Balance transfer credit cards let you move existing credit card debt to a new card with 0% interest for up to 29 months, saving hundreds or thousands in interest charges. This guide compares the top UK cards, fees, and strategies to clear your debt faster.
Quick Summary: Top 3 Cards
🥇 Longest 0% Period
Barclaycard Platinum — 29 months at 0% (3% transfer fee)
🥈 Lowest Fee
Virgin Money — 26 months at 0% (2.9% fee)
🥉 Best Overall
MBNA Long Balance Transfer — 27 months at 0% (2.9% fee)
Top 10 Balance Transfer Cards Compared
| Card | 0% Period | Transfer Fee | APR After | Best For |
|---|---|---|---|---|
| Barclaycard Platinum | 29 months | 3% | 24.9% | Longest 0% time |
| MBNA Long BT | 27 months | 2.9% | 23.9% | Best overall value |
| Virgin Money BT | 26 months | 2.9% | 24.9% | Reliable approval |
| Santander All in One | 26 months | 2.9% | 23.9% | Existing customers |
| Tesco Bank BT | 24 months | 2.9% | 24.9% | Clubcard points |
| Halifax BT | 23 months | 2.9% | 22.9% | Lower APR after |
| Nationwide BT | 22 months | 2.5% | 21.9% | Members only |
| M&S Bank BT | 20 months | 2.5% | 23.9% | Lower fee |
How Balance Transfers Work
- 1Apply for a new card — Choose a card with a long 0% period and low transfer fee
- 2Request the transfer — Tell the new card issuer how much to transfer and from which cards
- 3Pay a transfer fee — Usually 2.5-3% of the amount transferred (e.g., £1,000 debt = £25-30 fee)
- 4Enjoy 0% interest — No interest charged during the promotional period
- 5Set up a Direct Debit — Pay at least the minimum monthly, ideally divide total by months to clear fully
Key Strategy: Divide your total debt by the number of 0% months. That's your monthly payment to be debt-free before interest kicks in. Example: £3,000 debt on a 29-month card = £104/month to clear completely.
How Much Does a Balance Transfer Save?
| Debt Amount | Standard Card (APR 24.9%) | After Balance Transfer | Interest Saved |
|---|---|---|---|
| £1,000 | £249/year interest | £27 transfer fee, 0% interest | ~£220 saved |
| £3,000 | £747/year interest | £87 transfer fee, 0% interest | ~£600+ saved |
| £5,000 | £1,245/year interest | £150 transfer fee, 0% interest | ~£1,000+ saved |
Common Balance Transfer Mistakes
- Not clearing before 0% ends — APR jumps to 23-25% immediately after. Set calendar reminders.
- Using the card for new spending — New purchases attract full APR immediately. Keep the card purely for the transfer.
- Missing minimum payments — One missed payment can cancel your 0% deal entirely.
- Applying for multiple cards — Each application leaves a hard credit search. Apply for one at a time.
- Transferring between same banking group — MBNA and Halifax are both Lloyds Banking Group — you can't transfer between them.
Balance transfer cards require a credit check. If you have poor credit, you may not be approved or may get a shorter 0% period. Use an eligibility checker (soft search) before applying to avoid damaging your credit score.
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Sento earns a referral if you click through our links — this never affects our recommendations. Prices and details correct at time of publication. Updated February 2026.