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Debt Consolidation
Find out whether consolidating your debts into a remortgage could reduce your monthly payments and simplify your finances.
A debt consolidation mortgage allows you to remortgage your home and borrow additional funds to pay off unsecured debts such as credit cards, personal loans, and overdrafts. Instead of making multiple payments at different interest rates, you combine everything into a single monthly mortgage payment.
Mortgage interest rates typically sit around 4.5% to 5%, compared to credit card rates averaging 24.66%, which can significantly reduce your monthly outgoings. For example, a homeowner with a £150,000 mortgage and £23,000 in unsecured debt could reduce monthly payments from £1,377 to around £1,003, saving £374 per month.
However, spreading short-term debt over a longer mortgage term often means paying more interest overall. Most lenders require at least 15% equity remaining after consolidation, with a maximum loan-to-value ratio of 85%. The process typically takes 4 to 8 weeks from application to completion and requires a property valuation, affordability assessment, and solicitor involvement.
Sources: Bank of England consumer credit statistics (2025), UK Finance Mortgage Trends Update (2025)
Remortgaging to consolidate your debts means switching your existing mortgage to a new deal and borrowing extra money on top. You use that additional borrowing to repay debts like credit cards, personal loans, store cards, and overdrafts by combining them into a single loan secured against your home.
Instead of making five or six different payments each month to various lenders at different interest rates, you end up with one monthly payment on your mortgage. Your unsecured debts disappear because you have paid them off in full using the new mortgage. But your mortgage balance increases by the amount you borrowed to clear them, resulting in a single loan to manage.
That monthly saving looks attractive, but here is what those figures do not immediately show. If you spread that £23,000 of debt over your remaining 20-year mortgage term instead of paying it off over 3 to 5 years, you will pay significantly more interest overall. This is the central trade-off with debt consolidation remortgages.
When you want to borrow more against your home, you have two main options: remortgaging with a new lender, or asking your existing lender for a further advance.
Remortgaging means moving your entire mortgage to a new lender who will pay off your existing mortgage and give you additional funds. You get a completely fresh deal with new rates and terms.
A further advance means staying with your existing lender and simply borrowing more on top. The extra borrowing might come with a different interest rate than your main mortgage. A second charge mortgage also allows you to borrow against your home without remortgaging your existing mortgage.
If you are still within your initial fixed or discounted rate period, a further advance often makes more sense because you will not trigger early repayment charges (ERCs) on your existing mortgage. ERCs can run as high as 5% of your outstanding balance in the early years, potentially costing thousands of pounds.
You can typically consolidate most forms of unsecured debt:
One important exception: you cannot usually consolidate 0% interest debts like balance transfer credit cards that are still within their interest-free period. Lenders do not consider this sensible because you would be moving debt from 0% interest to 4 to 5% interest. Similarly, student loans are not suitable for consolidation because their repayment terms and interest calculations work differently from standard debt.
How it works
Work out your numbers
List all unsecured debts with balances, interest rates, and monthly payments. Check your property value and calculate your current and projected loan-to-value ratio. Most lenders cap debt consolidation at 85% LTV.
Check your credit report
Download reports from Experian, Equifax, and TransUnion. Look for errors, old accounts that should be closed, and anything that might surprise a lender. Addressing issues before applying can improve the rates offered.
Get mortgage advice
A whole-of-market broker will search across lenders to find the most suitable deal. They run soft credit checks initially so you can see what is available without affecting your credit score.
Property valuation
The lender arranges a valuation of your property, usually within 5 to 10 working days. Some lenders use automated desktop valuations for lower-risk cases. Others send a surveyor to physically inspect the property.
Underwriting and approval
Underwriters review your application, credit history, income evidence, and valuation. Many lenders want to see at least 12 months of on-time mortgage payments for debt consolidation cases.
Legal work and completion
Solicitors handle the legal transfer and arrange to pay off your existing debts directly to creditors. From application to completion typically takes 4 to 8 weeks, though complex cases can take longer.
Understanding the true cost of a debt consolidation remortgage requires looking beyond the monthly payment. By securing your debts against your home, you risk paying more interest over time and putting your property at risk. There are upfront costs to factor in and, crucially, the total interest you will pay over the life of the loan.
