Debt consolidation loans are one of the most searched-for borrowing solutions in the UK, and for good reason — juggling multiple credit cards, store cards and loans at different interest rates and payment dates is stressful and often expensive. Used well, consolidation can genuinely help. Used carelessly, it can make things worse.
What is debt consolidation?
Debt consolidation means taking out a single new loan to pay off several existing debts, leaving you with one monthly payment, one interest rate, and one lender to deal with instead of several. The goal is usually to secure a lower overall interest rate than the blended rate across your existing debts, and to simplify management.
When consolidation genuinely helps
- The new loan's APR is meaningfully lower than the average rate across your existing debts
- You can comfortably afford the new single monthly payment
- You have a clear plan — and the discipline — not to run up new debt on the credit cards or accounts you've just cleared
- The simplification itself reduces your risk of missing payments due to juggling multiple dates and providers
When it can make things worse
- Extending the repayment term to reduce the monthly payment can increase the total interest paid overall, even at a lower rate — always check the total cost, not just the monthly figure.
- Secured consolidation loans (against your home) put your property at risk to pay off what was previously unsecured debt — a meaningful increase in risk that deserves serious thought.
- Arrangement fees on the new loan can offset some of the interest savings, particularly on smaller consolidation amounts.
Step-by-step: doing it the smart way
- List every existing debt — balance, interest rate and minimum payment — so you know your true starting position.
- Calculate your current total monthly outlay and blended interest cost across all debts combined.
- Compare consolidation loan offers based on representative APR for your credit profile, not just the advertised headline rate.
- Check the total amount repayable over the full new term against what you'd pay continuing with existing debts — our Debt Consolidation Savings Calculator does this comparison directly.
- Close or freeze cleared credit accounts where sensible, or at minimum commit to not using them, to avoid the "double debt" trap.
- Set up a direct debit for the new consolidated payment so you never miss it.
Consolidation loan vs balance transfer credit card
For smaller amounts of credit card debt, a 0% balance transfer credit card can sometimes be cheaper than a consolidation loan, provided you can realistically clear the balance within the promotional 0% period and factor in any balance transfer fee. For larger debts, or where you need longer than a typical 0% period to repay, a fixed-rate consolidation loan often provides more certainty.
What if you're struggling rather than just simplifying?
If you're consolidating because you're genuinely struggling to make minimum payments across several debts — rather than simply wanting to simplify manageable repayments — it's worth speaking to a free debt charity such as StepChange or National Debtline before committing to a new loan, as they can help you understand whether consolidation, a formal debt management plan, or another route is most appropriate for your situation.
Related reading: Personal vs Secured Loans: Which Is Cheaper?.
Our free Debt-to-Income Ratio Checker can help you check this against your own figures.
The bottom line
A debt consolidation loan can be a genuinely smart financial move when it lowers your overall interest cost, simplifies your finances, and is paired with a firm commitment not to rebuild debt on cleared accounts. Always compare the total cost — not just the monthly payment — and think carefully before securing previously unsecured debt against your home.