australia, https://www.legislation.sa.gov.au
  2. Form 4: Application to Sublet, SA Government Housing, https://www.sa.gov.au/topics/housing/renting-and-letting/renting-privately/forms-and-fact-sheets
  3. Consumer and Business Services (CBS), South Australia, https://www.cbs.sa.gov.au
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.