Here is where the maths becomes crucial. Consider a homeowner with an outstanding mortgage of £180,000 (18 years remaining at 4.5%) and £20,000 in unsecured debt (£12,000 on credit cards at 24.66% and £8,000 on a personal loan at 9.9%).
Keeping debts separate: aggressively paying off the credit card over 3 years at £450 per month would cost about £4,200 in interest. The personal loan adds £1,200 more. Total interest on debts: approximately £5,400.
Consolidating into the mortgage: adding £20,000 at 4.8% over the remaining 18 years would mean about £10,300 in additional interest. Even with a lower rate, spreading the debt over 18 years instead of 3 years means nearly double the interest.
However, if the homeowner can only afford minimum payments on the credit card, it could take 20+ years to clear and cost over £18,000 in interest. The right answer depends entirely on what you can realistically afford each month.
The key to making debt consolidation worthwhile is not extending the repayment period unnecessarily. If you can afford overpayments on your mortgage, you can effectively pay off the consolidated debt portion faster. Most mortgages allow overpayments of up to 10% of the balance each year without triggering early repayment charges. Putting the monthly savings back into overpayments is the most effective strategy.
Debt consolidation remortgages work well for some people and poorly for others. Your current debts and credit commitments will affect your eligibility and the suitability of remortgaging.
You have substantial high-interest debt: if you are carrying £15,000 or more on credit cards at 20%+ interest and struggling to make more than minimum payments, the interest savings from consolidation can be significant even accounting for the longer term.
You need breathing room in your monthly budget: sometimes cash flow matters more than total cost. If high monthly payments are causing you to miss payments, damage your credit score, or take on even more debt, consolidation can break that cycle.
You have a clear plan to overpay: those who treat the monthly savings as money to overpay rather than money to spend see the best outcomes. If you are disciplined enough to put that £374 monthly saving back into overpayments, you get both the cash flow relief and avoid much of the extra long-term interest.
You have decent equity and a stable income: lenders offering the best rates typically want at least 25% equity remaining after consolidation and clear evidence that you can afford the new payment comfortably.
Your debt is relatively small: for debts under £10,000, the setup costs and hassle of remortgaging may outweigh the benefits. A 0% balance transfer card or debt consolidation personal loan might be simpler and cheaper.
You are still in your fixed rate period: early repayment charges can wipe out years of interest savings. If you are two years into a five-year fix with a 3% ERC, you would pay £6,000 on a £200,000 mortgage just to switch. Usually better to wait.
Your spending habits have not changed: if your debt comes from a one-off event like a job loss, divorce, or medical bills, that is different from consistent overspending. Be honest with yourself about which category you fall into.
You are struggling with mortgage payments already: if you are already behind on your mortgage or worried about affording your current payment, adding more debt to it is not the answer. Speak to your mortgage lender about forbearance options and consider seeking free debt advice from organisations like StepChange or Citizens Advice.
The amount you can borrow through a debt consolidation remortgage depends on two main factors: whether you have enough equity in your property and your affordability. Consolidating debts into your mortgage will reduce the equity in your property.
Loan-to-value (LTV) is your total borrowing as a percentage of your property value. Most lenders cap debt consolidation remortgages at 85% LTV, meaning you need at least 15% equity remaining after the consolidation.
Some specialist lenders will go up to 90% LTV for debt consolidation, but the interest rates at this level are noticeably higher. At 90%+ LTV, most lenders will not allow borrowing specifically for debt consolidation at all.
Even if you have the equity available, lenders will only let you borrow what you can afford to repay. They use stress tests to make sure you could still afford your mortgage if interest rates rose.
Your affordability depends on your income, existing financial commitments, and the lender's criteria. Generally, you can expect to borrow around 4 to 4.5 times your annual household income, though this varies by lender and individual circumstances. A broker can give you a clearer picture of realistic borrowing amounts based on your specific situation without affecting your credit score.
Lower monthly payments: mortgage rates are significantly lower than credit card rates. According to Bank of England data, the average mortgage rate is around 4.5% while the average credit card rate exceeds 24%. That gap creates real monthly savings.
