RBA Raises Cash Rate to 4.35% — Third Consecutive Hike Squeezes Mortgage Holders

Why the RBA Raised Rates Again

Governor Michele Bullock and the Monetary Policy Board made clear that their mandate — keeping inflation averaging 2–3% while maintaining high employment — left them no choice. Annual CPI inflation came in at 4.6% for the March 2026 quarter, the highest reading since late 2024 and still accelerating in services and energy.

Three distinct forces are driving the inflation overshoot. First, domestic services inflation — rents, insurance, childcare — remains sticky despite slowing consumer spending. Second, the Middle East conflict has pushed global energy prices higher, feeding directly into Australian petrol costs and electricity bills. Third, tight labour market conditions continue to support wage growth above the levels compatible with the inflation target.

The Board noted that three rate cuts in 2025 — which took the cash rate to a low of 3.60% — were premature in hindsight. The re-tightening cycle that began in February 2026 is effectively corrective action to undo that easing and restore genuinely restrictive monetary settings.

Inflation: Still Running Hot at 4.6%

The March 2026 quarter CPI print of 4.6% annually was the number that sealed the May hike. The RBA has been explicit: it will not declare victory on inflation until headline CPI is sustainably back inside the 2–3% target band — not just trending toward it.

Trimmed mean inflation — the RBA's preferred underlying measure, which strips out volatile items — remains even more stubborn. Services inflation, which makes up about 60% of the CPI basket, has barely moved despite 12 months of monetary tightening, reflecting the delayed transmission of rate hikes through rental contracts, insurance renewals, and multi-year service agreements.

What This Means for Your Mortgage Repayments

For the roughly 3.2 million Australian households with a variable rate mortgage, the May hike is the third blow in as many months. Lenders have passed on every increase in full. On a principal-and-interest loan, a 0.25% rate increase adds approximately $104 per month to a $500,000 mortgage — but across the full three-hike cycle from February 2026, the cumulative impact is $313 per month on the same loan.

Borrowers who fixed their rate during the 2025 rate-cut window at 3–4% are temporarily sheltered, but fixed terms typically expire within two to three years. When those loans revert to the variable rate, they will face a sharp jump from their current fixed payment.

How the Big 4 Banks Responded

All four major banks announced within hours of the RBA decision that they would pass the full 25 basis point increase on to variable rate mortgage customers, with most changes effective from 9 May 2026. Standard variable rates now sit between 8.92% and 9.07% — levels not seen since 2011.

CBA's Head of Australian Economics, Belinda Allen, said the three consecutive increases have now positioned monetary policy as "slightly more restrictive" — but warned the board retains a tightening bias. Allen stated: "A further rate hike cannot be ruled out, depending on the data." The key watchpoints are the June quarter CPI (due July), labour market data, and the impact of federal and state budgets on household spending capacity.

CBA's base case is that rates hold at 4.35% through the remainder of 2026, with the first potential cut not emerging until 2027 — and only then if inflation is convincingly moving back toward the target and spare capacity opens up in the labour market.

Economic Outlook: What Happens Next

The RBA's next scheduled decision is 16 June 2026, with minutes from the May meeting due 19 May. Board members will be watching five data sets closely before June: April labour force data, retail trade, building approvals, the federal budget response from households, and any new energy price data from the Middle East conflict.

CBA economists expect below-trend growth through 2026 as the cumulative weight of three hikes — on top of the prior tightening cycle — dampens household consumption. Early signs of pullback are visible in discretionary retail categories, particularly furniture, electronics, and dining out. The housing market, by contrast, has shown surprising resilience: strong underlying demand from migration is absorbing higher repayment costs in many capital city markets.

The broader risk remains tilted upward for rates rather than downward. If inflation fails to turn lower convincingly by the September quarter, the board would likely hike once more to 4.60%. Markets are currently pricing approximately a 35% chance of a fourth hike at the August meeting.

What Australian Homeowners Should Do Right Now

With rates at their highest since 2011 and at least another possible hike ahead, there are practical steps every mortgage holder should consider this week.

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