What is a debt consolidation loan?
A debt consolidation loan is a single loan used to pay off several existing debts — credit cards, overdrafts, store cards and smaller loans — leaving you with one payment.
It doesn't reduce what you owe. It changes the shape of the debt: one lender, one rate, one date, one end point.
Done properly it lowers your interest cost and gives you a definite debt-free date. Done carelessly it stretches the same debt over a longer period and costs more.
How does debt consolidation work?
Add up every balance you want to clear. Apply for a loan of that amount over a term you can genuinely afford, then use the funds to settle each debt in full.
Some lenders pay creditors directly, which removes the temptation to spend the money elsewhere. Otherwise the cash lands in your account and you clear the balances yourself the same day.
Here's a fictional example:
Meet Sarah, juggling four payments
Sarah owes £4,000 on a credit card at 24.9%, £2,500 on a store card at 29.9%, a £1,500 overdraft at 39.9% and £2,000 left on a car loan at 9.9% — £10,000 in total.
Her combined minimum payments come to roughly £420 a month and the balances barely move.
She consolidates into a £10,000 loan over four years at 9.9% APR, paying about £252 a month with a total repayable near £12,100.
Her monthly outgoings fall by £168, she saves well over £2,000 in interest, and the debt has a fixed end date — provided she stops using the cleared cards.
What are the ways to consolidate debt?
Unsecured consolidation loan
A standard personal loan used to clear other debts.
Nothing is at risk beyond your credit file, and the term is usually one to seven years.
Balance transfer credit card
Moves card balances to a 0% deal for up to around two years, for a transfer fee of 2% to 4%.
Cheapest option if you can clear the balance inside the promotional period.
Secured consolidation loan
Larger amounts at lower rates, secured on your home.
Converts unsecured debt into debt your house is backing — a serious step that should be a last resort.
Should I consolidate my debts?
Consolidation genuinely helps when:
- 1
Your new rate is lower
Replacing 25% to 40% card and overdraft interest with a single-digit or low-teens loan rate saves real money.
- 2
You keep the term short
Consolidating into four years rather than seven can halve the extra interest paid.
- 3
The spending has stopped
Consolidation only works if the cleared cards stay cleared. Close or lock them the same day.
- 4
Managing payments is the problem
One date and one amount is far easier to hold together than five.
Will I be accepted?
Lenders assess consolidation applications like any other loan:
Credit history: The better your file, the lower the rate. Heavy existing debt already weighs on your score.
Debt-to-income ratio: If total debt is very high relative to income, applications are often declined.
Affordability: The new payment must fit your budget alongside remaining commitments.
Stable income: Employment or trading history showing you can service the loan for its full term.
Existing arrears: Current defaults or missed payments sharply reduce your options and raise the rate.
How to compare debt consolidation loans
Look past the headline rate and check these five things:
- 1
Representative APR vs your rate
Only 51% of accepted applicants have to be given the advertised APR. Use an eligibility checker to see a personalised rate before you apply.
- 2
Total cost of credit
A longer term lowers the monthly payment but raises the total interest paid. Always compare the total repayable figure, not just the monthly amount.
- 3
Fees
Arrangement fees, broker fees, valuation fees and early settlement charges can add several percent to the real cost.
- 4
Early repayment terms
Some lenders charge up to two months' interest to settle early. Others let you overpay freely, which is worth a slightly higher rate.
- 5
Speed and flexibility
Payment holidays, adjustable dates and same-day funding matter more than a 0.2% rate difference for many borrowers.
Debt consolidation pros and cons
Pros
- One payment instead of several
- Usually a lower interest rate than cards
- A fixed, known debt-free date
- Lower monthly outgoings in most cases
Cons
- Longer terms can cost more overall
- It's easy to run the cleared cards back up
- Poor credit means an uncompetitive rate
- Secured consolidation puts your home at risk
When you should not consolidate
If the new rate is higher than your current average, or the term is much longer, consolidation makes the debt more expensive even though the monthly payment falls.
If you're already in arrears or can't meet minimum payments, a debt management plan or an IVA through a free advice charity is likely to be a better route than more borrowing.
And if the underlying issue is spending rather than structure, consolidating simply clears the cards for another cycle — the balances come back within a year.
What happens if I can't keep up repayments?
Missed payments on a consolidation loan are reported to credit reference agencies and stay on your file for six years, making future borrowing harder and more expensive.
Speak to the lender before you miss a payment. UK lenders are required to treat customers in financial difficulty fairly and can often arrange a reduced payment plan or a short forbearance period.
Free, impartial help is available from StepChange, National Debtline and Citizens Advice — and getting advice early usually keeps far more options open.
What are the alternatives to a consolidation loan?
Free and lower-cost options to weigh first:
0% balance transfer card
Interest-free for up to around two years on card debt, for a small transfer fee. Best where the balance is clearable in that window.
Debt management plan
Arranged free through StepChange or National Debtline, with interest often frozen and a single affordable payment.
Talking to existing creditors
Many will reduce payments, freeze interest or agree a plan if you contact them before missing payments.
FAQs
About this guide
Written and reviewed by the Grow Your Business team, and kept up to date as rates, rules and provider terms change.
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