Mortgage Repayment Calculator

Curious about mortgage costs?

Use our mortgage repayment calculator to quickly estimate your potential monthly repayments and plan your budget with confidence.

NO CREDIT CHECKS, and only takes a few minutes! 

Explore more mortgage topics

Whether you’re a first-time buyer or switching deals, these guides can help you understand how different mortgage types and situations can affect your monthly repayments.

Couple happy about figures from mortgage affordability calculator on laptop.

Mortgage affordability

Understand what you can realistically afford to repay each month based on your income and expenses.

A woman talks about her options with a bad credit specialist mortgage broker

Bad credit mortgages

Find options designed to help those with credit challenges secure manageable repayments.

Woman gleeful about her self employed mortgage deal whilst reviewing terms on his tablet.

Self-employed mortgages

Learn how freelancers and business owners can find mortgage deals suited to their income.

Man gleeful about his buy to let mortgage deal whilst reviewing terms on his tablet.

Mortgages for landlords

See how landlords manage repayments differently and what to expect from buy-to-let mortgages.

woman celebrates shared ownership mortgage

Shared ownership mortgages

Understand how repayments work when you own a share of your home rather than the full property.

Three friends talk about the mortgage application process.

The application process

Get a clear picture of what happens when you apply for a mortgage in our helpful step-by-step guide.

Woman holds up piggy bank after learning about mortgage deposits and applications.

Understanding mortgage deposits

Discover how your deposit size can affect your monthly repayments and borrowing limits.

elderly couple happy with new remortgaging situation.

Remortgaging guides

Understand your options for switching deals and how it might impact your repayment plan.

Frequently asked questions

Our quick and easy mortgage repayment calculator is a great way to prepare for a mortgage application.

Understanding what your repayments could be can allow you to budget effectively. The calculator allows you to select the interest rate that is applied to the calculation. This means you can keep in line with the current market. You can also select the duration you wish the mortgage is to run for, allowing you to experiment with costs.

Furthermore, our mortgage calculator can give you reassurance that you are being realistic before you start looking at properties.

If you want to get a more detailed understanding of what you could borrow, reach out today. Our expert advisors are on hand to advise you every step of the way.

You’ll be pleased to know that all our mortgage calculators have no effect on your credit score, so you don’t need to worry about only using it once.

Our calculators are in place to give you an idea of your borrowing capabilities, ensuring you’re in the best position possible when applying for a mortgage.

Our monthly mortgage repayment calculator takes the desired loan amount, anticipated interest rate, and loan duration, and will also ask you if you wish to opt for an interest-only or repayment mortgage product.

From this information it can give you an indication of what your monthly payments would be over the set period at a set interest rate. You’ll need to remember that this is just a guide and mortgage products can vary from lender to lender.

Choosing the right mortgage product is a pivotal decision, and one of the biggest choices is between an interest-only mortgage and a repayment mortgage. Both have their merits, but they serve very different financial goals

With an interest-only mortgage, your monthly payments cover just the interest on the loan. This keeps your payments low, freeing up money for other investments or expenses. However, at the end of the term, you’ll still owe the full loan amount. That’s why it’s essential to have a robust repayment plan in place, whether through savings, investments, or the sale of the property.

On the other hand, a repayment mortgage gradually reduces the loan balance over time. Each month, your payment covers both the interest and a portion of the principal. By the end of the term, the property is entirely yours. This option offers peace of mind for those who want to minimise debt and build equity steadily.

When obtaining a mortgage, a lender will charge you for borrowing the money from them. This is known as interest, and it is paid back on top of the money you borrow[3].

It’s calculated as a percentage of the total loan amount (how much you are borrowing). For example, if you borrow £200,000 at 5% interest your total interest would be £10,000.

As the loan amount reduces, you will begin to pay less interest. This is because the percentage used will likely stay the same but the loan amount decreases. For example, if you have paid off £15,000 of your mortgage, your new loan amount is £185,000. So, a 5% rate would leave you with £9,250 in interest.

If you want to understand what interest rates you could be subject to, get in touch today. Our experienced advisors can discuss this with you over a free no-obligation consultation call.

Navigating the mortgage market can feel daunting, especially when every decision carries long-term financial implications. That’s where a mortgage advisor can make all the difference. But when is the right time to seek professional guidance?

For most buyers, the earlier, the better. Speaking to an advisor before you even begin your property search can help you understand how much you can realistically afford[6]. With pre-approval in hand, you’ll have a clearer idea of your budget and greater confidence when making offers.

