Team Solid Training is an inclusive, class-based fitness facility in South Croydon, founded by former British cruiserweight champion Leon “Solid” Williams. Inspired by his boxing career and commitment to continued learning, Williams leads coaching designed to make exercise challenging, engaging and accessible to people at different fitness levels. The gym presents itself as more than a place to train, with a welcoming environment focused on community, confidence, personal growth and long-term progress.

Its programme includes adult and women’s boxing, junior boxing for ages 10–15, kids’ boxing for ages 5–9, and Pressure, a HIIT class. Weights & Plates is listed as a forthcoming class, with an add-on membership option also shown. Members can choose class subscriptions, and newcomers can access a three-class trial offer. Additional services include personal training, corporate packages, workshops, community and youth workshops, and venue hire. Team Solid says its coaches take a supportive, trauma-informed approach and aims to provide young people with a safe, positive setting to develop fitness and confidence.