A limited time offer

JOIN TODAY FOR 50% OFF YOUR FIRST MONTH WITH NO JOINING FEE! That's a £50 SAVING!

Newhaven gym Offer

50% OFF + No Joining Fee!

Kick start your fitness today.

No joining fee. 50% off your first month. That’s £50 saved and unlimited access to the gym and classes. There is nothing to stop you. Reclaim your health today.

to find out more or to talk to one of our team, please complete the form below. 
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Outstanding Support
for Your Fitness Journey

At our gym, we’re dedicated to supporting your fitness journey. Our team provides personalised guidance and expert advice to help you achieve your goals and make the most of every workout.

3000+
Total Clients
25+
Expert Instructors
10+
Years in Operation

Newhaven

Classes STRONGER TOGETHER

Our classes are about more than just breaking a sweat—they’re about building a community. Whether you're pushing your limits in HYROX or having fun in Spin, you’ll find support, laughter, and maybe a little friendly competition.

With flexible class times that fit your schedule, it’s easy to stay motivated and inspired.

View CLASSES

pushing the limits together

Dive into the heart of our Newhaven Underground Gym community and see what our happy members have to say about us.

discover the difference

Step into our world where our dedicated team is eager to show you around. Discover our state-of-the-art machines, diverse facilities, and dynamic classes. See firsthand how we help our members achieve their fitness goals.

JOIN THE UNDERGROUND

WHERE RESULTS AREN’T JUST PROMISED—THEY’RE INEVITABLE!

We’re all about real gains, real guidance, and real grit. Our lineup spans from strength building to a vibrant fitness community. Become a member and start seeing the results that only the Underground can deliver.

Ready to transform?
Flexible Membership
No Hidden Fees