Australian renters have been hit with another uncomfortable set of numbers.
Combined capital city house rents increased by $20 a week over the June 2026 quarter, according to Domain. Unit rents rose by a smaller $5 a week, while rental growth across the capitals accelerated to its strongest pace in almost two years.
At the same time, the housing market has started moving in the opposite direction.
PropTrack reported that national home prices fell by 0.3 per cent in June, with declines recorded across nearly every capital city. Prices were still 5.8 per cent higher than a year earlier, but higher interest rates, weaker borrowing power and uncertainty following the Federal Budget were clearly affecting buyer confidence.
That creates an unusual situation.
Renters are paying more.
Some property owners are accepting less.
First home buyers are being told that weaker prices should help them.
Investors are being told the tax rules have changed against them.
The simple explanation is that the Government’s negative gearing reforms caused rents to rise.
The simple explanation is also incomplete.
Here’s what matters: tax policy may be adding pressure, but Australia’s rental problems were already building through low vacancy, slow construction, higher interest rates and strong demand for housing.
The question is not whether negative gearing affects investor behaviour. It does.
The real question is how much of the current rent rise can reasonably be blamed on one policy change.
What changed with negative gearing?
The 2026 Federal Budget changed the tax treatment of residential property investment.
From 1 July 2027, negative gearing will generally be restricted to new builds. Investors purchasing established properties after Budget night will no longer be able to deduct rental losses against salary and other non-property income. Instead, those losses can be applied against residential property income or carried forward.
Properties held before 7:30 pm AEST on 12 May 2026 are protected under the previous arrangements.
Negative gearing means an investment property costs more to hold than it earns in rent after deductible expenses. Under the current rules, many investors can apply that loss against other taxable income.
For a high-income investor, that tax treatment can soften the short-term cost of owning a low-yielding property.
The new policy is designed to direct more investor capital towards new housing construction rather than established homes. The Government argues this should increase supply and reduce competition between investors and owner-occupiers.
For a detailed breakdown of the rules, read Australia’s Budget Just Changed the Investor Playbook. Most Buyers Are Watching the Wrong Risk.
The argument that tax changes are pushing rents higher
The argument is straightforward.
If established investment properties become less attractive, some investors may stop buying them. Others may sell. If those properties are purchased by owner-occupiers, they leave the rental market.
The total number of dwellings has not changed, but the number available to tenants may fall.
When rental supply falls while tenant demand remains high, landlords gain more pricing power. Rents rise.
That mechanism is real.
Research from AHURI has found that negative gearing can influence how long landlords retain rental properties. Increasing the after-tax cost of holding a property may shorten the period some landlords remain in the market.
The Budget may also affect the market before the new rules commence in July 2027.
Property decisions are forward-looking. Investors do not need to wait for a law to take effect before changing their plans. If they expect lower after-tax returns, weaker resale demand or less favourable lending treatment, they may pause now.
But here’s the catch.
A plausible mechanism does not prove that the Budget caused the full $20 increase in rents.
The $20 rent rise did not begin with the Budget
Australia entered the 2026 Budget with an rental shortage already in place.
Cotality reported a national rental vacancy rate of about 1.6 per cent in March 2026, below the decade average of 2.5 per cent. Every capital city remained below 2 per cent, with Adelaide around 0.9 per cent and Perth around 1.1 per cent.
Vacancy measures how much rental stock is available.
When vacancy is low, tenants compete for fewer properties. That allows rents to rise, even without a tax change.
The same applies to the supply pipeline.
New housing takes years to plan, approve, finance and construct. Higher labour costs, material costs, development charges and borrowing costs can slow projects or make them financially unworkable.
A Budget announcement in May cannot immediately build or remove enough dwellings to explain every rent change recorded by June.
Investor sentiment may have contributed.
It was not acting alone.
Three interest rate rises changed the rental equation
The Reserve Bank increased the cash rate three times during the first half of 2026.
The cash rate rose to 3.85 per cent in February, 4.10 per cent in March and 4.35 per cent in May. It remained at 4.35 per cent following the June meeting.
For a landlord with a large variable-rate mortgage, the effect can be substantial.
Consider an investor with a $600,000 loan.
A 0.75 percentage point increase in the interest rate represents roughly $4,500 in additional annual interest before considering loan structure, fees or principal repayments.
That does not mean the landlord can automatically add $86 a week to the rent. Rents are set by tenant demand and competing supply, not by the owner’s mortgage statement.
But higher rates can still affect rents indirectly.
Some investors sell because holding costs become uncomfortable. Others require a stronger rental yield before they will buy. Developers face higher finance costs. New supply becomes harder to deliver.
This is why The 2026 Property Playbook Most Investors Will Miss While Watching Interest Rates treats rates, rents, supply and serviceability as connected pressures rather than separate headlines.
Signal vs noise: what is actually driving Australian rents?
