12 Rounds Boxing is a membership boxing gym in Clapham Junction featured in time out, square mile and GQ as one of London's best boxing gyms. We provide both small group and one to one boxing and fitness sessions for alllevels of fitness and boxing experience. Our small team of expert boxing coaches are not only incredibly passionate about boxing and fitness but also in helping people lead happier, healthierand more fulfilled lives. After discovering both the physical and mental benefits of boxing ourselves, we believe that this is not just a workout but an amazing way to build confidence and selfesteem AND to managestress.