Who Are We

We are a Results Based Personal Training Facility based in Merthyr Tydfil.

Who Are We

We are a Results Based
Personal Training Facility
based in Merthyr Tydfil.

Meet the Fitness Locker team…

Meet the Fitness Locker team…

Director, Founder of The Fitness Locker, Advanced Level 3 Personal trainer and Bio Signature Practitioner  

Lee Idzi

Lee, Managing Director and Personal Trainer at The Fitness Locker in Merthyr Tydfil, works with a range of clients to achieve goals such as fat loss, lean muscle gain and prep for events such as triathlons and iron man competitions. He also works with clients with a range of disabilities including Downs Syndrome, Friedreich's ataxia, cerebral palsy and more. He has 11 years experience in the fitness industry working with a wide range of clients. Lee is not fazed by working with anyone - his experience and adaptation skills allow him to work with anyone and everyone. 

Away from the gym Lee is a semi professional football player, playing over 350 games in the Welsh Premier League along with Champions League and Europa League appearances. Lee also has represented his country at international level playing for Wales.

Advanced Level 2 Personal Trainer


Studying BTEC Level 3 Extended Diploma in Sport, Molly has completed numerous coaching qualifications. These include Level 1 British Triathlon Coaching, Tag Rugby Coach/Referee, Level 2 Gym Instructor, First Aid, and Level 2 Safe Guarding.
Molly plays hockey for Dowlais Ladies Hockey's 1st team, and competes in British Athletics events for Aberdare Valley Athletics Club. She is currently ranked the 4th U17 for Wales in the 'Power of 10'. Molly has represented Glamorgan schools in athletics, and has a Black Belt in Wado Kai Karate. 

Advanced Level 3 Personal Trainer


Rhys is a level 3 advanced personal trainer, with additional qualifications in Nutrition for Sport and Exercise Performance and also a level 3 in Supporting Pre and Post Natal clients with Exercise and Nutrition. He is also qualified in First Aid.

Rhys has gained many hours on the gym floor in 1-2-1 personal training sessions, group sessions, bootcamps and has coached online clients, providing exercise plans and nutrition support.

Rhys works with a wide range of clients, supporting fat loss goals, strength and conditioning and general well-being.





Nutritionist at The Fitness Locker, PAS Nutrition and Swansea City FC.

Chanel specialises in nutrition to support your weightloss, muscle building and athletic performance goals. Chanel has a wealth of experience working with a range of clients

Level 3 Advanced Personal Trainer


Bethan has 13years experience working within the leisure industry working with a range of clients specialising in fat loss, lean muscle gain and S&C.  Qualifications Bsc honours degree in sport and exercise science, Level 2 strength and conditioning, Level 2 gym instructing 

Level 3 personal training 

And currently working towards personal training doctor referral.

Level 2 strength and conditioning

Level 2 sports massage 

I have always had a passion for health and fitness and take enjoyment out of helping others and seeing them achieve their goals. 

We offer a range of memberships based around either Unlimited FL55 Class Access or Personal Training. If you would like to purchase a membership OR try a FREE 7-Day Trial FL55 Class membership please get in touch