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What is an Offset Mortgage?

Last updated: March 25, 2024

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Welcome to our guide on offset mortgages. We will break down the jargon, explore when an offset mortgage might be right for you, and highlight some of the potential pitfalls.

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Offset mortgages explained

So, what is an offset mortgage? Essentially, it is a type of mortgage that allows you to link a savings account to your mortgage balance. This means that the money in your savings account is ‘offset’ against the size of your outstanding mortgage. You are then only charged interest on the difference between the two.


Let’s break it down a little further with an example. Say you have borrowed £300,000 to buy a property and have £30,000 in a separate savings account. With a traditional mortgage, you would pay interest on the full £300,000 you have borrowed. However, with an offset mortgage, you would only pay interest on the difference, – £270,000 in this case. One of the key benefits, therefore, is that over the lifetime of your mortgage, this could potentially save you thousands of pounds. 


When might an offset mortgage be right for you?

If you have significant savings that you are not planning on using anytime soon, the benefit of an offset mortgage is that it can be a great way to put your savings to work. By linking your savings to your mortgage balance, you can potentially save a lot of money on interest charges.


Another scenario where an offset mortgage might be appropriate is if you are self-employed or have an irregular income. With an offset mortgage, you can make overpayments when you have surplus income and then draw on those overpayments if you have a leaner month. This can help you to manage your cash flow and reduce your overall mortgage balance.


Finally, if you are looking for a tax-efficient way to use your savings, an offset mortgage could be the answer. You will still get a return on your savings, but it is in the form of reduced mortgage interest charges, rather than the amount of interest earned on your savings accounts. Plus, the money in your savings account is still there and can be accessed if you need it.


What are the pitfalls of an offset mortgage?​​

Now, let us take a look at some of the potential disadvantages of offset mortgages. First and foremost, you will need a significant amount of savings for an offset mortgage to be worth it. If you only have a small amount of savings, you may be better off with a traditional mortgage that offers a lower interest rate.


It is also worth noting that not all mortgage lenders offer offset mortgages, so your options may be limited. And, even if your mortgage lender does offer an offset mortgage, the interest rates are often higher than those on traditional mortgages. So, it is important to do your research and make sure you are getting a good deal.


Another potential pitfall is that you will be giving up the interest that you could be earning on your savings. This might not be an issue if interest rates are low, but if they begin to rise, you could potentially miss out on a lot of interest earnings. And, if you need to access your savings for any reason, it could impact the size of your monthly repayments.

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Withdrawing your savings if you have an offset mortgage

One of the best things about having an offset mortgage is the ease of access the savings account you have linked to it. Unlike remortgaging to release equity, withdrawing money from your savings account is cheaper and much more simple.


However, it is important to note that dipping into your savings account will lower the amount that can be offset against your mortgage loan, ultimately increasing your monthly payments. Not only that, but some lenders may insist that you maintain a minimum balance in your savings account.


Final thoughts on offset mortgages

Offset mortgages can be a great option for those who want to save on interest and pay off their mortgage faster, while having the flexibility to access their savings when needed. You can use an offset mortgage calculator to figure out how it might work for you. With a clear understanding of the jargon and the different scenarios when an offset mortgage may be appropriate, you can make an informed decision as to whether this type of mortgage is right for you.


However, it is important to make sure you are aware of the potential pitfalls, such as the reduction of offsetting if you withdraw funds from your savings account and the requirement to maintain a minimum balance. 


Overall, an offset mortgage can be a powerful tool for managing your finances and achieving your home ownership goals. As always, our advice is ‘get advice!’. Find a reputable and experienced mortgage advisor who can walk you through the whole process and take the time to help you understand every aspect of this form of loan structure.


At Hudson Rose we are proud of our excellent Google rating and the incredible reviews our happy clients leave us. Give us a call today on 0330 122 9920 or book in for a chat (free of charge) with one of our expert advisors.

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Hudson Rose Services Ltd is an Appointed Representative of Stonebridge Mortgage Solutions Ltd, which is authorised and regulated by the Financial Conduct Authority.
Hudson Rose Services Ltd, trading as Hudson Rose. Registered Office: 7 Bridge Street, Nailsworth, Stroud, GL6 0AA
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