Simplified finances: one payment instead of five or six. One due date to remember. One balance to track. For many people, this simplicity reduces stress and makes budgeting easier.
Potential credit score improvement: paying off credit cards and loans in full registers as a positive on your credit file. As long as you do not run up new balances, your credit utilisation drops and your score typically improves over time.
Fixed payment option: if you choose a fixed-rate mortgage, you know exactly what you will pay each month for the fixed period. Credit cards and variable loans do not offer that certainty.
You are securing unsecured debt: this is the biggest risk. Credit card and loan debts are unsecured and do not put your home at risk. By remortgaging to consolidate, you are securing debts against your property. If you miss payments on your mortgage, you could lose your home.
You may pay more interest overall: spreading debt over 15 to 25 years instead of 3 to 5 years usually means paying more total interest, even at a lower rate. The maths does not always favour consolidation unless you plan to overpay.
Setup costs: valuation fees, legal fees, arrangement fees, and potential early repayment charges can add £500 to £3,000+ to the cost of consolidating.
Risk of accumulating new debt: with your credit cards paid off and showing zero balances, there is nothing stopping you from spending on them again. About 30% of people who consolidate debt end up back in the same position within five years, according to various industry studies.
Reduced equity: using equity to clear debts means less equity available for future needs like home improvements, moving house, or handling emergencies.
Debt Consolidation
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Before committing to a debt consolidation remortgage, explore whether other options might be simpler or more suitable for your situation.
If your debt is primarily on credit cards and you have a reasonable credit score, a 0% balance transfer card lets you move your balance to a new card with no interest for a set period, typically 12 to 29 months. You will pay a transfer fee (usually 2 to 3% of the balance), but during the 0% period, every payment goes directly towards reducing your debt. Best for credit card debt under £10,000 with a good credit score.
An unsecured personal loan to consolidate debt keeps your home out of the equation. Rates are higher than mortgages but the term is typically 3 to 7 years, so you will clear the debt faster. Current personal loan rates for £10,000+ borrowing range from around 6% to 15% depending on your credit profile. Best for debt under £25,000 when you want to keep borrowing separate from your mortgage.
A secured loan sits behind your existing mortgage. You do not disturb your current mortgage deal, which means no early repayment charges. The secured loan has its own rate and term. Best when early repayment charges make remortgaging expensive, or for consolidating larger amounts of £25,000 or more.
If you are genuinely struggling with debt and cannot afford realistic repayments, a debt management plan (DMP) through a free provider like StepChange or PayPlan might be more appropriate. A DMP involves negotiating reduced payments with your creditors. It will affect your credit score, but it provides breathing room without putting your home at risk.
For more serious debt situations, an individual voluntary arrangement (IVA) is a formal agreement to pay back a portion of what you owe over typically five years, with the remaining debt written off. IVAs significantly impact your credit file and have strict criteria, but they can provide a route out of overwhelming debt. Best for debt over £12,000+ with multiple creditors.
Not all lenders are equally willing to consider debt consolidation, and their criteria vary significantly.
High street banks generally prefer straightforward cases with good credit histories and plenty of equity. They often have the lowest rates but the strictest criteria.
Building societies can be more flexible, particularly for customers with a relationship with them. Some are notably open to debt consolidation applications.
Specialist lenders exist specifically for customers with more complex circumstances, including those with poor credit history, higher LTVs, or non-standard income. Their rates are higher but their acceptance criteria are more generous.
Mortgage payment history: most lenders want to see 12 months of on-time mortgage payments. Recent mortgage arrears are a significant obstacle.
Reason for debt: debt from a life event like divorce or redundancy is viewed more favourably than patterns of overspending.
Affordability: can you genuinely afford the new payment? Lenders will stress test against potential rate rises.
Security: is the property in good condition and readily saleable?
Exit strategy for the debt: some lenders ask how you plan to ensure you do not accumulate new debt. Demonstrating that credit cards will be closed can help.
Having defaults, missed payments, or other adverse credit does not automatically disqualify you from a debt consolidation remortgage, but it does affect your options. Specialist lenders consider applications from customers with recent defaults, missed payments on credit agreements, debt management plans (current or historical), and lower credit scores.
