Onyx Head Start Options
💥 Option 1: 2-Week Head Start — £60
A short, low-pressure way to try Onyx and build momentum.
Up to 8 classes
Includes a 20-minute nutrition & lifestyle call
Perfect for beginners or anyone getting back into a routine
Start anytime in December or January
💥 Option 2: 7-Week Kickstart — £247
(Extended holiday edition)
Our most popular entry programme — ideal if you want structure, coaching and real progress.
Full 7-week structured programme
Personal Training Support - One 1-2-1 PT session guidance from our expert trainers to personalise your journey.
InBody Health Assessment -A full body-composition scan to set clear, personalised goals.
Unlimited Small Group Training 7-weeks of coached, high-energy sessions across strength, fitness, boxing and mobility.
30-minute nutrition & lifestyle call - Practical guidance from an Onyx coach to improve your habits outside the gym.
Open Gym Access -Train at your own pace with dedicated open-gym slots.
7-Day Peace of Mind Guarantee - Not satisfied in your first week? Get a full refund no questions asked.
💥 Option 3: PT Starter Pack — £120
3 PT sessions + 2 classes
A perfect introduction if you want more confidence and personalised coaching before joining classes.
3 one-to-one PT sessions
2 classes when you’re ready
Great for beginners, returners, or anyone nervous about starting
Why Onyx?
Personal coaching in every session
No guessing. Our coaches guide your technique, push you safely, and adapt every workout to your level.
Small, friendly classes
No big crowds. No egos. Just supportive people and trainers who know your name.
A clear, proven training structure
Strength, fitness, boxing and mobility — balanced in a way that helps you improve fast without feeling overwhelmed.
A community you’ll actually enjoy training with
People stay at Onyx because they feel part of something — not just a membership number.
Perfect for beginners or returners
You don’t need to be fit. You just need to start. We’ll take it from there.