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Why is stamp duty so expensive in Australia?

Budgeting & Personal Finance

12 January 2025

5 min read

It typically costs tens of thousands of dollars (or more) – but why is stamp duty so expensive, and is Australia an isolated case?

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Written by

Nick Nicolaides
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For many Australians, the journey to owning a home is full of excitement and careful planning – until stamp duty enters the equation. This article aims to find out why it’s so expensive.

Buying property in Australia can be a major milestone, but the joy of homeownership often comes with a hefty price tag – and not just for the property itself. Stamp duty, a tax that can be tens of thousands of dollars, leaves many buyers scratching their heads and wondering, “Why is it so expensive?”

In this article, we’ll break down what stamp duty is, why it costs so much in Australia, and what it means for you as a buyer.

What exactly is stamp duty?

Stamp duty is a tax levied by state and territory governments on certain transactions, with property purchases being the most significant. Officially referred to as “transfer duty” in some places, it’s calculated as a percentage of the property’s purchase price or market value – whichever is higher. Rates and thresholds differ across states, but the underlying principle is consistent nationwide.

When purchasing a property, stamp duty often becomes one of the largest upfront costs after your deposit . This tax is intended to cover the administrative process of transferring ownership, but for buyers, it’s often just another steep hurdle to clear.

Why does stamp duty cost so much in Australia?

The eye-watering expense of stamp duty in Australia can be traced to several key factors:

1. Soaring property prices

As property values have skyrocketed over the years, so has the corresponding stamp duty. Since the tax is a percentage of a property’s value, higher home prices mean higher taxes.

In cities like Sydney and Melbourne, where median house prices are upwards of $1 million, it’s easy to see how stamp duty can quickly add up to tens of thousands of dollars.

2. Bracket creep: A hidden cost

Stamp duty brackets in many states haven’t kept pace with inflation or rising property prices. This “bracket creep” means that more properties are being taxed at higher rates, even if they are modestly priced. What once applied only to luxury homes now affects everyday buyers, creating a growing financial strain.

3. A lifeline for state budgets

State and territory governments rely heavily on stamp duty as a source of revenue. It’s estimated that stamp duty contributes billions of dollars annually to state coffers.

For example, in New South Wales during the 2022-2023 financial year, transfer duties accounted for nearly 30% of total state tax revenue . In 2021, it accounted for 5.5% of combined state and territory revenue, making Australia second in the world to South Korea when it comes to stamp duty earnings. This reliance makes reform a politically delicate issue.

4. No national standard

Because stamp duty is controlled by individual states and territories, there’s no unified national policy to address its inefficiencies. Without competitive pressure or federal intervention, rates remain high, leaving buyers to shoulder the burden.

How does Australia stack up against other countries?

Globally, Australia’s reliance on stamp duty sets it apart. Other nations have adopted different approaches to taxing property transactions, often easing the burden on buyers.

1. The United States: Lower upfront taxes

In the US, property buyers typically face a lower transaction tax, known as a “deed tax” or “transfer tax.” Rates vary by state but are generally modest compared to Australia.

Additionally, annual property taxes fund local services, reducing the need for large upfront levies.

2. The UK: Exemptions for first-home buyers

The UK’s stamp duty land tax (SDLT) shares similarities with Australia’s system but includes targeted exemptions.

For instance, first-home buyers in England and Northern Ireland pay no stamp duty on properties valued under £425,000, offering significant relief to new buyers.

3. Singapore: A strategic approach

Singapore’s stamp duty system includes progressive rates and additional taxes for foreign buyers and investors. These measures are designed to curb speculation and maintain housing affordability, providing a model for balancing revenue with policy objectives.

What does high stamp duty mean for buyers and the market?

The ripple effects of expensive stamp duty go far beyond individual transactions. Here’s how it impacts buyers and the broader housing market :

1. Less flexibility for homeowners

High stamp duty may discourage people from moving, whether it’s upgrading, downsizing, or relocating for work . This lack of mobility can sometimes lead to inefficiencies, such as families staying in homes that no longer suit their needs.

2. Worsened affordability

By adding to the overall cost of buying a home, stamp duty can exacerbate housing affordability challenges, particularly in high-demand areas where every dollar counts.

3. An economic drag

Economists often criticise stamp duty as a “deadweight” tax that distorts the market. Unlike annual land taxes, which are less likely to influence buying decisions, stamp duty may discourage transactions and reduce market liquidity.

Could reforms change the game?

The prospective drawbacks of stamp duty have spurred calls for reform, and some ideas are already being discussed or even trialled:

1. The land tax alternative

One popular proposal is to replace stamp duty with an annual land tax. Under this model, buyers would pay a smaller recurring tax based on the value of the land rather than an upfront lump sum.

New South Wales has already introduced an optional property tax for some buyers, offering them a choice between the two systems.

2. Updating tax brackets

Indexing stamp duty brackets to inflation or property price growth could help alleviate bracket creep. This would ensure that modest homes aren’t unfairly pushed into higher tax categories.

3. Better-targeted concessions

Expanding concessions for first-home buyers and low-income earners could make a meaningful difference. While some states offer limited relief for cheaper and off-the-plan homes , broader reforms could ease the financial burden for those who need it most.

4. Toward a national framework

A consistent, nationwide approach to stamp duty could simplify the system and reduce inefficiencies. However, achieving this would require substantial coordination between state and federal governments.

Summing up

Stamp duty can be a significant hurdle for Australian property buyers. With soaring property prices and a heavy reliance on this tax for state revenue, reforming the system won’t be easy – but it’s not impossible. Ideas like annual land taxes and indexed brackets could pave the way for a more equitable future.

As you navigate the property market, understanding the role of stamp duty can help you plan ahead and avoid surprises. Remember, knowledge is power – and with the right preparation, you’ll be better equipped to take the leap into homeownership.

In the meantime, happy investing!

Author Profile Picture

Written by

Nick Nicolaides

Nick Nicolaides is the co-founder and CEO at Pearler. Having spent his career in portfolio management, advisory, investment analysis, and (plot twist) fashion, Nick co-launched Pearler with a simple aim: to help Aussies avoid working until they die. To this end, Nick believes in the power of boring, long-term investing. It's this philosophy which explains why Pearler's features are geared towards ETFs (exchange-traded funds), home ownership, and getting rich slow. Nick lives on the south coast of New South Wales with his spouse and three children. When he isn't spending time with his family or nerding out over long-term investing, he'll most likely be on the back of a freshly waxed surfboard. To reach out to Nick, send him an email at nick@team.pearler.com

All figures and data in this article were accurate at the time it was published. That said, financial markets, economic conditions and government policies can change quickly, so it's a good idea to double-check the latest info before making any decisions.

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