Information about Onyx Fitness Ltd

Unit 3, The Yard Archgate Business Centre, 825 High Rd
N12 8UB, London
+442084466200

Opening hours

  • sunday: 8h-17h
  • monday: 7h-21:30
  • tuesday: 7h-21:30
  • wednesday: 7h-21:30
  • thursday: 7h-21:30
  • friday: 7h-21:30
  • saturday: 8h-17h
Onyx is a boutique gym and fitness studio in Finchley North London, offering strength, movement, conditioning and boxing classes as well as 1-2-1 personal training.

Our comment from FitFit UK about Onyx Fitness Ltd:

Onyx Fitness Ltd, located in North Finchley, London, is a boutique gym that has earned rave reviews from its members. With a strong emphasis on community and support, it offers a warm atmosphere where everyone feels welcome and included.

Key highlights include:

  • Personalized Training: Members praise the trainers for their excellent guidance, attention to detail, and ability to adapt sessions to individual needs.
  • Diverse Class Options: The gym features a variety of classes, including Muay Thai, Boxing, and Build classes, catering to all fitness levels.
  • Friendly Environment: The supportive community and friendly staff contribute to a motivating workout experience.
  • Quality Equipment: Onyx is equipped with state-of-the-art facilities and the latest exercise tools.
  • Focus on Results: Members report significant improvements in strength, flexibility, and overall well-being since joining.

While some users have noted the challenges of adjusting to a new fitness routine, the overall feedback is overwhelmingly positive, highlighting the exceptional training and supportive environment. Onyx Fitness Ltd is highly recommended for anyone looking for a personal and unique approach to fitness.

Services, Machines and Guided Classes

Fit
Training
Boxing
Personal Training

Onyx Fitness Ltd: Opinions

5/5 (46 Opinions)
Sarah Mulas 1 year ago

Fantastic experience: It has been one of the best choices I have ever made. Great great gym ️‍♀️

R D 1 year ago

Fantastic experience: Friendly staff, very nice atmosphere to work out. Always feel welcome.

Janet Kilpatrick 1 year ago

Fantastic experience: I have not been asked to do a review and don’t normally do stuff like this. But there I was living in a new area where I knew no one closer than a 12 min drive away with 2 teens who do their own thing, but sitting on the sofa under a pile of Christmas chocolates contemplating the coming year. And then I see a Calling all Finchley Ladies FB video. In a moment of impulse (often the best decisions are made like that) I made contact. Few days later I am at my first Build class at 7am and haven’t looked back since. It’s been around a month on my initial 6 week trial and I actually am LOVING it and organising my work and socials around it! It’s a diverse clientele in every way, training is excellent and in small groups, the coach’s are as diverse but all are attentive -correcting form, giving advice, alternatives and always motivating. I contemplated staying in my former ‘health club’ which has some merits but is insanely expensive, impersonal & faceless, with coaches who cannot be as present with a group of 30, as they can be with a group of 12 max! For context - I went from doing nothing physical in this past year to around 5 sessions a week for the last month. Already I have gains in body shape, strength, flexibility, physical agility and importantly general MH & wellbeing! Today I surprised myself at how long I could plank which was a shocking improvement from 3 weeks ago ….causing the coach to put a weight on my back to challenge me further. No coach has ever suggested or I have done ever it before, nor would I have tried myself! Update - am now almost 5 months with this community and have made a lot of friends, still regularly train on most days, and to my own surprise - plan the rest of my life around my training. There are gains which are visible to others but there are many I can see in agility and mental clarity/health aswell as being able to do things I couldn’t before requiring strength and flexibility. Hands down best gym community I have ever been to

Ines N 1 year ago

Fantastic experience: Great small gym classes.

nisha malhotra 1 year ago

Fantastic experience: Been a member for a few years now.The team are brilliant and make sessions feel very personal.Simply The Best .

xiaochu wu 1 year ago

Fantastic experience: Got recommended by a friend and she did not exaggerate how good this gym is. Solid group PT sessions, I go two times per week and getting so much stronger with good weight training programs, which help a lot with other sports I enjoy. On top of everything, I can feel that the tendon pain on my back left thigh, which bothered me for almost three years, are just getting very much in control now since the weight training started. Magic! Muay Thai sessions on Wednesday night is very stimulating! There are two experienced coaches who really demonstrate the technique, go into details with the sequences and very observant when giving corrections. There are people who are more advance but the vibe of the class is definitely supportive and beginner friendly (meʅ(◞‿◟)ʃ).

Olesia Zaidman 1 year ago

Fantastic experience: I absolutely love this gym! The sessions are a perfect blend of challenge and accomplishment. The trainers are phenomenal, providing excellent guidance, and the programs are both diverse and effective. Living nearby is a huge plus, allowing me to regularly enjoy the positive atmosphere and supportive community. Every workout feels like an investment in both my physical well-being and overall happiness. Good job guys!!

