Balance Transfers & 0% Deals
How balance transfers work, what fees to expect, eligibility criteria, and how to avoid common pitfalls when a 0% promotional period ends.
Balance Transfers & 0% Deals
If you are carrying credit card debt at a high APR, a 0% balance transfer can save hundreds or even thousands of pounds in interest. But they come with rules you need to understand.
How a Balance Transfer Works
- You apply for a new credit card offering a 0% balance transfer deal.
- If approved, the new card provider pays off your old card balance.
- The transferred amount sits on the new card at 0% interest for a promotional period (typically 12–29 months as of 2026).
- You repay the balance in fixed monthly instalments during the 0% window.
Transfer Fees
Almost all balance transfer cards charge a one-off fee calculated as a percentage of the amount transferred:
| Offer Length | Typical Fee | Example on £5,000 |
|---|---|---|
| 12–18 months at 0% | 1.5–2.5% | £75–£125 |
| 20–24 months at 0% | 2.5–3.5% | £125–£175 |
| 26–29 months at 0% | 3–3.9% | £150–£195 |
A small number of cards offer no-fee balance transfers, but the 0% period is usually shorter (6–12 months). Compare the total cost: sometimes paying a 3% fee for 28 months at 0% is cheaper than a fee-free card for 12 months if you cannot clear the balance quickly.
Eligibility — Will You Be Accepted?
Balance transfer cards with the longest 0% periods tend to require a good to excellent credit score. Factors that affect eligibility:
- Credit score and history — missed payments or high utilisation reduce your chances
- Existing debt-to-income ratio — lenders assess total commitments
- Recent applications — multiple hard searches lower your odds
- Relationship with the lender — some providers will not allow transfers from their own cards
Always use an eligibility checker (soft search) before applying. MoneySuperMarket, ClearScore, and MoneySavingExpert all offer these tools.
The Critical Rule: What Happens When 0% Ends
When the promotional period expires, the remaining balance reverts to the card's standard APR — typically 22–25%. This is where many people get caught.
Your plan should be:
Total balance ÷ Number of 0% months = Your fixed monthly payment
Example: £4,800 transferred to a 24-month 0% card (with a 3% fee = £144).
Total to repay: £4,944
Monthly payment: £4,944 ÷ 24 = £206 per month
Set up a standing order for this amount on payday so it happens automatically.
Common Mistakes to Avoid
- Making new purchases on the balance transfer card. Purchases usually accrue interest at the standard rate (22–25%) unless the card also has a 0% purchase offer. Worse, your monthly payments are allocated to the lowest-rate balance first (the transferred amount), meaning purchase debt grows unchecked.
- Only paying the minimum. The minimum payment on a 0% balance is tiny — often £5–£25. If you only pay the minimum, you will still owe most of the balance when the 0% ends.
- Missing a payment. One missed payment can void the entire 0% offer, reverting your balance to the full standard APR. Set up a Direct Debit for at least the minimum as a safety net.
- Transferring and forgetting. Put a calendar reminder for one month before the 0% period ends. If you still have a balance, consider a second balance transfer (if eligible) or accelerate payments.
- Closing the old card immediately. Closing your longest-held credit card can shorten your credit history and increase utilisation. Keep it open (with a zero balance) unless it has an annual fee.
When a Balance Transfer Makes Sense
A balance transfer is worthwhile when:
- You have existing high-APR debt you cannot clear within a few months
- You are disciplined enough to make fixed monthly payments
- The transfer fee is less than the interest you would otherwise pay
- You will not use the new card for additional spending
A balance transfer is not a solution if the root problem is overspending. Address the spending first, or you risk accumulating debt on both cards.
Explain Like I'm 5
Imagine you owe your friend 10 sweets and they charge you 1 extra sweet every week. Another friend says, 'Move what you owe to me and I won't charge any extra sweets for a whole year.' That is a balance transfer! You just have to pay back all 10 sweets before the year is up, or the extra charges start again.
Key Takeaways
- Balance transfer fees typically range from 1.5% to 3.9% — factor this into the total cost comparison.
- Divide the total balance by the number of 0% months to find your required fixed monthly payment.
- Missing a single payment can void the 0% offer entirely — always set up a Direct Debit for the minimum.
- Avoid making new purchases on a balance transfer card; they usually accrue interest at the standard rate.
Educational only - not financial advice