Remortgage vs Personal Loan for Home Improvements

Remortgaging to Fund Home Improvements

Remortgaging to fund home improvements means switching your mortgage to a new deal and borrowing additional money on top of your existing balance. The extra funds are released as a lump sum at completion and can be used for any home improvement purpose.

How it works:

• You apply for a new mortgage that is larger than your current outstanding balance.
• The new lender pays off your existing mortgage, and the surplus is released to you.
• You repay the full amount — including the additional borrowing — through monthly mortgage payments.

Advantages of remortgaging for home improvements:

• Lower interest rates: Mortgage rates are typically much lower than personal loan rates, especially for borrowers with good credit and equity. A rate of 3-5% on a mortgage compares favourably with 5-10% or more on a personal loan.
• Larger borrowing amounts: If your project requires a significant sum — say £30,000 or more — remortgaging can provide access to amounts that would be difficult or impossible to obtain through a personal loan.
• Lower monthly payments: Because the borrowing is spread over a longer term (often 20-30 years), monthly payments are lower than a personal loan over a shorter term.
• Single monthly payment: Everything is consolidated into one mortgage payment, simplifying your finances.

Disadvantages:

• Higher total interest cost: While the rate is lower, spreading the borrowing over a much longer term means you pay significantly more interest in total compared with a shorter personal loan.
• Your home is at risk: The additional borrowing is secured against your property. If you cannot keep up with repayments, your home could be repossessed.
• Costs and fees: Remortgaging can involve arrangement fees, valuation fees, legal costs, and potential early repayment charges on your existing deal.
• Longer process: A remortgage typically takes four to eight weeks, which may not suit urgent projects.

Using a Personal Loan for Home Improvements

A personal loan is an unsecured form of borrowing that does not require you to use your home as collateral. You borrow a fixed amount, repay it over a set term (usually one to seven years), and the funds can be used for any purpose, including home improvements.

How it works:

• You apply to a bank, building society, or online lender for the amount you need.
• If approved, the funds are paid into your bank account, often within a few days.
• You repay the loan in fixed monthly instalments over the agreed term.

Advantages of a personal loan for home improvements:

• No risk to your home: Because the loan is unsecured, your property is not used as collateral. If you run into repayment difficulties, your home is not directly at risk (though persistent non-payment can still lead to serious financial consequences).
• Lower total interest paid: Although the rate is higher, the shorter repayment term means you pay less interest in total compared with adding the amount to your mortgage over 25 years.
• Speed: Personal loans can be approved and funded within days, making them ideal for time-sensitive projects.
• No impact on your mortgage: Your existing mortgage deal remains unchanged, so there are no ERCs, no valuation, and no legal work.
• Fixed payments: Most personal loans have fixed interest rates and fixed monthly payments, making budgeting straightforward.

Disadvantages:

• Higher interest rate: Personal loan rates are typically higher than mortgage rates. For borrowers with average credit, rates of 6-10% or more are common.
• Lower borrowing limits: Most personal loans cap at £25,000, though some lenders offer up to £50,000. For larger projects, this may not be sufficient.
• Higher monthly payments: The shorter repayment term means monthly payments are higher, which may strain your budget.
• Credit-dependent rates: The best personal loan rates are reserved for applicants with excellent credit scores. If your credit is less than perfect, the rate offered may be considerably higher.

Cost Comparison: How the Numbers Stack Up

To illustrate the difference between these two options, consider the following example. You want to borrow £20,000 for a kitchen and bathroom renovation.

Key observations:

• The monthly payment on the remortgage is significantly lower (£127 vs £401), which may make it more manageable on a tight budget.
• However, the total cost of the remortgage is over £6,000 higher because the interest is charged over a much longer period.
• The personal loan costs less in total despite the higher rate, because the debt is cleared in five years rather than twenty.

This example highlights the fundamental trade-off: remortgaging offers lower monthly payments but higher total cost, while a personal loan costs more each month but less overall.

The right choice depends on your cash flow, your financial priorities, and how comfortable you are with a higher monthly commitment. If you can afford the higher personal loan payments, it is usually the cheaper option in total. If you need to keep monthly costs down, adding the borrowing to your mortgage provides more breathing room.

It is also worth considering a middle-ground approach: remortgage to a new deal (if your current one is ending anyway) but take a personal loan for the home improvement costs separately. This way, you benefit from a competitive new mortgage rate without increasing your mortgage balance.