The noise is the political argument.
One side says negative gearing reform will help first home buyers and redirect investment into new supply.
The other says the reforms will drive investors out and push rents sharply higher.
Both sides are describing possible effects.
Neither explanation is enough on its own.
The rental market is being shaped by several forces at the same time.
Rental vacancy remains tight
Low vacancy is the most immediate rent signal.
A landlord can only achieve a higher rent when tenants are willing and able to pay it. That becomes more likely when applicants have few alternatives.
National figures are useful, but local vacancy matters more.
A suburb with many approved apartment projects may behave differently from a neighbouring suburb with limited development land and tightly held houses.
You do not rent or invest in “Australia”. You deal with one local market.
Housing supply is responding slowly
Australia needs more dwellings, but construction is not keeping pace evenly across locations or property types.
A national housing shortage does not mean every property has strong scarcity.
A suburb can have a shortage of family homes and an oversupply of one-bedroom apartments at the same time.
Investors need to examine the local supply pipeline, not rely on a national dwelling target.
Higher rates are weakening holding power
Interest rates affect investors, developers and owner-occupiers.
For investors, the issue is not simply whether a property will grow over 20 years. It is whether the property can be held through the next two or three years without creating financial stress.
Properties with low yields, high strata costs, large mortgages and thin cashflow buffers are more exposed.
Household formation keeps demand elevated
Migration receives most of the attention, but rental demand is also affected by household size.
When people move out of shared housing, separate after a relationship, study away from home or choose to live alone, the number of households can increase faster than the population itself.
More households require more dwellings.
Renters are reaching affordability limits
Rents cannot rise without limit.
Eventually, tenants respond by moving to smaller properties, sharing with others, returning to family, relocating or reducing spending elsewhere.
This is why a forecast of 20 per cent rent growth across “most areas” should be treated as a scenario, not a base case.
Some markets could experience increases near that level.
Others will be constrained by wages, local supply, property type and tenant affordability.
Probabilities, not certainties.
What happened when negative gearing changed in the 1980s?
The 1985 to 1987 negative gearing experiment is often used as proof that changing the policy causes rents to surge.
The history is less clean than the headline.
The Hawke Government quarantined rental losses in 1985, preventing investors from immediately applying them against other income. The policy was reversed two years later.
Rents increased notably in Perth and somewhat in Sydney. However, inflation-adjusted rents remained relatively stable in Melbourne and fell in Brisbane and Adelaide. Other conditions, including local vacancy, interest rates and market-specific demand, also affected the result.
So the lesson from the 1980s is not that tax changes have no impact.
The lesson is that their impact depends on the condition of each rental market when the change occurs.
That distinction matters in 2026.
Australia’s current vacancy rates are already low. Construction is constrained. Borrowing costs are high. That gives any reduction in rental investment the potential to cause more pain in locations where supply is already thin.
But it still does not support a confident national prediction that rents must rise by 20 or 30 per cent.
The first home buyer paradox
The Government’s policy is intended partly to reduce investor competition for established properties.
That could help first home buyers.
If fewer investors bid at auctions, some owner-occupiers may purchase properties at lower prices than they otherwise would have.
The market is already showing some price sensitivity. PropTrack recorded a national decline in June, with Sydney, Melbourne and several previously stronger markets losing momentum.
But lower property prices solve only one part of the first home buyer problem.
A buyer still needs a deposit.
They still need to pass a lender’s serviceability test.
They still need enough income to cover repayments at a 4.35 per cent cash rate environment.
They still need to pay rent while saving.
This is the second-order effect.
A $20 weekly rent increase costs a household another $1,040 a year. A $50 increase costs $2,600.
That money may have come from the deposit account.
The policy can reduce competition at the point of purchase while making it harder for some renters to reach that point.
If you are trying to understand what your current income and deposit may support, start with the AbodeFinder Buying Chance Calculator rather than relying on broad claims that the market has become “better” for first home buyers.
Will Australian rents rise another 20 per cent?
It is possible in selected markets.
It is not a sensible national assumption.
A 20 per cent rise would require the current imbalance between rental supply and demand to become materially worse, or remain severe for an extended period.
That could happen where:
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vacancy is already below 1 per cent
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new construction is limited
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population and household growth remain strong
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local wages can support higher rents
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investor exits materially reduce available rental stock
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nearby affordable alternatives are also under pressure
But several factors could slow rental growth.
Tenant affordability may reach its limit. More people may share housing. Migration may ease. New apartments may enter the market. Investors may redirect capital into new builds. Weaker property prices may improve yields for new purchasers.
The base case is not that every rent rises by the same amount.
The base case is a divided market.
Scarce family homes in employment-rich areas may continue to record strong rental demand. Replicable apartments in large development corridors may face more competition. Affordable regional centres may attract displaced tenants, but only where employment and infrastructure can absorb population growth.
