08/06/2026
Life at Onyx lately 💪🔥
Onyx Fitness Ltd
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Improving health and accelerating performance through the combination of functional strength trainin
08/06/2026
29/05/2026
Locked in 🔒
22/05/2026
22/05/2026
Thank you to everyone who came down and donated to the onyx charity boxing class last weekend. Your support means everything.
15/05/2026
Sweat. Build. Repeat. 💪🔥
Our Sweat & Build class is designed to push your body, build strength, and leave you stronger every session. High energy, serious work, real results.
13/05/2026
This Saturday we’re doing something special 🥊
Boxing Is Love × Onyx — a full day of coached Boxing & Strength Conditioning, raising money for an incredible cause.
📅 Saturday 16th May
📍Onyx Fitness N12 8UB
⏱ 75 mins per session
💰 £15 — every penny goes to Boxing Is Love charity
Pick your slot:
12:00pm · 1:30pm · 3:00pm · 4:30pm
Book via the Onyx app or head to onyxlondon.co.uk/boxraw
Not a member? Doesn’t matter — this is open to everyone. Bring a friend, share the link, the more the merrier and the more we raise. 🖤
🔗 onyxlondon.co.uk/boxraw
🔗 boxingislove.org
11/05/2026
No shortcuts. No magic. Just showing up, putting the work in, and getting closer to the goal one ride at a time 🚴🔥
09/05/2026
Meet our member Sophie, she joined Onyx back in 2024 through our group training sessions and she hasn’t looked back since.
She started with group training, loved it and with her wedding coming up later this year, she added 1-2-1 sessions with Tash to really focus on how she wanted to look and feel on her big day.
Check out the her story be see the progress she has made.
Whatever your goal, we’ve got something at Onyx that’s can work for you.
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Location
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Address
Unit 3, 825 High Road
London
N128UB
Opening Hours
| Monday | 7am - 9:30pm |
| Tuesday | 7am - 9:30pm |
| Wednesday | 7am - 9:30pm |
| Thursday | 7am - 9:30pm |
| Friday | 7am - 9:30pm |
| Saturday | 8am - 5pm |
| Sunday | 8am - 5pm |