Jack Cronk personal trainer

Jack Cronk

Biggin Hill, London
Body Sculpting, Kettlebell Training, Weight Loss, Nutrition & Weight Management, Toning, Fitness Classes, Group Fitness, Pre- & Post-Natal Training, Suspension Training, Group Training, Kettlebells


I pride myself on my commitment to helping clients reach their goals by providing the support, guidance and motivation needed to ensure success. My goal is to make clients look and feel better in the quickest time possible.

I have worked as a personal trainer in many gyms including Virgin Active and David Lloyd. As well as running Cronk Fitness, I teach other new trainers how to improve and be successful as a personal trainer.

My studio, based in Biggin Hill, is fully equipped with the latest fitness equipment such as kettlebells and battle ropes. Training is also offered in your own home or in a park or other outside area. 

I believe that personal training should be accessible to everyone no matter your size, shape, fitness level or budget.


  • Active IQ - Level 2 Exercise To Music
  • Premier - Fitness Trainer Award
  • RPM Instructor

Languages spoken


Price per session from



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