Should I put extra savings into my super or my mortgage?

ARTICLE

8 July 2026

5 min read

It’s one of the most common questions people ask when they’ve got extra money – and the honest answer is: it depends.

There’s no one-size-fits-all approach. The right decision comes down to your situation, your goals, and what you need now and in the future. In many cases, it’s not about choosing one over the other, but finding the right balance.

How to think about the decision

At a practical level, there are a few key things to consider:

Your cashflow and income stability
Your age and how far you are from retirement
Whether you have access to other savings if your situation changes

If cashflow is tight or you might need access to your money in the short term, that points towards focusing on your mortgage or building funds in an offset account.

If you’ve got more flexibility and can afford to lock money away, super can become a more powerful option, particularly because of the way it’s taxed.

When putting extra into super makes sense

Contributing to super can be a very effective way to build long-term wealth.

The key advantage is tax. Concessional (pre-tax) contributions are typically taxed at a lower rate than your personal income, which means more money stays invested and working for you.

This can be especially valuable if you’re on a higher income, or as you get closer to accessing your super, where the combination of tax savings and a shorter timeframe can make contributions more impactful.

When paying down your mortgage may be the better choice

There are also situations where focusing on your mortgage makes more sense.

Earlier on, when cashflow is tighter and financial commitments are higher, reducing debt – or building up an offset – can give you more flexibility. Unlike super, those funds are still accessible if you need them.

There’s also the certainty factor. Paying down your mortgage effectively gives you a guaranteed return equal to your interest rate.

For many people, reducing debt also brings peace of mind, and that can be just as important as the financial outcome.

What you’re really choosing between

While it’s often framed as a numbers question, the real trade-off is more practical:

Flexibility now (mortgage or offset)
Long-term wealth (super)

Getting the balance right helps ensure you’re making progress on both – without putting too much pressure on your current situation or future plans.

A common misconception about super

One of the biggest misunderstandings is thinking of super as just another investment to compare directly against your mortgage.

In reality, super is a tax structure designed to help you save for retirement. The benefit comes not just from investment returns, but from how contributions and earnings are taxed within that structure.

That’s why simply comparing interest rates to expected returns doesn’t give you the full picture.

It’s not just about the numbers

It’s also important to recognise the emotional side of the decision.

For some people, being debt-free is a priority – and that peace of mind has real value. The key is making sure that your approach is supported by a plan, rather than driven purely by emotion.

With the right strategy, it’s often possible to make progress on your mortgage while still building your super over time.

How the decision can change over time

Your approach will often shift depending on your life stage.

In your 30s, it’s usually about balancing competing priorities – mortgage repayments, lifestyle costs, and gradually building super
By your 50s, you’re closer to accessing super, so the tax benefits and timing can become more meaningful

What makes sense today may not be the right approach in the future.

A simple way to sense-check your decision

If you’re unsure where to start, ask yourself:

Do I need access to this money in the short term, or am I comfortable locking it away for long-term benefits?

If flexibility is important, your mortgage or offset may be the better option. But if your focus is long-term growth and tax efficiency, super may be worth prioritising.

Bringing it together with a plan

In practice, the best outcomes usually come from having a plan that balances both.

A younger couple, for example, may choose to make small, regular super contributions to reduce tax while still focusing on their mortgage. Someone closer to retirement might use super more strategically to reduce tax and plan how they’ll clear their remaining debt.

Putting a plan in place can make a big difference. Through AIA Financial Wellbeing, you can access guidance to help you understand your options and map out a strategy that aligns with your goals – so you’re balancing your immediate needs with your longer-term plans.

So, should you choose your mortgage or your super?

At the end of the day, there isn’t a single “right” answer to this question.

The better approach is understanding what each option offers – and how it fits with your situation, priorities and goals.

In many cases, it’s not about choosing one over the other, but finding the right balance so you can manage today while setting yourself up for tomorrow.

Matthew McGilvray

Matthew McGilvray is a Senior Financial Planner at AIA Financial Wellbeing with over 15 years’ experience. He believes financial advice should make life changing impacts that bring on financial wellbeing. He is passionate about long-term strategy, protection planning, and helping families build secure futures.

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Copyright © 2026 AIA Financial Services Pty Limited (ABN 68 008 540 252, AFSL 231109), trading as AIA Financial Wellbeing. All rights reserved. This information is current at the date of this publication and is subject to change. This provides general information only, without taking into account factors like the objectives, financial situation, needs or personal circumstances of any individual and is not intended to be financial, legal, tax, health, medical, nutritional or other advice. Before acting on the information in this publication, individuals should consider its appropriateness having regard to such factors.