The average salary for a Postman working for Royal Mail in London is estimated to be around £25,830 per year. This figure is slightly lower than the overall average salary for similar positions within the company, which is approximately £26,000 annually. The difference of 1% indicates that while the pay for Postmen is competitive, it may vary slightly based on factors such as experience, specific job responsibilities, and location. Additionally, it is important to consider that salaries can also be influenced by the cost of living in London, which is notably higher than in other regions of the UK. Therefore, while the salary may seem modest, it is essential to evaluate it in the context of the local economy and the benefits that come with working for a well-established organization like Royal Mail.