What a Balance Transfer Actually Is

A balance transfer moves debt from an existing credit card to a new card offering a low or 0% introductory interest rate for a fixed period — commonly 6 to 24 months in the Australian market. During that window, every dollar you repay attacks the principal instead of feeding interest that often runs near or above 20% p.a. on the old card.

The Mechanics, Step by Step

  1. Add up the debt and the real cost. Note each card's balance and purchase rate. If you're paying 20% p.a. on $8,000, that's roughly $1,600 a year in interest.
  2. Compare offers on four numbers: the introductory rate, the introductory period, the balance transfer fee (typically 1–3% of the transferred amount), and the revert rate — what any leftover balance attracts when the honeymoon ends.
  3. Apply for the new card and request the transfer during the application. The new issuer pays out the old card directly.
  4. Close the old card once the transfer lands, or cut it up. An open old card is a relapse waiting to happen — and it counts against your borrowing capacity.
  5. Set a repayment that clears the debt inside the intro period. Divide the balance by the number of interest-free months and set that as an automatic payment. Non-negotiable.

The Three Traps

1. New purchases don't get the deal

On most balance transfer cards, new purchases attract interest immediately because your repayments are allocated to the transferred balance first. Treat the card as a debt-clearing tool, not a spending card — leave it in a drawer. Keep a separate low-fee card for essential spending if needed.

2. The revert rate ambush

Whatever remains when the introductory period ends starts attracting the revert rate — frequently the card's cash advance rate, which can exceed 20% p.a. If the maths says you can't clear the balance in time, transfer less or pick a longer period.

3. The transfer fee you forgot

A 2% fee on a $10,000 transfer is $200, usually added to the balance upfront. It can still be excellent value against months of 20% interest — but include it in the comparison, and check whether the fee itself is included in the interest-free balance.

Balance Transfers and Your Credit Score

The application creates an enquiry, and the new account lowers your average account age — both small, temporary negatives. Clearing revolving debt and reducing utilisation are larger, lasting positives. Read how credit scores work for the full picture, and see what happens if you miss a payment for why autopay matters.

When a Balance Transfer Is the Wrong Tool

If the debt is large relative to income, or keeps growing, a transfer treats the symptom rather than the cause. A hardship arrangement with your current issuer, or free help from a financial counsellor via the National Debt Helpline (1800 007 007), is the better first call. Our site covers card optimisation — not debt crisis — and we'd rather point you at the right help than sell you a card.

Once the debt is cleared, then rewards cards come back into play: start with how to choose a card. Planning a big holiday spend first? Our Christmas & January balance-transfer playbook times all of this around the most expensive quarter of the year.