Can I borrow more money on an existing loan?

Yes — in many cases, you can borrow more money on an existing loan. How you do it depends on your lender and your current deal.

Some lenders let you top up what you already have. Others ask you to start fresh with a new loan. Either way, it helps to know your options before you decide.

4 min read

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In a nutshell

  • You can often borrow more on an existing loan through a top up, a second loan, or refinancing.
  • If your lender agrees, a top-up loan lets you add money to a loan you already have, combined into one monthly repayment.
  • You can have more than one loan at the same time, but lenders will check you can afford both.
  • Before borrowing more, work out what you can afford — and consider free debt advice if unsure.
Zubin Kavarana

Written by: Zubin Kavarana

Personal Finance Writer

Last updated

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Edited by: Josephine Haagen, Personal Finance Writer

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What are my options if I need to borrow more?

If you need extra money and you already have a loan, you could have a few routes open to you:

Option

What it means

Top up your existing loan

Borrow more on top of what you already owe, with your current lender

Take out a second loan

Apply for a brand new loan with the same lender or a different one

Refinance your loan

Replace your existing loan with a bigger one at new terms


Not every provider offers all three options. It is always worth calling your lender first to find out what is available to you.

What is a top-up loan?

A top-up loan lets you add money to a loan you already have. Rather than applying for something brand new, you borrow extra on top of your current balance.

Your lender will usually combine both amounts into one new loan. You make a single monthly repayment — but the loan term may be longer, and your interest rate could change. This could mean paying more in interest overall.

How to top up a loan

  1. Contact your lender and ask if top ups are available on your loan
  2. Work out how much more you actually need
  3. Discuss this with your lender to understand terms
  4. Compare the new terms carefully: interest rate, monthly repayment, length of borrowing and total amount repayable
  5. Apply if you are happy with what is on offer

If your lender does not allow top ups, they may suggest a second loan or refinancing.

Can I get another loan if I already have one?

Yes. You can have more than one loan at the same time, and many lenders will still consider your application. What they really want to know is whether you can afford the repayments on top of what you already owe.

Loans for all purposes from £1,000 to £500,000

  • Get a decision online
  • Know your rate before you apply
  • Comparing won't affect your credit score

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Things to consider when applying for another loan

Before taking on another loan, it’s important to think about the following points:

  • Taking on more debt affects your debt-to-income ratio. Lenders use this figure to decide how much risk they are taking on. Bear this in mind when deciding how much you want to borrow.

  • Each new application triggers a hard search on your credit report. Always use an eligibility checker first - they use a soft search which will not impact your report negatively. This way you can only apply for a loan you are likely to be accepted for.

  • Missed payments on your current loan can affect your chances of approval. Getting approved for another loan will be harder but not impossible. Some lenders offer bad credit loans for people with less than ideal credit histories.

What does refinancing a loan mean?

Refinancing means replacing your current loan with a new one. The new loan pays off what you owe, and you start again with fresh terms — a new interest rate, a new monthly repayment, and a new end date.

If you need to borrow more money at the same time, you can refinance for a higher amount than your current balance so you have the extra funds available to you.

People refinance for a few different reasons:

  • To borrow more on top of what they already owe
  • To get a lower interest rate if their credit score has improved since their previous loan application
  • To reduce monthly payments by spreading the debt over a longer term

Remember that a longer term usually means paying more interest in total, even if each monthly payment is smaller. It’s always worth running the numbers before you commit to anything.

Which option is right for me?

Whether you’re topping up, getting a new loan, or refinancing, there are advantages and disadvantages to all three options:

Top up your existing loan

Take out a second loan

Refinance your loan

Advantages

No need to take out a separate loan, you add to what you already have.

One lender, less admin.

You can shop around for the most competitive rate rather than being tied to your existing lender.

Keeps your original loan terms intact. Useful if you are on a good rate you do not want to lose.

Can lower your monthly payments by spreading the debt over a longer term.

Good option if your credit score has improved.

Disadvantages

Not all lenders offer it.

Your rate may change when you top up.

Every full application leaves a mark on your credit file.

Managing two loans means two sets of repayments.

Extending your term means you are in debt for longer.

You will likely pay more interest overall, even if monthly payments are lower.

 

How much can I afford to borrow?

Before you take on more debt, work out whether you can comfortably afford it. Here is a simple way to check:

  1. Write down your monthly income after tax
  2. List all your outgoings — mortgage, rent, bills, food, existing loan repayments, and so on
  3. See what is left over each month

A common rule of thumb is that your total debt repayments should not take up more than 20–30% of your take-home pay. Go beyond that and things can get tight quickly.

A free loan calculator can also show you what different amounts and terms would cost per month before you commit to anything.

Should I borrow more?

More borrowing is not always the answer. It’s worth asking yourself:

  • Do I actually need this money, or could I wait and save instead?
  • Can I comfortably cover the extra repayment each month?
  • Have I looked at other options, like a 0% credit card offer?
  • Will borrowing more solve the problem — or just push it down the road?

If you are not sure, speak to a free debt advice service. Citizens Advice and StepChange both offer impartial guidance and can help you work out what makes sense for your situation.

Disclaimer: We make every effort to ensure content is correct when published. Information on this website doesn't constitute financial advice, and we aren't responsible for the content of any external sites.

Zubin Kavarana
Zubin Kavarana

Personal Finance Writer

Zubin is a personal finance writer with an extensive background in the finance sector, working across management and operational roles. He applies his experience in customer communication to his writing, with the aim of simplifying content to help people better understand their finances.

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