LONDON — Long a trailblazer in beauty, Harvey Nichols is looking to do the same in wellness , opening a Pilates studio, offering aesthetic and therapeutic beauty services, and serving up functional drinks and a variety of vitamin supplements.

The store, which is in the midst of a three-year refurbishment, has torn up its fourth floor and dedicated the entire space to wellness with a 360-degree offer that also includes clothing and accessories. An announcement is expected Thursday.

“Well-being has become a core part of how modern luxury is defined by our customers,” said Lucy McPhail, Harvey Nichols ‘ beauty director.…