At Royal Mail, the average monthly salary for a postman is approximately £2,000. This figure represents the base salary, which is the standard pay before any additional earnings are considered. In addition to the base salary, postmen may receive an average of £17 per month in supplementary pay. This additional compensation can come from various sources, such as cash bonuses, stock options, commissions, profit sharing, or tips. The total monthly earnings can vary based on factors such as experience, location, and the specific role within the organization. Overall, while the base salary provides a solid foundation, the potential for additional earnings can enhance the overall compensation package for employees at Royal Mail.