Mamba Gym is a Brazilian Jiu-Jitsu gym in Hemel Hempstead, Hertfordshire, offering Gi, kids, women's and MMA classes. It offers a free trial class. It is rated 5/5 from 44 Google reviews.
Head Instructor: Kingsley Walker
Mamba Gym provides training for all your combat needs. Based in Hemel town centre we offer Boxing, BJJ and MMA training. Whether you are looking to box, train BJJ or try a new way to get fit Mamba Gym can suit your requirements.
Contact the gym for current prices.
Head Instructor
Head Instructor
Contact the gym for current prices.
156A Marlowes, Hemel Hempstead HP1 1BA, United Kingdom
Location Information
Contact gym for detailed directions
Address: 156A Marlowes, Hemel Hempstead HP1 1BA, United Kingdom
Led by Kingsley Walker.
Welcoming community with women's only classes and dedicated kids programs for all family members.
Conveniently located in 156A Marlowes, making it easily accessible for training.
Details last checked: September 2025. Contact the gym directly for the current timetable and prices.
No prior experience is necessary. Mamba Gym welcomes complete beginners and provides a supportive environment to learn Brazilian Jiu Jitsu fundamentals.
For your first class, bring comfortable athletic clothing, a water bottle, and a positive attitude. The gym can provide information about purchasing a gi (BJJ uniform) once you decide to continue training.
Yes! We offer dedicated kids Brazilian Jiu Jitsu programs. Contact us for age group information and class schedules.
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⭐⭐⭐⭐⭐
Used these guys for years very good very professional very helpful and very trustworthy. Would definitely recommend them. Thanks again to the Mamba team
⭐⭐⭐⭐⭐
Dropped in for Rob’s BJJ class - awesome crowd, welcoming gym and world class coaching.
⭐⭐⭐⭐⭐
I recently moved to a new area and was on the hunt for a gym that offered boxing classes. That's when I stumbled upon Mamba Gym and I couldn't be happier with my decision. From the moment I walked in, I was greeted with a warm and welcoming atmosphere. The coaches at Mamba Gym are incredibly professional and knowledgeable. They take the time to work with each individual and cater to their specific needs. As someone who hasn't trained in a while, I was a bit intimidated at first, but the coaches made me feel comfortable and at ease. One of the things I love about Mamba Gym is their variety of packages. Whether you want to commit to a long-term membership or just pay for single sessions, they have options for everyone. This flexibility was perfect for me as I wasn't sure how often I would be able to attend classes due to my busy schedule. The gym itself is well-equipped and maintained. They have all the necessary equipment for a great boxing workout and everything is always kept clean and organized. The overall atmosphere is motivating and I always leave feeling accomplished and energized. But most importantly, Mamba Gym has reignited my love for boxing. It's been a while since I last trained in a boxing gym, but this gym is exactly what I was looking for. The classes are challenging but fun, and I can already see improvements in my technique and stamina. I am grateful to have found a gym that has helped me get back into my passion. Overall, I highly recommend Mamba Gym to anyone looking for a boxing gym. The welcoming environment, professional coaches, and variety of packages make it the perfect place for all levels of experience. Thank you, Mamba Gym, for getting me back into boxing and making me love it even more.