Choosing between a home improvement loan and a remortgage depends on how much you want to borrow, how long you plan to repay, and whether you are comfortable securing the debt against your home.
This article is information only. It explains how the two options work and what the trade-offs are. It is not personal financial advice, and it does not tell you which option is right for your situation.
What is the difference between a home improvement loan and a remortgage?
A home improvement loan is usually an unsecured personal loan. You borrow a fixed amount, repay it over an agreed term (often one to seven years), and your home is not used as security. Because the loan is unsecured, the lender relies on your creditworthiness alone.
A remortgage means replacing your current mortgage with a new one, often borrowing extra on top of what you already owe. Because a mortgage is secured against your property, the lender has a legal claim on your home if you cannot keep up with repayments.
In plain English: a home improvement loan puts your credit record at risk if things go wrong; a remortgage puts your home at risk.
How do the two options compare?
The table below sets out the main differences at a glance.
| Feature | Home improvement loan | Remortgage |
|---|---|---|
| Secured against your home? | No (if unsecured) | Yes |
| Typical borrowing range | Up to £25,000, £50,000 | Can be higher, limited by equity |
| Typical repayment term | 1 to 7 years | Up to remaining mortgage term (could be 20+ years) |
| Interest rate type | Often fixed | Fixed or variable options available |
| Early repayment charges | Sometimes | Common on fixed-rate deals |
| Application process | Usually simpler and faster | Involves full mortgage assessment |
| What is at risk if you miss payments | Credit record, debt collection | Your home |
The important bit is the last row. The type of security you are offering changes the nature of the risk entirely.
What can go wrong with each option?
With a home improvement loan:
- Missing payments affects your credit record, which can make future borrowing more expensive or harder to obtain.
- Lenders may add fees for late payments.
- If the debt is passed to a collections agency, it can become more stressful to resolve.
With a remortgage:
- Your home is at legal risk if you fall behind on payments over time.
- You are extending secured debt, possibly over many years. A lower monthly payment can mask a higher total cost.
- Remortgaging during a fixed-rate period may trigger an early repayment charge (ERC) on your existing deal. This can run to thousands of pounds.
- If your home's value falls, you could end up with a higher loan-to-value ratio, which limits your options later.
- Switching from an unsecured loan to secured borrowing is a significant step. Once a debt is secured against your home, missed payments carry consequences that unsecured debt does not.
The phrase "securing previously unsecured debt" is worth understanding clearly. It means taking a debt that had no property attached to it and putting your home behind it. This matters because it changes what a lender can do if repayments are missed.
When can a home improvement loan make sense?
A home improvement loan may be worth considering when:
- The amount you need is within a range that unsecured lenders offer (typically up to £25,000 to £50,000).
- You want a shorter repayment term, so the debt is cleared quickly.
- You want to keep your mortgage separate and undisturbed.
- You are in a fixed-rate mortgage period and face a substantial ERC if you remortgage.
- You prefer not to put your home at risk for the renovation project.
A shorter loan term often means higher monthly payments than a remortgage, but you pay less interest overall because the debt does not drag on for decades.
When can remortgaging make sense?
Remortgaging to fund home improvements may be worth considering when:
- The amount needed is large, beyond what unsecured lenders typically offer.
- Your mortgage deal is ending (or already on a standard variable rate), so there is no ERC to worry about.
- The equity in your home is sufficient to support the additional borrowing, with room to spare.
- A full affordability assessment confirms you can comfortably manage the higher mortgage repayments.
- You are comfortable with the fact that your home is used as security.
The key check is the total amount repayable, not just the monthly figure. Spreading £20,000 of renovation costs over 20 years at a low interest rate can still cost more in total interest than a three-year personal loan at a higher rate. Comparing total costs side by side is a useful first step.
What to check before deciding
Before choosing either route, these points are worth reviewing:
Check your current mortgage terms. Find out whether your mortgage is in a fixed-rate period and whether an ERC applies. Your mortgage lender or a mortgage broker can confirm this.
Work out the total cost of each option. Use the total amount repayable figure, not just the APR or monthly payment. The loan repayment calculator on this site can help with this comparison.
Consider the loan term carefully. A longer term lowers monthly payments but increases the total interest paid. A simple way to think about it: borrowing £15,000 over 15 years at a low rate often costs more in total than borrowing the same amount over 5 years at a higher rate.
