Estimate a new combined payment, total payoff cost, and potential monthly savings for your debts.
This tool provides estimates for informational purposes only. It is not a substitute for professional advice. Individual results vary based on your inputs and assumptions, so review important decisions with a qualified professional.
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Debt consolidation is the process of combining multiple outstanding debts – credit cards, personal loans, store cards, overdrafts – into a single new loan with one monthly payment. The goal is typically to reduce the overall interest rate, lower the monthly payment, simplify repayment, or achieve a combination of all three. When executed thoughtfully, debt consolidation can save thousands of pounds or dollars in interest and provide a clear, structured path to becoming debt-free. When executed poorly, it can extend repayment timelines and increase total interest paid despite a lower rate.
The fundamental mathematics of debt consolidation centres on a break-even analysis: does the saving from a lower interest rate exceed the fees and costs of arranging the new loan? This calculator helps you run that analysis precisely.
A personal loan used to pay off multiple debts. In the UK, typical personal loan APRs range from approximately 6% for prime borrowers to 26%+ for those with impaired credit. In the US, personal loan rates for debt consolidation range from approximately 6-36% APR depending on credit score. For consolidation to make sense, the new loan rate must be meaningfully lower than the weighted average rate of the existing debts. Representative APR (as advertised by UK lenders) must be offered to at least 51% of successful applicants – your actual rate may be higher.
Balance transfer cards offer promotional 0% interest periods (typically 12-30 months in the US; 12-30 months in the UK) on debt transferred from other cards, for a balance transfer fee of 2-5% of the amount transferred. If you can repay the balance within the promotional period, this is often the lowest-cost consolidation option available. The risk is reverting to a high standard rate (typically 20-24% in the UK, 24-29% in the US) if the balance is not cleared by the end of the promotional period.
Secured consolidation uses your home as collateral and typically offers the lowest interest rates (roughly prime rate + 1-3% in the US; base rate + 2-5% in the UK). However, it transforms unsecured debt into secured debt. If you default, you risk losing your home – a significantly worse outcome than defaulting on unsecured debt. UK regulations require lenders to assess affordability carefully before advancing secured lending. The FCA's responsible lending rules and the Mortgage Credit Directive apply to second-charge mortgages.
A Debt Management Plan is an informal arrangement with creditors (not a legal solution) coordinated by a debt charity or commercial firm. In the UK, StepChange Debt Charity offers free DMPs and is the largest provider. The US equivalent involves negotiating through non-profit credit counselling agencies affiliated with the NFCC (National Foundation for Credit Counseling). In a DMP, you make one monthly payment to the agency, which distributes it to creditors. Creditors often agree to freeze or reduce interest. DMPs typically take 3-6 years to complete and affect credit scores.
Before consolidating, calculate whether the deal genuinely benefits you:
| Step | Calculation |
|---|---|
| 1. Calculate current total monthly interest | Sum (balance × monthly rate) for each debt |
| 2. Calculate new monthly interest after consolidation | Total balance × new monthly rate |
| 3. Monthly saving | Current interest – new interest |
| 4. Total fees and costs | Arrangement fees + early repayment charges on existing debts |
| 5. Break-even months | Total fees / monthly saving |
If the break-even period is less than the term of the new loan, consolidation makes mathematical sense assuming you do not take on new debt.
A lower monthly payment is not necessarily a better deal. Consolidating £15,000 of debt currently costing £650/month into a 5-year loan at a lower rate costing £350/month sounds attractive – but if the original debts would have been paid off in 2 years, you may pay significantly more total interest despite the lower rate. Always compare total interest paid over the full new term, not just monthly payment reductions. This is the most common mistake people make when evaluating consolidation offers.
Debt consolidation can affect your credit score in both positive and negative ways. Applying for a new loan or credit card creates a hard inquiry (US) or a hard search (UK) that may temporarily lower your score by 5-10 points. However, if consolidation reduces your credit utilisation rate (total balances divided by total credit limits) by closing high-balance cards or reducing balances, this typically has a positive medium-term effect. In the UK, Experian, Equifax, and TransUnion all score differently. In the US, FICO and VantageScore models weight credit utilisation heavily (approximately 30% of FICO score).
When consolidation is not viable, formal insolvency solutions may be appropriate:
UK: Individual Voluntary Arrangement (IVA) – A legally binding agreement between you and creditors, typically lasting 5-6 years. Available for debts usually over £10,000 with multiple creditors. You pay what you can afford; remaining debt is written off. Affects credit rating for 6 years. An Insolvency Practitioner (IP) must administer the IVA.
