NO GUTS NO GLORY Tag a friend who needs some boxing in there life. Read these few reviews and head to Google for the rest of our reviews to understand what we are up to and what we offer at 12X3. We love what we do. COACHING THE ART OF BOXING “The best of London's upper sector of gyms. You can train like this in a hundred places but this is the only place that has this level of coach, with the experience and background that just gets more out of the average idiot like me. I don't normally write reviews but I had to say something. Changed my life” “Best boxing gym in London. Elite coaches, great facilities, friendly atmosphere. They will make you sweat and make you come back for more!” “Great gym with excellent facilities! More importantly the staff and coaches are highly professional, inspiring and humble. Whether its general fitness, improving confidence or boxing technique. I really cant speak highly enough for the classes at 12x3.” “Best boxing gym in London by a mile, I’ve been to most others. This a is a unique gym that stays true to the sport and have helped me become better than I ever thought I could be. Trainers are highly skilled and a pleasure to work with” 🙏