Cost Of Second Class Stamp 2025 Cost. The move comes as royal mail claim a. Similarly, for a second class medium parcel weighing between 10kg and 20kg, the savings amount to £1.00 per parcel, reducing the cost from £10.49 (stamp) to £9.49 (franking).

From 2 april 2025, the price of first class stamps will increase by 10p to £1.35 and the price of second. Royal mail has announced that from april 2025, the price of stamps will go up.