UK: Debt Relief Order (DRO) – For lower-income individuals with debts under £30,000, assets under £2,000, and disposable income under £75/month. Debts are frozen for 12 months and then written off if circumstances have not improved. Much cheaper than an IVA (£90 fee).
UK Bankruptcy: Normally lasts 12 months. Most debts are written off. Suitable when debt is unmanageable and there are limited assets to protect.
US Chapter 7 Bankruptcy: Liquidation bankruptcy. Most unsecured debts discharged in 3-6 months. Means test applies. Stays on credit report 10 years.
US Chapter 13 Bankruptcy: Reorganisation plan lasting 3-5 years. Allows debtors to keep assets like a home. Stays on credit report 7 years.
Lenders on both sides of the Atlantic use your debt-to-income (DTI) ratio as a key eligibility criterion for consolidation loans. DTI is calculated as total monthly debt payments divided by gross monthly income. US mortgage lenders typically require DTI below 43% for qualified mortgages; personal lenders prefer DTI below 35-40%. UK lenders use their own affordability models but broadly look for total debt service (including the new loan) to be sustainable against net disposable income. A DTI above 50% typically indicates serious debt problems that consolidation alone may not solve.
Debt consolidation is a good idea if: (1) the new interest rate is genuinely lower than your weighted average current rate; (2) you do not extend the repayment period unnecessarily; (3) you address the behaviours that caused the debt to accumulate; and (4) the fees and costs are covered by interest savings within a reasonable timeframe. It is not a good idea if it merely extends a longer repayment horizon to reduce monthly payments while increasing total interest paid. Use a calculator to compare total interest paid under both scenarios.
You apply for a 0% balance transfer card and transfer existing credit card balances onto it. You pay a one-time balance transfer fee (typically 2-4% in the UK, 3-5% in the US). During the promotional 0% period (12-30 months), all your payment reduces the principal rather than paying interest. This is the cheapest form of consolidation if you can repay within the promotional period. Divide the total balance by the number of 0% months to find the minimum payment needed to clear it before interest resumes.
StepChange Debt Charity is the UK's leading free debt advice charity, offering free Debt Management Plans, IVA referrals, bankruptcy advice, and online debt assessment tools. Their Money Navigator tool provides personalised recommendations based on your specific debt situation. StepChange is authorised and regulated by the FCA. They are entirely free for consumers – they are funded by creditor contributions. Unlike commercial debt management firms, they do not charge fees, meaning all your payments go directly to your creditors.
A Debt Management Plan (DMP) is an informal agreement to repay debts in full at a reduced rate, coordinated by a debt charity or firm. It is not legally binding, so creditors can still take action, and the process can take 5-10 years. An Individual Voluntary Arrangement (IVA) is a legally binding insolvency procedure, typically lasting 5-6 years, after which remaining debt is written off. An IVA has a more severe impact on credit rating but provides more certainty and potential debt write-off. An IVA requires an Insolvency Practitioner and is recorded on the public Insolvency Register.
In the UK, applying for a consolidation loan creates a hard credit search (visible to future lenders for 12 months). Multiple applications in a short period can lower your score. However, successfully consolidating and reducing credit utilisation – particularly by closing high-balance cards – tends to improve scores over 6-12 months. Paying on time consistently is the most important factor. UK credit agencies (Experian, Equifax, TransUnion) recommend avoiding multiple applications within 3 months and checking your credit report before applying.
In the UK, student loans (Plan 1, 2, or 5) cannot be consolidated into a private loan – they must remain with the Student Loans Company. Doing so would convert an income-contingent loan with write-off provisions into a standard commercial debt, which is almost always financially worse. In the US, federal student loans can be consolidated into a Direct Consolidation Loan (which preserves IDR and PSLF eligibility) or refinanced into a private loan (which loses federal protections). Private refinancing of federal student loans generally makes sense only for high earners with good credit who can secure meaningfully lower rates.
Key fees to check include: arrangement/origination fees (0-8% of loan amount in the US; typically included in APR in the UK), balance transfer fees (2-4% in the UK, 3-5% in the US), early repayment charges on existing loans, and any administration fees from a DMP provider. In the UK, the APR (Annual Percentage Rate) must legally include all mandatory fees, making it a reliable comparison tool. Always calculate total cost of credit (total amount repayable minus principal), not just monthly payment or headline rate.
Debt-to-income (DTI) ratio is your total monthly debt payments divided by gross monthly income, expressed as a percentage. A DTI of 36% means 36 pence of every £1 of gross income is committed to debt repayment. Most UK and US lenders consider DTI above 40% as elevated risk. If your DTI is very high (above 50%), lenders may decline consolidation applications, suggesting formal debt advice may be more appropriate than another loan product. Reducing DTI through higher income or partial debt repayment before applying improves eligibility and available rates.