When to Choose a Remortgage for Home Improvements

Remortgaging is usually the better option in the following situations:

You need to borrow a large amount:

If your home improvement project costs £30,000 or more — for example, a significant extension or loft conversion — a personal loan may not cover the full amount or may come with a prohibitively high interest rate. Remortgaging provides access to larger sums at lower rates.

Your current mortgage deal is ending:

If your fixed rate is about to expire and you would be remortgaging anyway, adding extra borrowing for home improvements at the same time is efficient. You avoid the SVR, secure a new competitive rate, and fund your project — all in one transaction.

You cannot afford higher monthly payments:

If your monthly budget is tight, the lower payments that come with spreading the borrowing over a longer mortgage term may be essential. A personal loan with higher monthly payments could put unnecessary strain on your finances.

The improvements will significantly increase your property value:

If the improvements are likely to add substantial value to your home — for example, a well-planned extension in an area where space commands a premium — borrowing at a lower mortgage rate to fund value-adding work can be a sound long-term investment.

You have significant equity:

If you have built up substantial equity in your property, adding a modest amount to your mortgage keeps your LTV low and your rate competitive. The additional borrowing is a small proportion of your overall mortgage, minimising the impact on your finances.

When to Choose a Personal Loan for Home Improvements

A personal loan is often the smarter choice in these scenarios:

You are borrowing a modest amount:

For smaller projects costing up to £15,000 or £20,000, a personal loan is quick, simple, and avoids the costs and complexity of remortgaging. The higher monthly payments are manageable over a short term, and the total cost is lower.

You are in a competitive fixed-rate mortgage deal:

If your current mortgage rate is excellent and you have several years remaining with ERCs, breaking the deal to remortgage and raise additional funds could be very costly. A personal loan leaves your mortgage untouched and avoids triggering ERCs.

You want to keep the debt separate from your home:

An unsecured personal loan does not put your home at additional risk. If you are uncomfortable with the idea of increasing the debt secured against your property — even for home improvements — a personal loan provides peace of mind.

You want the debt paid off quickly:

Personal loans are typically repaid over one to seven years. If you want to clear the borrowing within a defined, shorter timeframe rather than carrying it for decades, a personal loan enforces this discipline.

You need the funds quickly:

Personal loans can be approved and funded in a matter of days, whereas a remortgage takes several weeks. If your project has a time-sensitive element — for example, a builder is available to start immediately — a personal loan gets the funds into your account much faster.

The project is cosmetic rather than structural:

For cosmetic improvements that may not add significant value to your property — such as redecorating, landscaping, or replacing fixtures — using a personal loan and repaying it quickly avoids paying long-term mortgage interest on a short-lived improvement.

Other Options Worth Considering

Beyond remortgaging and personal loans, there are several other ways to fund home improvements that may suit your circumstances:

0% interest credit card:

For smaller projects (typically under £5,000), a 0% purchase credit card can provide interest-free borrowing for 12 to 24 months or more. This is one of the cheapest ways to borrow, provided you repay the balance in full before the promotional period ends.

Secured loan (second charge mortgage):

If you need more than a personal loan can offer but do not want to remortgage, a secured loan sits alongside your existing mortgage. Rates are higher than a first charge mortgage but often lower than a personal loan for larger amounts. This option protects your existing mortgage rate.

Further advance:

Your existing mortgage lender may offer a further advance — additional borrowing on top of your current mortgage. This can be quicker and simpler than remortgaging, though the rate offered may not be the most competitive.

Government grants and schemes:

Depending on the nature of your improvements, you may be eligible for government grants or schemes. Energy efficiency improvements, for example, may qualify for support under various UK government programmes. It is worth researching whether any assistance is available before committing to borrowing.

Savings:

If you have savings available, using them to fund improvements avoids borrowing costs entirely. Consider whether the return you are earning on your savings is less than the interest you would pay on a loan — if so, using savings is the more cost-effective option.

Combining options:

You do not have to choose just one route. Some homeowners combine a remortgage with a personal loan or credit card, using the cheapest source for each element of the project. A financial adviser can help you structure the most cost-effective funding package.

Whatever route you choose, plan your budget carefully and build in a contingency of at least 10-15% for unexpected costs — home improvement projects frequently exceed their initial estimates.