Sometimes you don't have the time, money, or the "go get'um" to give your ensuite bathroom the complete overhaul you've wanted for years. On top of that, you've been sufficiently freaked out from watching renovation shows that depict renovations throwing family life into unmitigated chaos. But it's just the ensuite, right?
It's not like it's in the center of the house. After mulling it over for a few months, you relent, and hire a contractor.