Boutique London Stay with Gym Access in Mayfair

by | Aug 23, 2026 | Latest News

Photo credit: © Nordic Balance

At 9 Hertford Street, your London stay comes with exclusive access to two of the capital’s leading gyms – Nordic Balance and Volt50 – allowing you to continue your training and self‑care routine effortlessly while you’re in central London.

Nordic Balance (St James’s Square)

Nordic Balance gym and health club is the perfect place to relax and unwind. Set in the exclusive In & Out Club in St James’s Square, it has fantastic gym facilities, a pool, spa, sauna and steam room. Its team of experts offer first class physiotherapy, sports massage, exercise rehabilitation, osteopathy, chiropractic treatment, podiatry and shockwave therapy. It’s also home to London’s oldest private squash court. Discounted rate day passes can be purchased from our concierge (week and month passes are also available at the gym), and squash court slots can be reserved ahead of your visit. Highly recommended, Nordic Balance is an absolute treat to work out in.

Volt50 (Queen Street)

Volt50 on Queen Street is a boutique fitness studio offering a dynamic range of expertly delivered classes and personal training. This no-machine setting has been thoughtfully designed with gentle lighting, dark walls, mirrors and luxurious touches, offering a sanctuary where you can focus on your wellbeing journey without the distractions of noise. With a fantastic team of London’s finest trainers, the programme of classes includes Pilates, barre, yoga, sound baths, HIIT, ShredFast and Sanctum. They also offer fantastic red light therapy sessions. We have a special code for guests to use upon booking to receive an exclusive discount.

Across both gyms, you’ll find a wide variety of classes, expert coaching and premium equipment to suit every fitness level and interest.

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