Advisors can also be invaluable when you’re comparing mortgage products. With so many options available – fixed rates, trackers, interest-only products – it’s easy to feel overwhelmed. An expert can break down the complexities and recommend the best product for your circumstances.

If you’re considering remortgaging, an advisor can guide you through the process and ensure you’re getting the most competitive deal. They’re also a great resource if your financial situation is unique, such as being self-employed or having multiple income streams.

Excellent

4.98 based on 936 reviews

Mamita Gurung

Verified user

⭐⭐⭐⭐⭐ Outstanding service from start to finish! I cannot recommend Mark Gardiner highly enough as a mortgage advisor. From our very first conversation, he took the time to fully understand my financial situation, goals, and concerns, and explained every step of the process in clear, simple terms—no confusing jargon at all. Mark went above and beyond to find the best possible mortgage deal tailored exactly to my needs, comparing options thoroughly and always keeping me updated with regular progress reports. He was incredibly responsive, patient, and proactive throughout, anticipating potential issues and resolving them quickly to keep everything on track. Thanks to his expertise, attention to detail, and genuine commitment to getting the best outcome for me, what could have been a stressful process felt smooth and straightforward. I felt completely confident and well-supported at every stage. If you’re looking for a knowledgeable, trustworthy, and dedicated mortgage advisor, Mark is the person to choose. I would not hesitate to use his services again or recommend him to friends and family.I will definitely use him in the future too. Great work

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United Kingdom, 4 days ago

Lisa-Marie Davis

Verified user

We were recently supported by John during our house sale and onward purchase. Everything was effortless and we were kept informed in a timely manner. John also supported us with updating our life insurance and even with some complications and delays John was committed to finding us the best deal and ensuring we had everything covered that we needed.

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United Kingdom, 4 days ago

Taranjeet Minhas

Verified user

I have been using Needham Mortgage centre for the last 15 years and have always received a brilliant and unbiased professional service. Recently introduced them to a work colleague who is a first time buyer and I tell you what, they havent let me down. Will highly recommed them anyone and everyone, all day & everyday!

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United Kingdom, 4 days ago

Lauren Bell

Verified user

John was absolutely amazing throughout what turned into quite a lengthy process. He was incredibly patient, kept in regular contact, and made sure we were fully informed every step of the way. His communication and support made a huge difference, and we’re really grateful for everything he did for us.

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United Kingdom, 4 days ago

Anonymous

Verified user

John and Niki were extremely helpful in arranging our recent re-mortgage. We were able to get a good fixed rate for the next five years. Any questions were answered promptly. I couldn't recommend Mortgage Centre highly enough.

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United Kingdom, 4 days ago

Rory Gooding

Verified user

I couldn't recommend Needham Mortgage Centre highly enough. From the start to the end of buying our first home, Jordan provided us with clear guidance and exceptionally prompt responses to any queries we had. For what we expected to be a stressful and confusing part of buying our first house, the Needham Mortgage Centre couldn't have done any more to make it understandable and stress-free.

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United Kingdom, 5 days ago

Heidi Jennings

Verified user

Mark provided friends and top tier service, he found us a mortgage that worked really well for us, and talked us through all the options so we could make informed decisions. He supported us throughout the entire process with getting our mortgage in principle when looking to buy, right up until completion, we look forward to returning to his service when our mortgage needs renewing. He also put us in touch with other members of the team who helped us with all the different types of insurances, which made the process of buying as a first time buyer so smooth. Thank you for all your support Mark and the rest of the team.

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United Kingdom, 6 days ago

Jordan Hamlin

Verified user

We as first time buyers was worried with the the mortgage process but we had Jordan Gardiner who was brilliant finding us the best deals. He is very knowledgeable and professional explaining everything very efficiently and always replying very quickly if we had any questions at all. He had made the process totally stress free. I would 100% recommend Needham Mortgage Centre to anyone looking to remortgage or are trying to get on the property ladder.

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United Kingdom, 6 days ago

Charlotte Gardiner

Verified user

Needham Mortgage centre has been incredible throughout our last two moves. They have provided us with excellent advice and support. They kept us updated and chased others where needed. Excellent service.

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United Kingdom, 6 days ago

Elizabeth Twyman

Verified user

We have used Mark from Needam morgage centre for the purchase of our home a few years ago and now to remortgage. He is an expert in his field and knows everything there is to know. Would never use anyone else. Highly recommend.

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United Kingdom, 1 week ago