Mortgage Calculators

Find out how much you can borrow, save and repay with our mortgage calculators below.

Try the Mortgage123 Calculators

You can use our online calculators to get a quick idea of the numbers – how much you can borrow, what the repayments will be or if you can switch & save. 

First Time Buyers

How much can you borrow as a First-Time Buyer?

Switch and Save

How much can you save by switching your mortgage?

Mortgage Repayments

What are your monthly repayments?

Monthly Repayments

Mortgage Guide

Get the information you need to start your journey to buying your dream home!

Mortgage Checklist

A list of the key documents you need when applying for your mortgage.

After AIP Guide

If you have Approval in Principle, this guide will help you with the next steps.