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.

34556
Total reviews
Excellent
4.9
Average Rating
Robert Byrom - GBR
very efficient service
Posted 05 Oct 2026
Tom Greenhill - GBR
Simon was an absolute pleasure to work with. He was polite and professional throughout, built a strong rapport with us, understood our needs and demonstrated great knowledge of the market and our options. He was accessible and very helpful at all times. Made a potentially daunting and stressful task feel easy. A breath of fresh air.
Posted 05 Oct 2026
Georgiana-Andreea Oprica - GBR
very proffesional and reliable
Posted 05 Oct 2026
Sabina - GBR
Chloe has been amazing for us once again!! We first found MAB through Google as FTB who didn’t have a clue! Chloe explained everything at every stage and 2 weeks later we had the keys to our first home! 4yrs in we’ve just got a renovation loan, and once again Chloe has been amazing and all has been approved within weeks! Chloe is an absolute asset to MAB, and we’re so lucky to have been assigned to her! 1000% recommend!
Posted 05 Oct 2026
A Valued Customer
The service is excellent, we were talked through all our options and what would be best to do.
Posted 04 Oct 2026
Katie Macdonald - GBR
I can’t thank James and Sean enough for all the help they gave me. In particularly James. He is an exceptional member of the team and was there for me for every step of the process. As a first time a time buyer I felt a at ease and supported by James at all times and he was always there to answer any of my questions. Once again thank you very much!
Posted 04 Oct 2026
Peter Coppin and Elizabeth Coppin - GBR
We both found Kate Fuller and her team professional, supportive, helpful and important of all patient in their explaination of the process to us.
Posted 04 Oct 2026
A Valued Customer
Excellent service. I was completely clueless about the process of applying for a mortgage and didn’t know where to start. I have been informed consistently about everything and always had my questions answered promptly. Libby has been fantastic in helping me through this process and securing a mortgage for me.
Posted 04 Oct 2026
Sarah Kay
Posted 04 Oct 2026
A Valued Customer
Excellent and very helpful in finding our mortgage. Thank you
Posted 04 Oct 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.

Request a call back

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