5 factors to consider alongside interest rates when comparing mortgage deals

02/09/26

What’s the first thing you look at when comparing mortgage deals? The interest rate you’re being offered is likely to be among the most important factors.

The interest rate will determine your monthly repayments and the total cost of borrowing, so it’s not surprising this is what many people focus on. Yet, the interest rate is not the only part of an offer you should consider.

Whether you’re looking for a mortgage to buy a new home or remortgage your existing property, here are five factors to consider alongside the interest rate.

1. Mortgage type

While you’re considering the interest rate, be sure to check the mortgage type.

If you have a fixed-rate mortgage, the interest rate you pay will be fixed for a set period, such as two or five years. Even if interest rates rise, the amount you pay will remain the same. Conversely, you wouldn’t benefit from lower repayments if interest rates fell.

However, if you have a variable- or tracker-rate mortgage, the interest rate and the amount you pay could change throughout the deal.

2. Arrangement and product fees

A mortgage with a lower interest rate might come with a higher arrangement or product fee. As a result, you could benefit from considering the fee alongside the interest rate to calculate the overall cost.

What’s right for you will depend on your circumstances.

If you’re buying your first home, you might have a lot of expected expenses and want to cut back the amount you need to pay upfront. A higher interest rate with no additional costs might be more attractive.

Alternatively, if you have the money available, paying an arrangement or product fee might be more cost-effective overall.

You might be able to add the fee to your mortgage to avoid an upfront cost, although you’ll then potentially pay interest on the fee.

3. The ability to overpay

Overpaying your mortgage could help you become mortgage-free sooner and reduce the total amount of interest you pay over the full term.

Unlike taking out a shorter mortgage term, you’d be in control of when overpayments are made, either through a regular payment or a one-off lump sum. This flexibility means you can manage how quickly you pay off your mortgage alongside other financial commitments.

However, with some mortgages you could incur an early repayment charge (ERC) for overpaying.

If overpaying your mortgage is part of your plans, considering how much you hope to overpay and when could be useful. Choosing the right mortgage could minimise ERCs.

4. The mortgage term

The mortgage term refers to how long you have to repay the amount you’ve borrowed.

If you choose a longer mortgage term, your monthly repayments will usually fall. However, the total interest you’ll pay over the full term will rise.

You can often set the mortgage term you’d like, but mortgage lenders may impose a limit.

For example, if you’re aged 50 and want to repay the mortgage over 30 years, some lenders may only offer you a shorter term. This may be because you would reach the lender’s maximum age before the mortgage term ends.

Similarly, a lender may not offer you the mortgage term you want if they believe the repayments would be unaffordable.

5. Portability

Is there a chance that you will move before the mortgage deal ends? If the answer is “yes”, portability may be an important factor to consider.

A portable mortgage may allow you to transfer your existing deal to another property, subject to your lender’s criteria and affordability checks. This could help you avoid paying an ERC when you move.

You should note that if your new home is more expensive than your current one, you’ll often need to take out a second mortgage to bridge the gap. This second mortgage may be subject to a different interest rate and terms.

We could help you assess mortgage deals

We can act as your mortgage adviser to help you assess different mortgage deals. We’ll discuss what’s important to you, so we can find options that suit your needs. Please get in touch if you’d like to arrange a meeting.

Please note:

This article is for general information only and does not constitute advice. The information is aimed at individuals only.

All information is correct at the time of writing and is subject to change in the future.

Your home may be repossessed if you do not keep up repayments on a mortgage or other loans secured on it.

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Blog

5 factors to consider alongside interest rates when comparing mortgage deals

1. Mortgage type

2. Arrangement and product fees

3. The ability to overpay

4. The mortgage term

5. Portability

We could help you assess mortgage deals

Please note:

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Testimonials

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Blog

5 factors to consider alongside interest rates when comparing mortgage deals

1. Mortgage type

2. Arrangement and product fees

3. The ability to overpay

4. The mortgage term

5. Portability

We could help you assess mortgage deals

Please note:

Recent posts

Testimonials

Get in touch

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