Gatwick’s current expansion and upgrade plans include work connected to its rail infrastructure and how it is funded. One reported element is a £250 million upgrade of the airport’s railway station, which is said to have been completed in November 2023. This investment is framed as part of improving capacity and passenger and operational access to the airport. The available information provided from the outlets also refers to questions about financing—specifically who ultimately pays for different parts of the programme. However, in the material supplied here, additional details about other expansion components, costs, and funding arrangements (such as whether the work is paid for by airlines, passengers, investors, or government-linked bodies) are not included in full. As a result, the confirmed shared point across the sources provided is the completion of the £250 million rail station upgrade in November 2023. Further specifics on the broader expansion plan and the full payment structure are not available from the excerpted text supplied from all outlets.