At 12x3, we provide expert personal training in London. We combine elite boxing coaching with tailored fitness programmes to help you achieve your goals. Based in Aldgate, East London, we design our one-to-one sessions around your fitness level. Whether you're looking to lose weight, build strength, improve endurance or learn authentic boxing techniques.
Unlike a standard gym workout, an experienced boxing trainer leads each session. They create a programme designed just for you to ensure you stay on track and achieve the best results. As the only boxing gym in London that trains with past and current champions, you'll get top level coaching in a supportive environment.
We understand that no two clients have the same goals or experience. Your coach will tailor each session to help you improve your fitness, develop boxing skills and stay motivated as you progress.
Whether you want to:
we'll create a plan that helps you get there.

We design our personal training sessions to deliver results while keeping every workout engaging and challenging.
When you train with us, you'll benefit from:
Boxing is one of the most effective ways to improve your overall fitness. It combines cardio and strength training to deliver a varied and engaging workout.
Regular personal training can help you:
Book your first session with us today!

Our coaching team includes former world champions, national titleholders and experienced professional fighters who bring years of knowledge to every session. Whether you're a complete beginner or an experienced boxer, you'll receive expert coaching tailored to your ability and goals.
Located at 76 Alie Street, Aldgate, E1 8PZ, our gym is easily accessible from the City of London, Whitechapel, Liverpool Street, Shoreditch, Canary Wharf and the surrounding areas.
If you want personal training that combines expert coaching and a unique boxing style, 12x3 can help. By combining boxing drills with strength and conditioning, our training sessions deliver a full-body workout. We help you build strength, stamina, coordination and confidence.
Contact our team today to book your one-to-one personal training session and start working towards your fitness goals.
