We've built these mortgage calculators to help you understand the options available to you. You can find out how much you could potentially borrow, what your Stamp Duty could be, or how much a monthly repayment might be.

After using a calculator, our expert advisers are only a click or a phone call away. They'll be able to help you understand exactly what you could borrow based on your circumstances. With over 2,000 advisers with access to over 12,000 mortgages, we're here to help find the right deal for you.

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Borrowing

How much can I borrow?

Head to our borrowing calculator to find out how much you can borrow based on your income

Borrowing amount calculator
Repayment

Mortgage Repayment Calculator

Find out how much your mortgage payments are likely to be based on interest rates and terms

Mortgage repayment calculator
Stamp Duty Icon (1)

Mortgage Affordability

We’ll search through a pool of over 50 lenders to find an estimate of your mortgage affordability. No credit checks required.

Mortgage Affordability Calculator
Remortage

Looking to
remortgage?

Head to our calculator and enter a few details to compare remortgage deals currently on the market.

Remortgage calculator
Stamp Duty

How much is
Stamp Duty

Before buying, it's important to calculate Stamp Duty fees in England, Scotland, or Wales. 

Stamp Duty calculator
Repayment

Mortgage rates
and repayment

Compare current mortgage deals and find out what your interest rate and monthly repayments could be.

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Important

Your home may be repossessed if you do not keep up repayments on your mortgage.

There may be a fee for mortgage advice. The actual amount you pay will depend on your circumstances. The fee is up to 1% but a typical fee is 0.3% of the amount borrowed.

MyMab App

How to get mortgage ready?

Getting mortgage ready means making sure you're as prepared as you can be when the time comes to submit your paperwork. Here's what you need to know.

Buying a new home is an exciting process, even if you've never applied for a mortgage before. Working with an expert adviser can make it easier to get mortgage ready.

Whether you're buying your first home, considering a remortgage, or thinking of relocating, there are certain steps you can take to speed up the mortgage process. Getting yourself as mortgage ready as possible means you'll find yourself in a much stronger position when it comes time to apply for your mortgage.

Check out our My MAB app to help you save, plan and track every stage of your homebuying journey.

Learn more about the MyMab app

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Stay up-to-date with the latest mortgage news 

Jam-packed with helpful information and advice, you'll always know what's happening in the industry and how it might affect you.

34130
Total reviews
Excellent
4.9
Average Rating
A Valued Customer
David (Blunden) is amazing, he’s been so helpful from the very start. Would recommend him to anyone.
Posted 05 Aug 2026
A Valued Customer
Very impressed with the overall service received very simple and straightforward process from start to finish. Online processes make checking and document scanning easy and fast. Highly recommend.
Posted 05 Aug 2026
A Valued Customer
Excellent people to deal with. They take the stress off your shoulders. They explain everything plain and simple. Highly recommend.
Posted 05 Aug 2026
Kirsty Weldon - GBR
margaret is fantastic as always
Posted 05 Aug 2026
Faye - GBR
Shannen has been so helpful and patient through the entire process with nothing being too much trouble and always keeping me in the loop.
Posted 05 Aug 2026
Rebekka Jones - GBR
Alex has been brilliant throughout. So helpful and happy to explain things as many times as necessary so you are fully aware of the process. Thank you for all your hard work Alex! x
Posted 05 Aug 2026
Nat Hamilton - GBR
Due to distressing family circumstances, I found myself renting in February 2024. It took me a while to get over the loss of my previous home and I finally felt ready to look for a new home in the autumn of 2025, as I knew I did not want to stay in my rental home forever. I started looking for a house in October 2025, found one I loved and started the mortgage process via another broker. Unfortunately, it was classed as a zero valuation as the construction was outside the lenders lending criteria. I found another broker and restarted the process. Again, got to valuation stage but the valuer stated it was not suitable security. Although I really wanted the house, I listened to Pip’s reasoning and found another house that same month. I viewed it, really liked it, knew it was within budget, and made an offer, which was accepted. I updated Pip, who started the process and found a lender who could work with my history and budget. Pip was a true godsend. He remained calm and positive throughout the initial process. That helped a lot as although I am resilient, the previous experience with the other house had left me feeling deflated. Then Pip truly worked his magic with the lender. My case was then passed on to Emma, who chased any documents requested and kept me up to date with the process. I leapt for joy when I found out one of the areas I had been dreading - the valuation - had been completed and was absolutely fine! On 4th August, I ugly cried when Pip called me just after 10am. We chitchatted about the whole journey and then Pip revealed my mortgage offer had just come through! I’ve not been an easy client profile at all but Pip has been amazing throughout all of this. We all have life experiences that knock us sideways, but there are people who are always willing to help insofar as they can. Pip is genuinely one of those people. He loves what he does and does it extremely well! To Pip, Emma, and Dominic (who is arranging my my life insurance and critical illness cover) at MAB, I will never be able to find the right words to be able to thank you for all you have done for me. You really have been instrumental in brightening my family’s future and for that, I will be eternally grateful.
Posted 05 Aug 2026
Finty Farrell - GBR
Shan Payne our mortgage advisor could not have been anymore prompt or helpful, especially as first time buyers. Alongside collaborating with Clare Knighton, their responses and updates were efficient, knowledgeable and easily legible. Myself and my partner cannot fault the service we’ve received and are over the moon with the pace of our progress and feeling confident in our understanding of the buying process.
Posted 05 Aug 2026
Janet Smart
Always very supportive and a good communicator. I find James very trustworthy and always feel reassured when he handles my mortgage deal.
Posted 05 Aug 2026
Amanda Hagen
Posted 05 Aug 2026

Questions about our mortgage calculators

What are mortgage calculators?

Our mortgage calculators are digital tools designed to help you estimate your potential borrowing power and mortgage repayments. They’re a handy way of helping you understand your financial commitments before speaking to one of our expert advisers.

Is using our mortgage calculators right for you?

Our free digital tools are designed for anyone looking to purchase a home. This means if you’re a first time buyer, someone looking to move home, or you’re on the hunt for a remortgaging deal, our calculators are for you.

What information do I need to use a calculator and how does it work?

We have several handy calculators for borrowing, mortgage repayments, remortgaging, and Stamp Duty.

These all require two to three pieces of key information, which the calculators then use to provide you with an indication on what the potential costs could be.

Please remember that lenders also take a close look at other factors. These will include your credit score, financial history, and personal expenditures. All of this information will affect the actual calculation of your mortgage and monthly repayments.

Our mortgage calculators empower you to be as informed as possible when it comes to finding the right mortgage deal for you and your circumstances.

What are the next steps after using the calculators?

If you’d like to discuss moving forward with your homebuying journey, our expert advisers are here to help provide guidance and answer any questions you may have. You can also download the My MAB app, which allows you to save, plan, and track every stage of buying your new home and beyond.

Need more help?

Perhaps your needs are a little more complex? Our expert advisers will be happy to help you.

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