That is why investors need to analyse suburb-level data.
How Smart Buyers Spot Growth Suburbs Before the Headlines Catch Up explains how vacancy, stock, buyer demand and the supply pipeline can reveal more than a broad capital-city forecast.
Regional markets could feel the next wave of pressure
When capital city rents become unaffordable, households look outward.
Some move to outer suburbs. Others relocate to satellite cities or regional centres.
That can improve demand in regional rental markets, but it also creates risk.
A regional area may appear undersupplied because vacancy is low. But low vacancy alone does not guarantee a strong investment.
The local economy may rely on one employer.
Infrastructure may struggle with population growth.
Insurance costs may be high.
New land releases may create future supply.
Tenant incomes may be unable to support continued rent increases.
A good regional investment needs more than an affordability story.
It needs employment diversity, realistic tenant depth, manageable supply and a property type that local households genuinely need.
What investors should do now
This is not the time to buy a property solely because rents are rising.
Strong rental growth can improve cashflow. It can also attract investors into markets after prices have already adjusted.
The practical approach is to pressure-test the property using today’s numbers.
Calculate the holding cost using the current rent, not a hoped-for rent increase.
Allow for vacancy, maintenance, insurance, rates, management fees and unexpected repairs.
Check what happens if interest rates remain elevated.
Examine the local supply pipeline.
Compare the property with the stock tenants can rent nearby.
Most importantly, understand how the purchase affects your next move.
A property with a respectable yield can still damage serviceability if the debt is too large. A property with strong growth potential can still become a forced sale if the owner has no cashflow buffer.
Rule of thumb: if the investment only works after rents increase by 10 or 20 per cent, it does not work yet.
Risk check: what could break the rent-growth story?
The first risk is affordability.
Tenants cannot pay money they do not earn. Wage growth and household budgets eventually limit rent increases.
The second risk is new supply.
An area with tight vacancy today may have thousands of approved dwellings scheduled for completion.
The third risk is policy response.
Governments may expand public housing, support build-to-rent projects, adjust migration settings or introduce stronger rental regulation.
The fourth risk is investor behaviour.
If prices fall enough, rental yields become more attractive. Investors may return even under less favourable tax settings.
The fifth risk is assuming that national conditions apply to every suburb.
They do not.
This is why the current rental crisis should influence an investment decision without controlling it.
The bottom line
Negative gearing reform may place additional pressure on Australian rents.
It changes investor incentives. It may reduce demand for established investment properties. In some markets, it could reduce the number of homes available to tenants.
But the Federal Budget did not create Australia’s rental shortage in May 2026.
Vacancy was already low.
The housing supply pipeline was already constrained.
Interest rates had already increased.
Tenant demand was already competing with limited available stock.
The signal is not “negative gearing caused every rent increase”.
The signal is that Australia has changed a major investor incentive while the rental market has very little spare capacity.
That increases risk.
For renters, it means the pressure may continue.
For first home buyers, it means lower prices may not automatically make saving or borrowing easier.
For investors, it means rental growth should be treated as a local data point, not a national guarantee.
The practical next step is to identify markets where the supply, demand, yield and holding costs work together under conservative assumptions.
If you know you want to buy but are unsure which suburbs and property types fit your budget, risk level and strategy, get an AbodeFinder Suburb Shortlist & Buy Box. You will receive three to five suburb options, a clear buy box, key red flags and guidance on what to target and what to avoid.
General information only, not financial advice.
Rising rents do not automatically make a suburb a strong investment.
At AbodeFinder, we assess the factors that determine whether a property can perform beyond the headline, including local vacancy, the future supply pipeline, rental yield, tenant demand, entry price and your ability to hold the property through changing interest-rate conditions.
Our advisory service helps you move from broad market commentary to a clear buying strategy built around your budget, borrowing capacity and risk profile.
Book an AbodeFinder strategy call and we’ll pressure-test your plan before you commit to a property.
Frequently asked questions
Do negative gearing changes increase rents?
They can affect rents by changing investor demand and the number of properties available to tenants. The size of the impact depends on vacancy, supply, tenant demand, interest rates and local affordability.
When do the new negative gearing rules begin?
The main changes commence on 1 July 2027. Properties held before 7:30 pm AEST on 12 May 2026 are protected under the previous arrangements.
Are existing investment properties still negatively geared?
Existing owners covered by the grandfathering arrangements can continue under the previous rules. Different treatment applies to established properties purchased after Budget night.
Will house prices fall because of the reforms?
The reforms may reduce some investor demand for established properties, but prices are also affected by interest rates, income, credit availability, supply and owner-occupier demand. A uniform national fall should not be assumed.
Should investors buy new builds for the tax benefits?
A new build may retain more favourable negative gearing treatment, but tax should not be the main reason to buy. Entry price, build quality, local supply, vacancy, resale demand and holding costs still need to stack up.
