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Amp Insights

Mortgage versus super - a common dilemma

Updated: Oct 1

Conventional wisdom used to dictate Australians were better paying off their

home loans, and then, once debt-free turning their attention to building up their

super. But with interest rates ramping up over the past two years, and

uncertainty as to when they are likely to reduce, what’s the right strategy in the

current market?


It’s one of the most common questions financial advisers get. Are clients better off

putting extra money into superannuation or the mortgage? Which strategy will leave

them better off over time? In the super versus mortgage debate, no two people will

get the same answer – but there are some rules of thumb you can follow to work out

what’s right for you.


One thing to consider is the interest rate on your home loan, in comparison to the rate

of return on your super fund. As banks ramped up interest rates following the RBA

hikes over the past two years, you may find that the gap between home loan interest

rates and the returns you get in your super fund has potentially shrunk in comparison.


Super is also built on compounding interest. A dollar invested in super today may

significantly grow over time. Keep in mind that the return you receive from your super

fund in the current market may be different to returns you receive in the future.

Markets go up and down and without a crystal ball, it’s impossible to accurately

predict how much money you’ll make on your investment.


Each dollar going into the mortgage is from ‘after-tax’ dollars, whereas contributions

into super can be made in ‘pre-tax’ dollars. For the majority of Australians, saving into

super will reduce their overall tax bill – remembering that pre-tax contributions are

capped at $30,000 from 1 July 2024 and taxed at 15% by the government (30% if you

earn over $250,000) when they enter the fund.


So, with all that in mind, how does it stack up against paying off your home loan?

There are a couple of things you need to weigh up.


Consider the size of your loan and how long you have left to pay it off

A dollar saved into your mortgage right at the beginning of a 30-year loan will have a

much greater impact than a dollar saved right at the end.


The interest on a home loan is calculated daily

The more you pay off early, the less interest you pay over time. In a higher interest

rate environment many homeowners, particularly those who bought a home some

time ago on a variable rate, will now be paying much more each month for their home

loan.


Offset or redraw facility

If you have an offset or redraw facility attached to your mortgage you can also access

extra savings at call if you need them. This is different to super where you can’t touch

your earnings until preservation age or certain conditions of release are met.


Don’t discount the ‘emotional’ aspect here as well. Many individuals may prefer

paying off their home sooner rather than later and welcome the peace of mind that

comes with clearing this debt. Only then will they feel comfortable in adding to their

super.


Before making a decision, it’s also important to weigh up your stage in life, particularly

your age and your appetite for risk.


Whatever strategy you choose you’ll need to regularly review your options if you’re

making regular voluntary super contributions or extra mortgage repayments. As bank

interest rates move and markets fluctuate, the strategy you choose today may be

different from the one that is right for you in the future.


Case study where investing in super may be the best strategy

Barry is 55, single and earns $90,000 pa. He currently has a mortgage of $200,000,

which he wants to pay off before he retires in 10 years’ time at age 65.


His current mortgage is as follows:



Barry has spare net income and is considering whether to:


  • make additional / extra repayments to his home mortgage (in post-tax dollars) to

repay his mortgage in 10 years, or


  • invest the pre-tax equivalent into superannuation as salary sacrifice and use the

super proceeds at retirement to pay off the mortgage.


Assuming the loan interest rate remains the same for the 10-year period, Barry will

need to pay an extra $775 per month post tax to clear the mortgage at age 65.


Alternatively, Barry can invest the pre-tax equivalent of $775 per month as a salary

sacrifice contribution into super. As he earns $90,000 pa, his marginal tax rate is 32%

(including the 2% Medicare levy), so the pre-tax equivalent is $1,148 per month. This

equals to $13,776 pa, and after allowing for the 15% contributions tax, he’ll have 85%

of the contribution or $11,710 working for his super in a tax concessional environment.


To work out how much he’ll have in super in 10 years, we’re using the following super

assumptions:


  • The salary sacrifice contributions, when added to his employer SG contributions,

remain within the $30,000 pa concessional cap.


  • His super is invested in 70% growth/30% defensive assets, returning a gross

return of 3.30% pa income (50% franked) and 2.81% pa growth.


  • A representative fee of 0.50% pa of assets has been used.


If these assumptions remain the same over the 10-year period, Barry will have an

extra $161,216 in super. His outstanding mortgage at that time is $132,662, and after

he repays this balance from his super (tax free as he is over 60), he will be $28,554 in

front. Of course, the outcome may be different if there are changes in interest rates

and super returns in that period.


Case study where paying off the mortgage may be the best strategy

40 year old Duy and 37 year old Emma are a young professional couple who have

recently purchased their first apartment


They’re both on a marginal tax rate of 39% (including the 2% Medicare levy), and

they have the capacity to direct an extra $1,000 per month into their mortgage, or

alternatively, use the pre-tax equivalent to make salary sacrifice contributions to

super.


Given their marginal tax rates, it would make sense mathematically to build up their

super.


However, they’re planning to have their first child within the next five years, and Emma

will only return to work part-time. They will need savings to cover this period, as well

as assist with private school fees.


Given their need to access some savings for this event, it would be preferable to

direct the extra savings towards their mortgage, and redraw it as required, rather than

place it into super where access is restricted to at least age 60.


Get in touch

We can help you decide between mortgage repayments and super contributions

based on your individual circumstances, life stages, and risk tolerance. Contact us to

find the best option for you.


Current as at July 2024

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