New figures have revealed younger home owners are rapidly embracing offset accounts to blunt rising interest costs.
National Australia Bank (NAB) has said nearly three-quarters of its home loan customers are linking an offset account to their mortgage, with usage surging among borrowers under 35 as rate pressures reshape how Australians manage their loans.
While customers aged 40–60 still account for the largest share of offsets overall, NAB’s new data pointed to a sharp shift in habits among younger borrowers.
The bank reported that among customers under 35, the number of offset accounts attached to new home loans almost doubled compared with a year ago, reaching 98 per cent of new lending.
Offset take-up is strongest in the eastern states, where mortgage sizes and rate sensitivity tend to be higher.
NAB said 77 per cent of its home loan customers in both NSW and Queensland had an offset attached, with Victoria not far behind at 68 per cent.
The bank also put a price tag on the potential benefit.
On a $500,000 loan at 5.42 per cent over 30 years, NAB estimated that consistently keeping funds in an offset account could cut around $74,000 from the total interest bill over the life of the loan.
‘People are tired of being told to cut back’
NAB home lending executive Denton Pugh said the trend reflected a broader shift towards building resilience and predictability into household finances as interest rates crept up.
“Home owners are increasingly focused on resilience, long-term stability and control,” Pugh said.
“When rates move around, it’s completely normal to feel unsure about what it means for your mortgage.”
He said customers were looking for ways to manage higher repayments that didn’t rely solely on tightening belts.
“We get it; people are tired of being told to cut back. That’s why tools like offset accounts matter; they help without needing big lifestyle changes,” he said.
Pugh framed offsets as a way for everyday savings and transaction balances to work harder against the mortgage, rather than sitting idle in separate accounts.
“Every dollar in your offset account is working for you, cutting interest and helping you pay down your home loan faster,” he said.
Bucketing, buffers, and multiple offsets
Alongside the growth in overall offset use, NAB said customers were increasingly segmenting their cash into different “buckets”, while still keeping it linked to their home loan.
Pugh said this was driving demand for multiple offset accounts, which allowed borrowers to organise their money for different purposes without sacrificing interest savings.
“For those who like bucketed their finances, multiple offset accounts can keep their money organised while maximising their savings,” he said.
The data also showed that offsets were being used as both a cost-saving tool and a buffer.
The bank said that around half of customers with an offset had up to $20,000 set aside, with many reporting that this not only trimmed their interest costs but also helped them feel more prepared for unexpected expenses or income shocks.
[Related: Borrowers pivot to savings as rate pressures rebuild]
