Stamp Prices 2025 Royal Mail 2025. Royal mail has announced it will increase stamp prices by 10p (13 cents) from april 2, with first class rising to £1.35 (us$1.72) and second class increasing to 85p (us$1.08). This is the new postage rate for international letters effective from 7 october 2025.

You can now make even. Need more pricing information about royal mail products and services?