Stamp Prices 2025 Royal Mail 2025. This is the new postage rate for international letters effective from 7 october 2025. The october 2025 tariff £2.80 stamp is printed in ‘slate blue’ and features the king’s effigy.

View the royal mail signed for prices 2025 below. For customers using franking machines, there has been no change to your letter and parcel prices.