Australians face more interest rate pain

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Recent estimates by CBA put the value of fixed-rate mortgages that expired in the six months to 30 June 2023 at $34 billion, with another $52 billion worth of fixed-rate mortgages expected to expire over the six months to 31 December.

Fixed rate loan expiry

As a result, Australian borrowers had only experienced around two-thirds of the 4.0% of official cash rate (OCR) hikes.

However, that number is predicted by the CBA to rise to around 85% by the end of the year as more borrowers convert their fixed-rate mortgages to variable.

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By mid-2024, once the bulk of fixed-rate mortgages have rolled-off, CBA estimates that Australian households will spend around 10% of their disposable income on debt servicing costs, which will be easily the highest amount on record:

Housing debt servicing ratios

On Monday, Macquarie Group senior economist, Justin Fabo, Tweeted that the “RBA cash rate has risen 400bps, but (as at July) the weighted-average rate on outstanding variable-rate owner-occupier home loans in Australia had risen ‘just’ 337bps”.

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“For all outstanding home loans, the rise was 278bps”, according to Fabo:

Cumulative interest rate impact

Source: Justin Fabo (Macquarie Group)

Therefore, average interest rates paid by Australian mortgage holders will continue to rise as fixed-rate mortgages expire.

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Because of this ‘built in’ tightening, I believe the RBA most likely will not raise rates again this cycle.

About the author
Leith van Onselen is Chief Economist at the MB Fund and MB Super. He is also a co-founder of MacroBusiness. Leith has previously worked at the Australian Treasury, Victorian Treasury and Goldman Sachs.