Looking for a gym in Morden that offers more than just rows of equipment?

Located on Morden Roundabout, On1Fitness is a friendly, independent gym designed to help people of all fitness levels achieve their goals in a supportive and welcoming environment.

Whether you're looking for a premium open gym membership or the additional support of our Small Group Personal Training programme, we have an option to suit you.

Open Gym Memberships

Train your way with access to over 4,000 sq ft of premium fitness facilities, including free weights, plate-loaded machines, cardio equipment, functional training areas and strength equipment.

Perfect for those who enjoy training independently while being part of a genuine fitness community.

Small Group Personal Training

Want more support, accountability and guidance?

Our Small Group Personal Training programme combines expert coaching, structured workouts, nutrition guidance and regular progress tracking to help you achieve results faster.

Why Choose On1Fitness?

✔ Premium gym equipment

✔ Friendly, welcoming community

✔ Open until 11pm weekdays and 8pm weekends

✔ Free weights, machines and cardio equipment

✔ Small Group Personal Training available

✔ Nutrition guidance and support

✔ Body composition tracking

✔ Fitness for all experience levels

Whether your goal is to lose body fat, build muscle, improve fitness or simply feel healthier and more confident, we're here to help.

Designed by the world's best industry experts to help you get the best possible results.
Find a comprehensive fitness plan, for free. Ready... Set... Sweat!