Earnings, level of deposit and credit rating are all taken into consideration by mortgage lenders when they decide what you can borrow.
Each lender works differently and your best bet is to speak to a broker such as AWA who’ll have a clear idea whose criteria suit your circumstances best and can estimate what they’d lend you.
In the meantime to give you a very rough idea of your potential property shopping budget, the following mortgage calculator may come in handy.  Don’t be disheartened if it doesn’t come up with the figure you’d hoped for – there may be plenty of other options available to you.

www.themortgagetimes.com/calculator.html