Stamp Cost 2024 Australia. Effective from april 3, 2024, stamp prices will surge by up to 25 per cent, marking a significant increase in postage expenditure for individuals and businesses alike. Eshe nelson reported from london and danielle kaye from new york.

Large letters weighing up to 125g, affixed with a stamp, will now be priced at $3, up from $2.40. Australia post notified its intention to increase stamp prices on 26 february 2024.