Stamp Price Increase 2024 Australia. Increase from $1.20 to $1.50. For ordinary small letters it would mean a 30 cent increase from $1.20 to $1.50, for ordinary large letters up to 125g, a 60 cent increase would take them from $2.40 to $3.

+61 2 9551 9720 email: Australia post has lodged a draft notification with the australian competition and consumer commission (accc), proposing an increase in the basic postage rate from $1.20 to.