And does the bank regulator not now forbid this? That is giving buyers no lee way and possibly negative equity from day one, which furthermore erodes their chances of switching lender if they should wish to do so.
OP - you have no guarantee you salary will go up as we have signs of deflation. Save a good deposit and wait until you are at least six months in the job to see how your spending patterns are and therefore you will have a better idea of affordability.