Cheltenham, the United Kingdom, is a blend of traditional and modern culture. Generally, no particular dress code is prescribed, but smart casual attire is preferred when visiting finer restaurants or attending events such as the Cheltenham Festival. As for etiquette, British standards apply: Courtesy is appreciated, tipping is common but not required, and queuing is expected. However, always check the dress code of the specific event or the venue's policies to ensure it is appropriate.