Expect to pay higher interest rates than someone with a clean credit file. Rates for adverse credit remortgages typically start around 5.5% to 6% and can go higher depending on the severity and recency of credit issues. What matters most is the age of the adverse information: a default from four years ago has much less impact than one from six months ago. After six years, most negative information drops off your credit file entirely.
Self-employed applicants face additional scrutiny but are not excluded. Most lenders want to see two years worth of accounts or tax returns showing consistent income. Some will consider one year for established businesses with a strong track record. Your income is typically calculated as the average of your last two or three years earnings.
Age does not prevent you from remortgaging, but it affects the maximum term lenders will offer. Most mainstream lenders want the mortgage paid off by age 70 to 75. Specialist later-life lenders will consider mortgages that extend into retirement, typically up to age 80 to 85 at the end of term. They will want to see that your pension income will support the payments.
Commission, bonuses, overtime, and seasonal work all count as variable income. Lenders treat this differently from basic salary. Typically, only 50% to 60% of variable income is used in affordability calculations, because lenders assume it might not continue at the same level. You will need evidence of the variable income being paid consistently over the last 2 to 3 years.
These are the most common and costly errors to watch out for when arranging a debt consolidation remortgage.
Not checking early repayment charges first: before doing anything else, find out what it would cost to leave your current mortgage deal. Your annual mortgage statement shows this. If you have an ERC of £4,000 to pay, factor that into any comparison. You might be better waiting until your deal ends, or exploring a further advance instead.
Focusing only on monthly payments: a lower monthly payment feels good but might cost you more overall. Always calculate the total interest you will pay over the full term and compare it properly. Ask yourself whether you will put the monthly savings into overpayments, and by how much.
Not closing credit accounts: leaving credit cards open with zero balances creates temptation and can work against you in future credit applications. If you do not need the credit facilities, close them. Keep one card if you use it responsibly for things like travel bookings that need credit card protection.
Consolidating 0% interest debt: moving a 0% balance transfer card balance onto a 4.8% mortgage makes no financial sense. Wait until the 0% period ends or is about to end.
Not addressing the underlying issue: consolidation is a financial tool, not a behaviour change. If overspending caused your debt, consolidation without a proper budget just delays the problem. Build a realistic budget before consolidating and commit to living within it. Free services like Money Helper can help with budgeting tools and guidance.
Yes, specialist lenders consider applications from customers with defaults, missed payments, and other adverse credit. Rates start around 5.5% to 6% for adverse credit remortgages. The key factors are how recent the issues are, their severity, and your mortgage payment history. A broker can match you with suitable lenders.
Most lenders require at least 15% equity remaining after consolidation, meaning a maximum loan-to-value of 85%. Some specialist lenders go to 90% but at higher rates. If you have less equity, you may need to wait for property values to rise or your mortgage balance to reduce.
Initially, applications can cause a small dip due to credit searches. Once complete, paying off all unsecured debts shows as settled accounts and your credit utilisation drops to zero. Over the following months, this typically improves your credit score, provided you do not accumulate new debt.
You can, but you will pay early repayment charges which can reach up to 5% of your outstanding mortgage balance. This cost may outweigh the benefits of consolidation. Consider a further advance with your current lender instead, or wait until your fixed period ends to avoid the penalty.
Typically 4 to 8 weeks from application to completion. Straightforward cases with clean credit and simple income can be faster. Complex situations involving self-employment, adverse credit, or unusual property types may take longer. A broker can give you a realistic timeline based on your specific circumstances.
Student loans are not suitable because they have special repayment terms linked to your income. Debts with 0% interest should not be consolidated because you would add interest where there was none. Secured debts like car finance might need to be handled separately depending on the terms.
Yes, this is standard practice for debt consolidation remortgages. The lender or solicitor pays consolidated debts directly to your creditors. You receive any remaining funds after debts are cleared. This direct payment protects everyone by ensuring the money goes where it is supposed to.
Calculate the total interest on your debts if kept separate versus the total interest on the consolidated mortgage over its term. Factor in setup costs and early repayment charges. Consider whether you will actually overpay, and by how much. A broker can run these calculations using real products and rates.
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