Dilpreet Anand 2 years ago

Fantastic experience: The Boxing is 5 Stars because of the value and quality teachers

A Google User 2 years ago

Fantastic experience: Christian, Jack, Clark & Ellie, Ibi & Natasha & Thierry have been absolutely amazing! I was searching for gyms in the area Whetstone for 6.30 am morning classes as I have to work. There were hardly any, but I found this little gem! Ellie was so understanding about my asthma unlike another chain gym down the road! Also they show you the technique if you get it wrong (again other gyms don't focus on this) and I have burnt lots of calories during these sessions as you work hard! Love it and will continue coming. Thank you!!

Marianna Sidiropoulou 2 years ago

Fantastic experience: My second year with Christian and though I’ve moved out of the area, I have kept my training sessions with him. Highly professional, he’s meticulous, has great people skills (puts one at ease), and monitors the progress. Training is never boring and I’m very happy with the results,

Cristinel Dimofte 2 years ago

Fantastic experience: DId a 'SWEAT' session yesterday evening and me and my daughter loved it! Great trainer ( sorry forgot his name - 7:30 pm instructor ) , very knowledgeable, happy to explain exercises and very supportive! Thanks for a great session! We will definitely be back!

Tanita Limani 3 years ago

Fantastic experience: Onyx is one of a kind and so are the coaches! They are experienced, attentive and push you to be better each visit! Thank you for creating a great space!

Eleanor Mousley 3 years ago

Fantastic experience: Such an amazing gym with brilliant PTs. I have never had a bad class and even having loved make sure I travel to make as many classes as I can!!

C Kenny 3 years ago

Fantastic experience: Hidden gem of a gym in North Finchley! Great facilities & friendly PTs.

Anthony C 3 years ago

Fantastic experience: Excellent and friendly coaches. I never thought I'd enjoy the gym this much.

Sara Barnett 3 years ago

Fantastic experience: For anyone that’s intimidated or nervous to walk into a gym environment with Onyx you don’t need to be. With small classes, led by excellent personal trainers and friendly members you will have fun and get a great workout at the same time!

Saima Hirji 3 years ago

Fantastic experience: Onyx is a boutique gym with trainers who really know their stuff. The classes are fun, inclusive and cater to all levels whether you’re a beginner or advanced. The team have created something really special with a great atmosphere that makes it a great place to train.

Sharanjit Gulati 3 years ago

Fantastic experience: Great environment for classes and PT 1-2-1s, the PTs at Onyx are knowledgeable and really help in all aspects of training, pushing your limits, testing your strength, helping with any issues. Friendly atmosphere and excellent set up.

Fahim Sachedina 4 years ago

Fantastic experience: Great facilities with all the required equipment

Saul Gerrard 4 years ago

Fantastic experience: Great FRC training

Anthony Mulroy 4 years ago

Fantastic experience: Outstanding!

Robert Oancea 4 years ago

Fantastic experience: I've just popped into their gym in North Finchley yesterday. The first impact was a very positive one ..... cleaned and organised place....nice structure and equipment...professional staff! I've already joined and I intend to being participating in their training and nutritional programme. See you soon....

Mehran Sanei 5 years ago

Fantastic experience: super friendly, positive and knowledgeable trainers in a very modern, well kitted out and clean gym which is a joy to be taught and train in. first time today, will def be going back for more !!

Dan Cinna 5 years ago

Fantastic experience: By far it’s the best boxing class I’ve done. The participant to instructor ratio is amazing (especially when you compare to places like BLOK or AnotherSpace) and the focus is on actually boxing and technique comes at the same time, rather than classes that spend AGES on technique and no boxing. The coaches are really friendly too.

Thierry Giunta 5 years ago

Fantastic experience: As an athlete myself I only have respect for personal trainers who know their stuff. These guys are experienced and knowledgeable. They deliver structured fitness programmes which show their understand the body and its biomechanics. Keep up the good work!

anamaria rusu 5 years ago

Fantastic experience: My training has improved significantly since onyx. Its challenging, fun, intense, and safe given Im someone who has had extensive injuries in the past. Would say Its a good place both for beginners and people who like to be challenged. Trainers are experienced, professional, and all round lovely humans.

Katie Donohoe 5 years ago

Fantastic experience: Onyx is the best gym I've been to by far. I used to always avoid classes in gyms, but Onyx classes are fun, personal and progressive. It feels like a group PT session, which is the opposite to most gym classes out there. I love going here as the coaches are all really nice people and really experienced trainers.

gervase campbell 6 years ago

Fantastic experience: Great people! I'm was apprehensive on my first visit but super nice people, felt welcome and enjoyed myself.

jason osullivan 6 years ago

Fantastic experience: Amazing facilities and coaching

Fred 6 years ago

Fantastic experience: Really great class! Adapted to suit abilities and the staff really know how to get the best from you without being overbearing. Very friendly, supportive and knowledgeable. I was dead after the session!

Eric Gashi 6 years ago

Fantastic experience: Great all around experience. Coaching standard is excellent, would highly recommend to anyone looking to get in shape or already in shape.

