Work out on Olympic standard gym equipment

Large, panoramic windows ensure our spacious gym areas are flooded with natural light, in addition to state of the art air-conditioning to help our members enjoy the ultimate workout. 

With some of the UK’s finest gym equipment, including a wide selection of the latest cardiovascular equipment and a dedicated free-weights room, The Lab gym has been thoughtfully designed to improve fitness levels and provide much-needed variety to your workout.  

Our team of experienced and professional gym staff are always around to provide advice, encouragement and support.

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Swim and relax in the day spa

Take advantage of our stunning 25 metre indoor swimming pool. Cleansed with the latest UV light technology for the highest levels of water clarity and quality, our swimming pool ensures members enjoy a more refreshing, and ultimately healthier, swimming experience. Our swimming pool boasts twin spa baths, luxurious relaxation areas, marble steam rooms and Scandinavian saunas. Members and non-members alike can also luxuriate in our stylish day spa, or treat yourself to a wide array of spa treatments and holistic therapies.

We have partnered with First Swimming who offer a range of adult swimming lessons for you to choose from. Whatever your age, physical ability or past experience, you too can learn to swim with a new sense of freedom. 


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The ultimate studio experience

All our gym classes are taken in one of two specially designed studios with full air conditioning throughout for a more enjoyable workout.

Our holistic studios are equipped with a sprung wooden floor and elevated stage to help all members better follow the teacher. Perfect for your Yoga, Tai Chi or Pilates classes.  

Our bespoke energetic studios have been carefully developed for upright toning and high cardio workouts, with disco lighting for the ultimate Zumba and calorie burning sessions. We challenge you not to be motivated to move! 

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Pi The Pilates Specialists

At Pi Studios we believe Pilates is a training for Life.

'Pilates improved my flexibility, strength, endurance and coordination. I don’t have hamstring problems anymore, and no more pain in my lower back'. Darko Buser, UEFA Licensed Football Coach/Ex-Pro Football Player and Pi Studio Client

Pi Studio is a fully equipped classical Pilates studio.  Whether you are new to Pilates or highly skilled athlete, the Pilates Method works like no other discipline. Expect to be challenged and invigorated.  The Pilates promise of a longer leaner fitter body, with improved posture, reshaping and awareness is accessible to all genders, ages and abilities.  All out teachers are fully certified and work through individual needs as part of a rehabilitation process.



3 PRIVATE one to one SESSIONS (usually £174)

ONLY £135



1 PRIVATE (usually £70) + 1 FREE TOWER CLASS (usually £35)

ONLY £65

*T’s & C’s apply


“Physical Fitness is the first pre-requisite to happiness” ~ Joseph Pilates

To book and pay for any Classes at The Laboratory please click the Classes button below. Alternatively should you wish for a Private or Duet Class, book and pay by clicking the Private Classes button below.

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Replenish your body post work-out

What you put in your body pre and post workout has a big impact on your energy levels and recovery. Our nutritious, freshly made menu of meals, juices, smoothies and protein shakes have been carefully developed to provide the optimum health benefit to our members.  

The Lab Juice Bar is the perfect place to replenish your body and socialise with other members. 

Take your fitness to the next level 

Whether you’re stuck in an exercise rut, no longer seeing the results you want or need a boost to your fitness routine, book in with one of our experienced personal trainers. You’ll be amazed at the difference it can make to how you look and feel. Using a wholly bespoke approach that takes into account your personal goals, fitness levels and learning style, our personal trainers are able to find the exact way to educate and empower you to achieve your goals. 

Find out more about our highly experienced team of personal trainers in their biographies to choose your perfect fitness coach.

*Members only, T's and C's apply.

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Personal Training
The Laboratory, Mill HIll