Key takeaways
- Consolidation rolls high-interest debts — cards, personal and car loans — into your lower-rate home loan.
- The monthly saving is immediate; the lifetime saving depends on keeping repayments up, not stretching debt over 30 years.
- The real trap is reloading the cleared cards — that turns one debt into two.
- Done with discipline, it can free up cash flow and cut total interest at the same time.
A credit card at 20%+, a personal loan, a car loan, maybe some buy-now-pay-later — separately they’re manageable, together they’re a cash-flow squeeze. Consolidation is the idea of sweeping them into your mortgage, where the rate is a fraction of a credit card’s. Done right, it’s a genuine reset. Done carelessly, it’s how a five-year debt becomes a thirty-year one.
How it works
You refinance your home loan for a slightly larger amount, and the extra pays out your other debts at settlement. From then on you have one repayment, at your home-loan rate, instead of several at much higher rates. Because home-loan rates sit well below card and personal-loan rates, your combined monthly repayment usually drops sharply — that’s the relief people feel first.
The saving is real only if the repayment stays high. A $15,000 card debt stretched over 30 years at a home-loan rate can cost more in total interest than clearing it in three years at a card rate — because you’re paying interest for ten times as long. The move that wins: consolidate, then keep paying at least what you were paying before.
When it makes sense
- You’re carrying genuinely high-interest debt (cards, personal loans, some car loans).
- You have enough equity to absorb the debt without pushing your loan-to-value ratio into LMI territory.
- The cash-flow relief solves a real problem — and you’ll direct the freed-up money at the debt, not new spending.
- You’re ready to close or hard-limit the cleared cards so they can’t quietly refill.
When to think twice
If the debt is small and nearly paid off, if you’re likely to run the cards back up, or if consolidating tips you into LMI or a worse home-loan rate, the maths can turn against you. Sometimes a better answer is a shorter-term restructure, an offset strategy, or simply a repayment plan — no refinance needed. Honest advice sometimes means talking you out of it.
Making it work
The buyers who win with consolidation treat it as a reset, not a rescue: they consolidate once, keep the repayment where it was, close the old facilities, and use the breathing room to get ahead. Pair it with a plan and it’s one of the most effective moves in personal finance.
Broker Insight. Consolidation can slash your monthly repayments — but stretching a short car loan over 30 years can cost more in the long run. We model both before ever recommending it.
See both numbers before you decide
We’ll model the monthly saving and the lifetime cost of consolidating your debts — and tell you honestly if it’s the right move. Free, no obligation.
Book your free game plan callFrequently asked questions
Is consolidating debt into my mortgage a good idea?
It depends entirely on what you do next. Moving 20%+ credit-card interest onto a mortgage rate around a third of that genuinely reduces the interest you pay — but only if you keep the repayment high and don’t reload the cleared cards. Stretch a short-term debt over 30 years at the minimum repayment and you can pay more in total despite the lower rate. It’s a powerful tool with a sharp edge.
Will debt consolidation hurt my credit score?
Refinancing to consolidate involves a new credit enquiry and closing accounts, which can cause a small, temporary dip. Over the following months, though, clearing high card balances and making steady repayments usually helps your score. The bigger risk to your credit is running the old cards back up after consolidating.
How much can I save by consolidating?
The monthly saving can be large because you replace several high repayments with one lower one at a home-loan rate. Whether you save overall depends on the term: keep paying what you paid before (or more) and you win on both fronts; drop to the minimum over a long term and the lower rate can be outweighed by paying interest for longer. We model both before you commit.
This guide is general information only and does not take your personal circumstances into account. It is not financial or credit advice. Government schemes, lender policies, rates and tax rules change over time and eligibility criteria apply. Speak with us for advice tailored to your situation.