Understanding Joint Tenancy vs Tenants in Common in Your South Australia Property Contract

Plain English Definition

"Joint Tenancy vs Tenants in Common" refers to the two different ways multiple people can own a property together under South Australian law. Joint Tenancy means all owners hold an equal interest in the whole property with a "right of survivorship," while Tenants in Common own specific, defined shares (like 50/50 or 70/30) that can be sold or left to heirs independently.

The Danger Zone: Buyer's Risk

• The Survivorship Trap: In a Joint Tenancy, if one owner dies, their share automatically passes to the surviving owner(s) regardless of what is written in their Will, which can unintentionally disinherit children or family members.
• Inflexible Share Distribution: If you choose Tenants in Common on your REISA Contract but fail to specify the percentages, Land Services SA may default to an equal split, even if one party contributed 90% of the purchase price.
• RevenueSA Double Duty: If you sign the REISA Contract as Joint Tenants but decide to change to Tenants in Common after the cooling-off period, RevenueSA may view this as a change in beneficial interest and attempt to charge stamp duty a second time.
• Land Tax Aggregation: For investors in South Australia, owning property as Joint Tenants can lead to higher land tax bills because the property is assessed as a single entity, potentially pushing you over the tax-free threshold faster than if you held separate shares.
• Forced Sale Litigation: If Tenants in Common disagree on when to sell, one party may be forced to apply to the Supreme Court under the Law of Property Act 1936 (SA) for a partition order, a process that can cost over $15,000 in legal fees.
• Asset Protection Vulnerability: In a Joint Tenancy, the entire property's equity may be more vulnerable to the creditors of just one owner, whereas Tenants in Common provides a clearer legal boundary between each owner's individual assets.

Real-Life South Australia Scenario

Li and Zhang, two friends from Mawson Lakes, bought an investment property in Adelaide using a REISA Contract and ticked "Joint Tenants" to keep things simple. Two years later, Li passed away, and because of the right of survivorship, his entire interest in the property automatically transferred to Zhang. Li’s family in China received nothing from the property investment because the Joint Tenancy structure overrode the instructions in Li's Will. The lesson: You must choose your ownership structure based on your long-term inheritance goals, not just for short-term convenience at the time of signing.