Check your equity position. If you remortgage and take on more secured debt, your loan-to-value ratio rises. This can affect the mortgage rates available to you in future.
Get a clear picture of your credit file. Both options involve a credit check. Knowing where you stand before applying can help you avoid unnecessary hard searches on your file.
Think about what you are comfortable with. There is no single answer that suits everyone. The choice between keeping your home off the table and accessing a lower rate is a personal one.
If you are unsure, speaking to an independent mortgage broker or a regulated financial adviser can help you weigh up the figures for your specific circumstances.
Free debt help
If you are already worried about existing debts, or if the renovation borrowing would stretch your finances, free help is available from:
- StepChange Debt Charity: 0800 138 1111 (freephone, including mobiles)
- National Debtline: 0808 808 4000 (freephone)
- MoneyHelper: 0800 138 7777 (freephone)
All three services are free, confidential, and independent.
Frequently asked questions
Is a home improvement loan secured against my property?
Not necessarily. Many home improvement loans are unsecured personal loans, meaning your home is not used as collateral. A remortgage, by contrast, is always secured against your property. If you are offered a "secured home improvement loan", that is a different product and carries the same property risk as a remortgage.
Can remortgaging really be cheaper than a personal loan?
Mortgage interest rates are often lower than personal loan rates, so the monthly payment may be smaller. However, spreading the borrowing over a longer mortgage term can mean paying more interest in total. Comparing the total amount repayable on both options, not just the monthly figure, gives a clearer picture.
What is an early repayment charge and when does it apply?
An early repayment charge (ERC) is a fee some lenders apply if you pay off or switch a loan or mortgage before the agreed term ends. ERCs are common on fixed-rate mortgages during the fixed period. Checking whether your current mortgage has an ERC is a useful first step before deciding to remortgage.
How much can I borrow with each option?
Unsecured home improvement loans typically go up to around £25,000 to £50,000, depending on the lender and your circumstances. Remortgaging can release larger sums, limited by the equity in your home and the lender's affordability assessment. Both are subject to the lender's checks.
What happens if I cannot keep up with repayments?
With an unsecured loan, missed payments can damage your credit record and lead to debt collection. With a remortgage, your home is at risk if you fall behind. In either case, contacting the lender early and seeking free debt advice is worth considering before things escalate.
Do I need a good credit score to remortgage?
Lenders carry out affordability and credit checks for remortgages just as they do for any other loan. A lower credit score may affect the rates available to you or whether a lender will approve the application. Checking your credit file before applying can help you understand where you stand.
Related guides and further reading
For a broader look at borrowing to fund home projects, the home improvement loans guide sets out the full range of options. For context on how mortgages work, the mortgages guide covers the key concepts.
Sources: Financial Conduct Authority (fca.org.uk); MoneyHelper (moneyhelper.org.uk).
- Is a home improvement loan secured against my property?
Not necessarily. Many home improvement loans are unsecured personal loans, meaning your home is not used as collateral. A remortgage, by contrast, is always secured against your property. If you are offered a 'secured home improvement loan', that is a different product and carries the same property risk as a remortgage.
- Can remortgaging really be cheaper than a personal loan?
Mortgage interest rates are often lower than personal loan rates, so the monthly payment may be smaller. However, spreading the borrowing over a longer mortgage term can mean paying more interest in total. Comparing the total amount repayable on both options, not just the monthly figure, gives a clearer picture.
- What is an early repayment charge and when does it apply?
An early repayment charge (ERC) is a fee some lenders apply if you pay off or switch a loan or mortgage before the agreed term ends. ERCs are common on fixed-rate mortgages during the fixed period. Checking whether your current mortgage has an ERC is a useful first step before deciding to remortgage.
- How much can I borrow with each option?
Unsecured home improvement loans typically go up to around £25,000 to £50,000, depending on the lender and your circumstances. Remortgaging can release larger sums, limited by the equity in your home and the lender's affordability assessment. Both are subject to the lender's checks.
- What happens if I cannot keep up with repayments?
With an unsecured loan, missed payments can damage your credit record and lead to debt collection. With a remortgage, your home is at risk if you fall behind. In either case, contacting the lender early and seeking free debt advice is worth considering before things escalate.
- Do I need a good credit score to remortgage?
Lenders carry out affordability and credit checks for remortgages just as they do for any other loan. A lower credit score may affect the rates available to you or whether a lender will approve the application. Checking your credit file before applying can help you understand where you stand.