Often called the "Queen's English" or "BBC English". Describe it as polished , refined , upper-class , or articulate .
To make dialogue feel authentic without using hard-to-read phonetic spelling, focus on (word choice) and syntax : british accent
Depending on whether you are writing a script, a novel, or a social media post, " 1. Descriptive Language (For Writers) Often called the "Queen's English" or "BBC English"