Nothing beats boxing.

It’s pound for pound, the best workout on the planet. We could talk about the benefits, the total body workout, the lean, toned body. But it’s  more than that.

Exhilaration, positivity, confidence. It’s like a runner’s high, if that runner was being chased by a bear. Boxing makes you feel that little bit bad-ass. So go on.

Be Bad. Feel Good.



Aldgate     Paddington



Aldgate     Paddington


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Very welcoming...great vibe...talented and encouraging coaches...It was starting at 12x3 that got me into boxing and now I'm hooked. There's a variety of different types of classes, so there really is something for everyone, despite your ability. There's also a real sense of community in the gym which makes it a great place to be. If you like boxing then you MUST check out 12x3!!!

Charlotte Perry

As someone who is older and looking to stay fit, 12x3 has been an amazing find. The combination of real boxing classes and fitness make it ideal for people who want to get back in shape or improve upon from where they currently are. The staff is super and the value for money is outstanding when compared to the many choices now present in London.

Alex Adamopoulos

They never said it would be this hard to punch a bag, but they never told you how satisfying it would be.
Each instructor will bring something new to your game, with a great community to encourage and drive you through those dig deep sessions.
Well worth the intro sessions, and never looked back since joining.

James McGuinness