Mortgage Affordability Calculator

How much will I be able to borrow?

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You can use our mortgage calculator to get an estimate of what you may be able to borrow based on your income and financial commitments.

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This calculator provides an indication only, it is not a legally binding mortgage offer and places the lender at no obligation to provide you with a mortgage.

Please note that when you apply, our mortgage staff will carry out an additional assessment to ensure you have the ability to repay as well as verifying your income multiple.

This information does not contain all of the details you need to choose a mortgage. For an overall cost for comparison, please select the mortgage product you are interested in and request a Key Facts Illustration before you make a decision.

Please note currently our online mortgage application is only compatible with Internet Explorer 6+ and Firefox 2+ web browsers.


If you would like to get an indication of how much your monthly repayments will be, please use our repayment calculator

For more information or a free, no-obligation personal quote, call us on 0800 707 6206**

or request a call back. Lines open 8.30am – 6.00pm weekdays, 9.00am – 1.30pm Saturday, closed Sunday and Bank Holidays.

**Calls are recorded for training and monitoring purposes.

Ready to get started? Get a quote or apply

Your Finances Why choose the Post Office

Post Office mortgages are provided in partnership with the Bank of Ireland UK and combine high levels of service, trust and financial expertise to give you a service you can rely on.

Your Finances Making mortgages clearer

What are mortgages and how do they work? Discover all this and more with our handy guide to mortgages.

Small print

Please note our online mortgage application is only compatible with Internet Explorer 6+, Firefox and Safari web browsers.

Subject to status. Written illustrations available upon request. Borrowers must be aged 18 or over.

Post Office Limited is an appointed representative of Bank of Ireland (UK) plc which is authorised and regulated by the Financial Services Authority. Bank of Ireland UK is a trading name of Bank of Ireland (UK) plc which is registered in England & Wales (No. 07022885), Bow Bells House, 1 Bread Street, London EC4M 9BE. Post Office Limited is registered in England and Wales. Registered No 2154540. Registered office is 148 Old Street, London EC1V 9HQ. Post Office and the Post Office logo are registered trademarks of Post Office Limited.

Ready to get started?

Make an application

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Can we help?

To discuss your mortgage needs, call

0800Calls to 0800 numbers are normally free from UK landlines but charges may apply from mobile phones. Calls may be monitored or recorded for training and compliance purposes. 707 6206

8.30am-7.30pm, Mon-Fri

9am-1.30pm, Sat

Read our FAQs

How much?

Find out with our tools:

How much would my monthly mortgage payments be?

To request an in-branch Mortgage appointment, please visit:

In-Branch Appointment Request