Understanding Co-Tenancy and Subletting in South Australia

If you're renting in South Australia, understanding your rights around co-tenancies and subletting can help you navigate shared living arrangements effectively. Whether you're co-tenants or considering subletting, knowing the legal framework is crucial to ensuring a harmonious living environment.

Co-Tenancy Agreements in South Australia

Co-tenancy occurs when two or more people sign a rental agreement with a landlord. This shared agreement means all co-tenants are responsible for the entire rent and property conditions.

Rights and Responsibilities

As a co-tenant, you have equal rights to live in the property and are jointly responsible for rent and damages. If one co-tenant cannot pay their share, the remaining tenants are liable for covering the shortfall.

Leaving the Co-Tenancy

If you plan to leave a co-tenancy, you should give appropriate notice and seek a mutual agreement with remaining tenants and the landlord. The Residential Tenancies Act 1995 governs these processes, ensuring fair treatment for all parties involved.
Learn more about the Residential Tenancies Act 1995.

Understanding Subletting

Subletting involves a tenant renting part or all of their rental property to another person. In South Australia, tenants must obtain written permission from their landlord to sublet the property.

Official Forms and Permissions

When subletting, ensure you have the landlord's written consent. Using the official subletting agreement forms can help formalize the arrangement, protecting you legally. An example of practical use is obtaining permission for subletting a room to a friend during a long vacation.

Before subletting, review your current lease agreement to understand any restrictions or obligations.

Handling Disputes

If disputes arise over co-tenancies or subletting, tenants can seek mediation through South Australia's South Australian Civil and Administrative Tribunal (SACAT). This body offers a legal avenue to resolve conflicts amicably.
Visit SACAT for more details.

  1. If you consent to subletting, ensure the subtenant is aware of the lease terms and obligations.
  2. Seek a mutual agreement in writing for any changes to the co-tenancy arrangement.

FAQ Section

  1. What happens if a co-tenant doesn't pay their rent?

    In South Australia, all co-tenants are jointly liable. If one tenant cannot pay, the remaining tenants must cover the rent to avoid breaching the lease agreement.

  2. Can a tenant sublet without informing the landlord?

    No, tenants must obtain written consent from the landlord before subletting any part of the property to avoid potential breach of lease.

  3. What are the repercussions of an unauthorized sublet?

    Unauthorized subletting can result in eviction or legal actions by the landlord, as it's a breach of the lease agreement.

Key Takeaways

  • Understand your co-tenancy rights and responsibilities as stipulated in the Residential Tenancies Act 1995.
  • Always obtain written permission from your landlord before subletting.
  • Seek assistance from SACAT for resolving tenancy disputes.

Need Help? Resources for Renters

For support and advice concerning co-tenancy or subletting, contact:


  1. Content for footnotes with references to the sources cited in the article.
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.