KX
This ultra-exclusive celebrity-frequented private members club in prime Chelsea represents the pinnacle of London's luxury wellness scene. Seven studios offer 80-100 weekly classes from yoga to boxing with elite trainers, while the full-service spa includes sauna, steam room, physiotherapy, and osteopathy services. The KX restaurant serves nutritionist-designed menus with fresh seasonal ingredients and post-workout recovery shakes. Personalized wellness assessments create bespoke programs, while intimate small classes maintain the exclusive atmosphere. Modern design features dark woods, teak floors, and plush changing rooms with laundry service, creating what members describe as 'Beverly Hills in South Ken' with spa-like calm and social club sophistication.
What's Great
✓ Seven studios with 80-100 weekly classes and elite trainers
✓ Full spa with sauna, steam, physiotherapy, and nutritionist restaurant
Keep in Mind
× Membership starts at £615/month plus £1,000 joining fee

Christoff's Tip:
Hit the 6:30am classes when celebrities actually show up for less crowded, high-energy sessions