The RBA held the cash rate at 4.35% for the fifth consecutive meeting — but the pause hasn’t stopped Sydney and Melbourne from sliding. Meanwhile, three RBA hikes earlier in 2026 have sharply reduced investor borrowing power — even as lenders ease their serviceability buffers by 20–30% to soften the blow. This fortnight we break down what it all means for owners, investors and anyone watching the market.
Investor Borrowing Power Tumbles — What Are Lenders Doing About It?
A quiet but significant structural shift in how lenders assess investor loans is now in play — and its effects on the market could be substantial.
Rate Hikes Have Squeezed Investor Borrowing Power
Three RBA hikes in early 2026 pushed investor mortgage rates sharply higher, significantly reducing how much investors can qualify to borrow. In response, multiple lenders have cut their floor assessment rates and serviceability buffer assumptions by 20–30%. For a $700k investment loan, the buffer reduction can restore up to $180,000–$250,000 of lost capacity — but for most investors, borrowing power remains well below its pre-hike levels.
In the near term, lender serviceability buffer cuts have partially offset the rate-driven hit to investor borrowing power — some investors priced out by the combination of higher rates and tighter buffer assumptions can now re-enter the market, and existing investors have regained some headroom. That increases demand at a time when rental supply is already tight, which puts short-term upward pressure on prices, particularly in the unit segment and high-yield interstate markets like Perth and Brisbane.
But this demand boost comes with an important caveat. Lower assessment rates make it easier to qualify — but they don’t lower your repayments. Borrow more, and the actual cost of servicing that debt is higher. More leverage in the market is harder servicing, not easier.
When serviceability drops across the board, investors take on more debt relative to income. That works while rates are stable — but if the RBA resumes hiking, or rental income softens, investors carrying heavier debt face real cash flow pressure. Over-leveraged investors forced to sell simultaneously can drive rapid, significant price falls. We have seen this cycle play out before, and the conditions for a repeat are quietly building.
Our view: Lower serviceability is a short-term demand tailwind — but it builds fragility into the market. Long-term, if conditions shift, it becomes a significant headwind for prices. Investors need to stress-test at higher rates, not just today’s.
What to do now: Model your repayments at 7%+ before committing. A good broker runs multiple scenarios — not just the one that makes you qualify.
🎯 The Big Picture
Serviceability changes are one of the least-reported but highest-impact levers in the property market. In the short term, lender buffer cuts are bringing some sidelined investors back into the market — and that partial demand recovery will offer some support to prices. But history tells us that credit-fuelled demand cycles tend to end badly. When serviceability standards loosen broadly, the market takes on more leverage than it can comfortably hold. If something disrupts the equilibrium — a rate hike, a slowdown in rents, a broader economic shock — the unwind can be sharp. Long-term, I think this shift carries more downside risk for prices than most commentary acknowledges. Whether you’re buying, holding or watching, now is the time to make sure your position can handle a stress scenario — not just the current one.
Property Market Spotlight
Top performing markets for capital growth — sourced from Cotality (CoreLogic) data, May 2026.
Perth, WA
Australia’s standout market — affordability, growth and tight supply. Meanwhile Sydney has now recorded five consecutive months of decline (−0.9% in May) and Melbourne is following close behind. The national figure looks flat — but that average masks a story where your postcode matters more than ever.
Market Insights
Key news and developments for Australian property owners and investors this fortnight.
Fifth Consecutive Hold: Cash Rate Stays at 4.35%
The RBA held the cash rate at 4.35% for the fifth meeting running, with the board noting that while inflation is easing, it remains above the 2–3% target band. Three hikes earlier in 2026 (February, March, and May) are still working through the economy. The unanimous hold is a signal that policymakers want to see more data before moving again — which means rates are likely to stay put through Q3 2026. For borrowers, this period of stability is a genuine opportunity: competition between lenders is intensifying, and brokers are seeing the sharpest pricing in two years for well-qualified clients.
Sydney & Melbourne Slide — What It Means for You
Sydney fell 0.9% and Melbourne 0.8% in May — the fifth straight month of declines in both cities. The drivers are familiar: affordability stretched thin, listings picking up, and buyer confidence dented by the earlier 2026 rate hikes still biting. But context matters. For existing owners, a modest price correction after years of strong growth is far less significant than the holding cost of your mortgage — which is why refinancing to the sharpest available rate is the highest-leverage move right now. For prospective buyers, softening prices combined with the current lender competition creates the most accessible entry window in three years.
This article was originally sent to Assembly Finance clients as an email market update and is republished here for reference. Rates, figures and policy settings were current at the date of publication and may have changed. General information only — not financial advice. Assembly Finance is a Credit Representative of Finsure Finance & Insurance Pty Ltd (Australian Credit Licence 384704).
