Is Your Credit Card Working Against You? How to Make Cards Pay You Back
Published 2nd of October 2012·Updated 21 April 2026
Reviewed by: Reviewed for accuracy April 2026
If you carry a balance on a standard credit card and pay only the minimum each month, your card is almost certainly working against you. The average UK credit card interest rate is around 24-25% APR, meaning a £2,000 balance costs you roughly £40 in interest every month. Switching your approach can turn that cost into a saving.
Short Summary
Transferring your balance to a 0% balance transfer card stops interest accruing immediately. Some cards offer 0% periods of up to 29 months, which can save hundreds of pounds if you use the time to pay down the balance.
Cashback and rewards cards pay you back on everyday spending. If you clear your balance in full each month, a cashback card effectively gives you a discount on everything you buy.
Credit cards used responsibly are one of the most effective tools for building your credit score. Making payments on time and staying within your credit limit are the two most important factors in your credit file.
Using a credit card for purchases over £100 also gives you Section 75 protection under the Consumer Credit Act 1974. This means you can claim a refund from the card issuer if the retailer goes bust or fails to deliver what it promised.
How do balance transfer cards work and which are best?
A balance transfer card lets you move existing credit card debt onto a new card with a lower or zero interest rate for a fixed period. You pay a one-off transfer fee (typically 2-3% of the balance) and then pay no interest for the promotional period, which means every payment reduces the actual debt rather than mostly covering interest.
For example, moving a £3,000 balance at 24.9% APR to a 0% card for 24 months with a 2.99% transfer fee would cost you £90 upfront but save you around £740 in interest over those two years, assuming you make no new purchases on the card.
The key rule is to clear the balance before the 0% period ends. Set up a direct debit for an amount that will clear the balance over the promotional period. If the balance is not cleared, the remaining debt reverts to the card's standard rate, which is often 24.9% APR or higher.
| Card type | Best for | Watch out for |
|---|---|---|
| 0% balance transfer | Clearing existing debt | Transfer fee; revert rate after deal ends |
| 0% purchase | Large planned purchases | Interest on any balance not cleared |
| Cashback | Everyday spending (paid in full) | Cashback cancelled if you carry a balance |
| Rewards/air miles | Frequent travellers | Annual fees; redemption restrictions |
Which cashback and rewards cards are worth having?
Cashback cards pay a percentage of your spending back to you as cash. The American Express Platinum Cashback Everyday card offers up to 1% cashback with no annual fee. The Amex Platinum Cashback card (with an annual fee of £25) offers a higher rate of 1.25%. High-street options include the Barclaycard Rewards card, which offers 0.25% cashback with no fee and no foreign transaction charges.
Rewards and air miles cards suit people who travel regularly. British Airways and Virgin Atlantic both issue credit cards through Barclaycard and American Express respectively, awarding Avios and Flying Club miles on everyday spending. These are only worth holding if you will actually use the rewards and if you clear the balance in full each month; the interest on any carried balance will far exceed the value of any points earned.
Can a credit card help rebuild my credit score?
Yes. Using a credit card responsibly is one of the most reliable ways to improve a thin or damaged credit file. The key behaviours that help your score are: making at least the minimum payment on time every month, keeping your credit utilisation below 30% of your limit (so using no more than £300 on a £1,000 limit), and not applying for multiple cards in quick succession.
Credit reference agencies in the UK, namely Experian, Equifax, and TransUnion, all record your card payment history. A consistent record of on-time payments over 12-24 months will improve your score with all three. If you have a poor credit history, specialist cards from providers such as Aqua, Vanquis, or Capital One are designed for credit building and are more accessible if mainstream lenders have declined you.
What is Section 75 protection and why does it matter?
Section 75 of the Consumer Credit Act 1974 makes your credit card provider jointly liable with the retailer if something goes wrong with a purchase costing between £100 and £30,000. This applies even if you only paid part of the total on the card. If the retailer goes into administration, delivers a faulty item, or misrepresents the product, you can claim your money back directly from the card issuer.
This protection does not apply to debit cards and is one of the strongest arguments for using a credit card for larger purchases, provided you clear the balance in full before interest accrues.
Frequently Asked Questions
What is the average UK credit card interest rate?
The average UK credit card APR is around 24-25%, according to the Bank of England's consumer credit data. Some store cards and specialist cards charge significantly more. If you are paying interest at this rate on any balance, reducing or eliminating it should be a top financial priority.
How long does a balance transfer take?
Most balance transfers complete within 3 to 7 working days, though some can take up to 10 working days. Continue making minimum payments on your existing card until the transfer is confirmed, as missed payments will affect your credit score and may incur late fees.
Will applying for a new credit card hurt my credit score?
A new credit card application results in a hard search on your credit file, which may temporarily reduce your score by a few points. If your application is approved and you use the card responsibly, your score typically recovers within a few months. Use eligibility checkers, which use soft searches, before applying to see your likelihood of acceptance without affecting your file.
Should I close old credit cards I am not using?
Not necessarily. Open accounts with low balances contribute positively to your credit utilisation ratio and can also extend your average account age, both of which support a good credit score. Only close accounts if they carry an annual fee you are not getting value from, or if managing multiple cards is causing you to lose track of spending.
Is it safe to do a balance transfer?
Yes, provided you choose a card from a provider authorised and regulated by the Financial Conduct Authority (FCA). Check the FCA register at fca.org.uk before applying. Read the terms carefully, particularly the transfer fee, the revert rate after the promotional period, and whether new purchases accrue interest separately.