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Big Four Sound Economic Alarm Ahead of RBA Call

With ANZ, CBA, NAB and Westpac all forecasting a rate rise to 4.35%, gloomy bank economic outlooks have Australia's borrowers on edge.

Ratesniffers Editorial Team·4 May 2026

Australia's four major banks have reached a unified verdict: the Reserve Bank of Australia will lift the official cash rate by 25 basis points to 4.35% at this week's board meeting. That would mark the third consecutive hike in 2026, following increases in February and March that pushed the cash rate to its current 4.10%.

MPA Australia reports that a slightly better-than-anticipated March inflation read did nothing to change market expectations. The central bank is expected to move, and lenders are expected to pass on higher funding costs through increased variable mortgage rates.

The cumulative repayment impact adds up quickly. MPA Australia reports that a third consecutive rise would add a cumulative $300 per month to repayments on a $600,000 mortgage compared to the start of the year. Use the [repayment calculator](/calculators/repayment) to model exactly how your monthly costs are changing — and what further moves could mean.

What the banks are saying about the economy

Behind the consensus rate call, Australia's major banks are offering some unusually candid assessments of where the economy is headed.

According to MPA Australia, NAB included a downside scenario in its first-half trading update warning the Australian economy could slip into recession this year and remain there through 2027, with recovery only in 2028. In that worst-case, unemployment spikes above 10% and house prices could collapse by nearly 26% in 2026, followed by a further 15% decline in 2027. NAB moved to reinforce its balance sheet against this risk, increasing its bad-debt buffer by $300 million last month.

NAB's base case is less alarming — unemployment peaking at 4.6%, GDP continuing to grow in low single digits, and house price growth at 4%.

Commonwealth Bank recently downgraded its economic outlook, anticipating unemployment to peak at 4.6% in 2027 (from 4.3% currently), GDP growth slowing to 1.7%, and — most concerningly — inflation potentially climbing as high as 5.4% before the cycle ends.

Westpac expects GDP growth to slow to just 1% this year, with unemployment nearing 5%, and has warned that Victoria and New South Wales households face "one of the largest and most prolonged contractions on record, extending back to the early 1990s."

MPA Australia also notes that economists including former treasury secretary Martin Parkinson see a genuine risk Australia could enter a stagflationary phase — rising living costs combined with a slowing economy and rising unemployment.

What tighter rates mean for your mortgage

Beyond the headline repayment increase, continued rate rises affect every stage of the borrowing journey.

For new borrowers, each hike tightens serviceability assessments. Lenders assess applications using a buffer above the actual rate, and as the cash rate rises, so does the assessment rate. That directly reduces the maximum loan size a buyer qualifies for. Borrowers who were comfortably pre-approved three months ago may find their position has changed significantly.

For existing borrowers rolling off fixed rates, MPA Australia warns of a "double squeeze": higher monthly repayments and tighter refinancing tests if they want to switch lenders. Some borrowers may find they cannot meet new serviceability requirements despite a clean repayment history, effectively trapping them with their current bank on less competitive terms.

For investors, higher interest costs erode net rental yield and may force portfolio restructuring — especially in markets like Victoria and New South Wales where price declines are already underway.

If you are approaching the end of a fixed term or simply haven't reviewed your rate recently, now is the time to act. Check [today's cheapest home loans](/home-loans/cheapest) to see where your rate sits relative to the market, or use the [refinance savings calculator](/calculators/refinance-savings) to put a dollar value on switching. For investors reviewing their portfolio structure, the [investor home loans hub](/home-loans/investor) covers lending options suited to investment purposes.

What to do before the announcement

The RBA board is meeting this week, and lenders typically pass on variable rate changes within days of the decision. That leaves a short window to act before the next round of increases flows through.

If you are on a variable rate, knowing what you are actually paying — not what you remember from when you signed — is the first step. The gap between a back-book rate and the sharpest offers on the [refinance home loans hub](/home-loans/refinance) can easily translate to hundreds of dollars a month.

Australia's economic outlook carries genuine uncertainty. But your mortgage rate is one cost you can act on, and the borrowers who do act typically pay less than those who wait.

[Source: MPA Australia](https://www.mpamag.com/au/news/general/cynicism-reigns-as-rba-prepares-to-deliver-another-rate-hike/573871)

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