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fitness. by boxers.

box. train. recover.

Female boxer hitting a punch bag in 12x3 Gym
THE BEST

Boxing Gym in London

every. body. boxes.

We offer everyone the chance to access our years of boxing experience, with sessions that strengthen the heart, lungs, body and mind. At 12x3 Gym, we offer personal training, boxing classes and the best boxing training around.
This is Fitness. By Boxers.

book a class

book private training

girl boxing in boxing ring

take the tour

two boxers at 12 x 3 gym smiling
femal boxing coach and boxer training
girl on cardio bike in gym
man boxing in ring
man on treadmill in gym
female working out
man and woman training in gym
coach from 12 x 3 gym smiling at camera
girl stretching after a workout
female looking at boxing gloves in locker room
man pulling up weight in gym
view of punching bags in 12 x 3 gym Paddington