Price Of Postage Stamps 2025 Australia. Australia post has lodged a notification with the australian competition and consumer commission proposing to increase the price. The pricing for all of our retail products and services is set out in our post charges guide (pdf 979kb).

Large letters weighing up to 125g, affixed with a stamp, will now be priced at $3, up from $2.40. Australia post has lodged a draft notification with the australian competition and consumer commission (accc), proposing an increase in the basic postage rate.