Stamp Prices 2025 Royal Mail Stamp Prices. Find out how much a 2nd class stamp costs and what features it offers for less urgent mail. The tariff 2025 £2.50 stamp is printed in gooseberry green and features the king’s effigy.

See the tables for different mail types and weights, and learn how to use franking machines for efficient and cost. Compare the stamp and mailmark prices for this service and see how a mailmark franking machine can benefit you.