Jason Holt 6 years ago

Fantastic experience: Vic and the team are second to none. The A team of personal trainers in one place. Where else would you want to go?

Evie Demosthenous 6 years ago

Fantastic experience: This is a new, really well thought out top training zone. The classes are varied and cater for all levels . They are good times of the day too and easy to book on-line. If you want one to one sessions, these are also available from positive and competent trainers. The trainers are very knowledgable and work to your ability yet at the same time push you gently through your comfort zone. It’s a great atmosphere to train in a friendly yet focused environment. This is more than a gym. It is a place to achieve your fitness goals with like minded people in a supportive atmosphere . I have my own PT sessions here which are extremely efficient in enabling me to achieve my goals as a busy mother of three and my teenage son also attends who is training to become a pro athlete . It caters for both. You can be pushed to your max and break through barriers with focused one to one programmes and performance training or simply try new moves you thought your body could never do! The feeling is overall well being and results , with excellent nutritional advise aswell as check ins in the week between sessions. Highly recommend it here if you want a more personal and unique approach to your training. Evie Demosthenous

George Apostolou 6 years ago

Fantastic experience: Really nice gym with a group very experienced coaches, each with their own specialisms. I attented the Movement and Mobility class in the opening week and thoroughly enjoyed it. I’m looking forward to trying out the Functional Strength class next!

Tyler Ralph 6 years ago

Fantastic experience: I had the pleasure of a Muay Thai PT session with Christian today, top quality training. Amazing looking gym, backed up by all of the equipment in a friendly relaxed environment. Left the building feeling better than when I entered! Thanks! :D

Mia Francis-Burnett 6 years ago

Fantastic experience: I've trained with Jack and has been a really good PT session both times. The way they look at exercise is so different and mindful. The space is lovely and really inviting. The staff are all really nice.

Mags Faucherand 6 years ago

Fantastic experience: Exercise has never been more fun or more appealing, and it’s all thanks to coaches who are at the top of their game and well-planned classes. The addition of heart rate monitors and a projector allow u to track how hard you're working and push yourself that extra mile during sessions.

Charlotte B 6 years ago

Fantastic experience: The coaches made me feel very welcome and made my experience thoroughly enjoyable! They were encouraging throughout the session and definitely push you beyond your limits!

Gag Sahota 6 years ago

Fantastic experience: Dropped in during the open weekend. Was warmly welcomed at reception by one of the coaches and put through my paces during a conditioning class. All the coaches were very attentive and ensured I knew what I was doing. I will be back and recommend the gym to all looking for a good workout.

Rishi Kapoor 6 years ago

Fantastic experience: Onyx is an absolute gem. Fantastic (and brand new!) equipment with highly professional trainers who really challenge you to push yourself physically and mentally. What I like most about is that the trainers make rigorous exercise fun, I made friends with fellow members and trainers instantly. Great community feel and fantastic range of classes. Can't recommend it enough.

MISSN 6 years ago

Fantastic experience: I have been training with Vik for over a year now and have to say he is the best trainer I have ever had. His knowledge and enthusiasm is inspiring. I have had great results so far and am still really enjoying our sessions and achieving goals that I wouldn’t be able to without his help. All of the trainers are lovely and the gym is great I would highly recommend Onyx.

shema dhokia 6 years ago

Fantastic experience: I have been training at various gyms for the past 20 years. Onyx Fitness, Finchley is in my opinion one of the best. The staff are very professional and welcoming. All training sessions are totally different targeting various parts of the body and extremely testing ones fitness level. You have to try Onyx to believe how good it. Highly recommend at least a visit to see how truly good it is.

Orla Durkan 6 years ago

Fantastic experience: The movement and mobility class I attended was a thoroughly enjoyable experience - and it worked muscles I didn't know I had! Both coaches (Vik and Jack) were excellent, really patient and knowledgeable. Would highly recommend, and I will be back!

Danielle Vides 6 years ago

Fantastic experience: My friends and I had a personal training session at 6am on the rings. Vic was brilliant, we were amazed at how much our technique and range of mobility improved in an hour. Highly recommend Onyx, a good feel and great place to work out with top personal trainers.

Dami Fajobi 6 years ago

Fantastic experience: Been to a few sessions and can already tell you won't find a gym like this anywhere else in London, let alone North London... Definitely worth checking out if you're tired of the standard, stale, soulless gym atmosphere currently plaguing the city. If you're looking for a gym, or enjoyable/unique classes that will help you get fit & strong - whilst keeping you motivated, definitely hit up Onyx London.

Karen Purnell 6 years ago

Fantastic experience: AMAZING GYM!!! Onyx has great facilities and high quality equipment. Classes are always challenging in a good way which keeps you motivated! They focus on ALL the different muscle groups, movement and mobility; always ensuring that we are all using the right technique. All the trainers are very supportive, encouraging and knowledgeable. The aftercare from all the team is amazing. Atmosphere is comfortable for people of any age, shape, and fitness level. It makes me WANT to go to the gym. The best private gym I have ever trained in. I definitely recommend this gym.

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