Is an Investment Property Worth It? Rental Yield Explained

Property is a popular investment, but judging one well means understanding rental yield — and knowing the difference between the gross figure and the real one.

Plantrino Guides · Updated 2026 · About a 9-minute read

An investment property can be a powerful wealth-building tool, but it is also a large, complex commitment that ties up a lot of money. To judge whether a particular property is a good investment, you need a clear way to measure its income. That measure is rental yield. This guide explains it — and the costs that the headline number hides.

What Rental Yield Is

Rental yield expresses the rental income of a property as a percentage of its value. It lets you compare properties of different prices on a level footing, and compare property against other investments. A higher yield means more income relative to the price paid.

Gross Yield: The Headline Figure

Gross rental yield is the simple version. It uses annual rent and the property price, with no costs taken out:

A property worth 500,000 that rents for 500 a week earns 26,000 a year. Its gross yield is 26,000 ÷ 500,000 × 100 = 5.2%. Gross yield is quick and useful for a first comparison — but it flatters every property, because owning one is far from free.

Net Yield: The Figure That Matters

Net rental yield subtracts the costs of owning the property before calculating the percentage. It is a much more honest measure of what the property actually returns:

The costs are substantial and easy to underestimate. They typically include council rates, building insurance, maintenance and repairs, property management fees, strata fees where they apply, and periods when the property sits empty between tenants — known as vacancy. Once these come out, a 5.2% gross yield can fall to something noticeably lower. The gap between gross and net is exactly where inexperienced investors get caught.

A Worked Example: From Gross to Net

Here is the same 500,000 property, this time with a realistic set of ownership costs attached. The numbers are purely for illustration — your actual costs will depend on the property, the state, and the manager you use:

• Council rates: 2,200 a year
• Landlord and building insurance: 1,600 a year
• Maintenance and repairs allowance: 2,500 a year
• Property management fee (a percentage of rent collected): 1,820 a year
• Vacancy (two weeks between tenants): 1,000 of lost rent

That totals 9,120 a year in costs. The property's net rental income is 26,000 − 9,120 = 16,880, and its net yield is 16,880 ÷ 500,000 × 100 = 3.4%. The headline 5.2% has lost more than a third of itself to running costs — and this example doesn't even include strata fees, which for an apartment could add several thousand dollars more and pull the net yield lower again.

This is why two properties with identical gross yields can be very different investments. A freestanding house with low rates and a reliable tenant keeps more of its gross yield than a high-strata apartment with frequent vacancies. Always do this second calculation before comparing anything.

Don't Forget the Loan: Yield vs Cash Flow

Here is a detail that surprises many first-time investors: net yield does not include your mortgage. Yield measures the property's own performance, independent of how you financed it. Your personal cash flow — what actually lands in or leaves your bank account — depends on the loan as well.

Continuing the example: suppose the property was bought with a 400,000 interest-only loan at an illustrative rate of 6%. Interest alone costs 24,000 a year. The property's net rental income was 16,880, so the investor is out of pocket:

The property can have a perfectly respectable net yield and still cost its owner money every single week. That is not automatically a bad outcome — some investors accept negative cash flow deliberately, betting on capital growth — but it must be a decision, not a surprise. Before buying, work out the full weekly cash position at today's rates, and then again at a rate one or two percentage points higher.

Negative Gearing and Tax, Briefly

When a property's total costs, including loan interest, exceed its rental income, the property is described as negatively geared. Under current Australian rules, a rental loss can generally be deducted against your other taxable income, which softens the out-of-pocket cost. Rental income itself is generally taxable, and many ownership expenses are generally deductible.

The details matter enormously here — what counts as deductible, how depreciation works, and how the eventual sale is taxed all have specific rules that change over time. Treat any tax benefit as a partial offset, never as the reason to buy, and check current ATO guidance or talk to a registered tax agent before relying on numbers. When the property is eventually sold, capital gains tax enters the picture too — our capital gains guide covers how that works.

Yield Is Only Half the Story

Property investors earn returns in two distinct ways, and yield captures only one of them:

• Rental yield — the ongoing income while you hold the property.
• Capital growth — the increase in the property's value over time.

These two often pull in different directions. Properties in high-demand areas may have strong capital growth but lower yields, because their prices are high relative to rents. Other areas may offer higher yields but slower growth. There is no universally "best" mix — it depends on the investor's goals, time horizon, and need for income versus long-term gain.

Common Mistakes to Avoid

• Judging on gross yield alone. The gap between gross and net is where the real answer lives. Always run the net calculation with honest cost estimates.
• Ignoring purchase costs. Stamp duty (which varies significantly by state), conveyancing, and inspections mean you invest more than the sticker price. A yield calculated on the price alone slightly overstates the return on the money you actually put in.
• Assuming zero vacancy. Even good properties sit empty between tenants. Budgeting for at least a couple of weeks a year keeps the numbers honest.
• Underestimating maintenance. Hot water systems fail, roofs leak, and appliances age. A property that needed nothing this year may need thousands next year — an annual allowance smooths this out.
• Stress-testing nothing. A loan that is comfortable at today's rate can become painful after a couple of rate rises. Run the cash flow at a higher rate before you commit, not after.
• Counting on capital growth to rescue poor cash flow. Growth is never guaranteed, and a property that bleeds cash every week is hard to hold long enough to see it.

Questions to Ask Before Buying

• What is the realistic net yield, after every ownership cost — not the gross figure?
• Could I cover the costs during a vacancy or a rate rise?
• Am I seeking income, growth, or both? This shapes what kind of property suits you.
• Is too much of my wealth in one asset? Concentration is a genuine risk.

Frequently Asked Questions

An investment property can be worthwhile, but only if you judge it with clear eyes. Use gross yield for a quick screen, net yield for the truth, and remember that capital growth is the other half of the return — and your loan the other half of the cash flow. Count every cost, weigh the risks honestly, and the decision becomes an informed one rather than a hopeful one.