Information about ION Strength and Conditioning

Cheviot Cl
CF14 5JA, Cardiff
+442922806673

Opening hours

  • sunday: 7h-11h
  • monday: 5h-20:30
  • tuesday: 5h-20:30
  • wednesday: 5h-20:30
  • thursday: 5h-20:30
  • friday: 5h-18h
  • saturday: 6h-11h
ION Strength and Conditioning is Cardiff's premier Strength and conditioning facility. Home of CrossFit Llanishen, functional circuits and total body conditioning classes. At ION⁺ we focus on coaching and educating our community, giving them the tools to achieve a more balanced healthy lifestyle both in and out of the facility. Along with our team of highly professional, experienced coaches, world class programming and a strong support system we will help you achieve your health and fitness goals. We offer both nutritional services, personal training and InBody body Composition analysis.

Our comment from FitFit UK about ION Strength and Conditioning:

ION Strength and Conditioning is an exceptional gym located in Cardiff, renowned for its inclusive and supportive environment. The community here stands out, with members of all fitness levels coming together to encourage one another.

With top-notch coaching and a variety of classes, ION effectively caters to a diverse clientele, including seniors and pre/post-natal individuals. The friendly and knowledgeable staff ensure that everyone feels welcomed, making it an ideal place for those new to fitness as well as seasoned athletes.

The facility offers great equipment and an electric atmosphere that enhances the training experience. From CrossFit elements to comprehensive health and well-being programming, every aspect is designed to help members achieve their goals.

A few users pointed out challenges with class availability due to high demand, but overall, the feedback reflects a strong appreciation for the gym's offerings.

Highly recommended for anyone seeking a genuine fitness community!

Services, Machines and Guided Classes

Fit
Strength And Condition
Training
Tea
Balance
Personal Training
Functional
Total Body

ION Strength and Conditioning: Opinions

5/5 (78 Opinions)
Rhian Potter 2 months ago

Fantastic experience: I started attending the Strongher classes in October to gain confidence. Abi, Rachel and Hannah are amazing and so supportive. I joined properly then in November and it’s the best decision I have made. All the coaches are lovely and the range of classes is fantastic. They cover strength sessions in ION60, hyrox, aerobic and circuits in ION45/30. My favourite is the Olympic lifting in the barbell classes with Liam who is super knowledgeable. There’s a huge range of classes everyday for you to pick from in order to fit it around work/family etc Everyone is very friendly and genuinely there’s no need to be nervous about attending sessions. After the sessions there’s the Bee Hive cafe where you can grab a coffee/tea/protein shakes (which are lush!) and have a chat with classmates. I’m very glad to have joined and would recommend to anyone!! Thanks ION!!

Steffan Barnes 2 months ago

Fantastic experience: Having worked at ion for 2 years, and being a member for another year, I can confidently say this gym is my favourite in Cardiff. The community, inclusivity, and warmth this gym brings is unmatched.

Cianna O'Brien 2 months ago

Fantastic experience: I absolutely love being a member of Ion. I wasn't the gym type before I joined, and didn't know what a burpee actually was. Now I look forward to my classes at Ion for the exercise and the buzz. The early morning classes are a great way to start the day, and their schedule is really comprehensive. The coaching team are very supportive and the classes are always good fun. Ion doesn't just provide excercise classes, it's a friendly and welcoming, fun community to be a part of with a focus on being healthy. And on top of that, the Beehive cafe team make great coffee! Thanks a million for making it such an enjoyable space. I'd highly recommend!

Luckyx xx 2 months ago

Fantastic experience: An extremely positive, friendly, empowering environment that caters for all abilities and variety of ages. I have been a member for 10 years and it an significantly improved both my physical health and mental well being. A gym that challenges you to be a better person

Sarah Dawesclark 2 months ago

Fantastic experience: Fantastic gym, catering for all ages including a dedicated over 60’s class. Friendly and inclusive, lots of encouragement from coaches and members alike

Adam Salamon 2 months ago

Fantastic experience: Great class based gym with structured training programmes and high quality coaching! Highly recommend!

Will Adams-jones 2 months ago

Fantastic experience: Brilliant place to workout with like minded people. Fantastic atmosphere couldn’t recommend more

richard whiffin 2 months ago

Fantastic experience: Great facility with great atmosphere. Whether it’s a cold rainy December or boiling hot June, staff and athletes are always there ready to attack the day!

Evie Williams 2 months ago

Fantastic experience: I love being part of the ion family. The community is unmatched - supportive, friendly and so much fun. Not to mention how strong the classes get you, mentally and physically

Tom Beard 2 months ago

Fantastic experience: Awesome gym, awesome people!

Jodie Beck 2 months ago

Fantastic experience: I started in the Mumfit classes 3 years ago and haven’t looked back! My fitness has totally changed (totally lacked any after having 2 children and not training prior to this). The variation of classes is great and each one can be adapted to your needs which I love. ION is more than just a gym, it’s a community

Bethan Cashin 2 months ago

Fantastic experience: ION has been a saviour on my maternity leave, helping me safely get back into fitness post baby and not have to worry about childcare whilst I work out. The programme is varied and the coaches are brilliant, supportive to ensure your form is always top.

Dan White 2 months ago

Fantastic experience: Ion is a fantastic gym. I religiously do the Ion 60 class in the mornings. The programming is really well designed and the coaches are really encouraging and knowledgeable. I'm the fittest and strongest I've ever been and I'm 42. I'd also add it's an incredibly friendly and welcoming gym with a great community of people of all ages and abilities.

Meg Allman 2 months ago

Fantastic experience: ION gym has been an absolute lifesaver for my fitness on maternity leave. The mumfit team, particularly Rach, are brilliant. The gym is welcoming and inclusive and the classes are really well run. Thank you, team ION! Megan McKenna

EMJ 2 months ago

Fantastic experience: I moved to Cardiff nearly three years ago. At the time, I was used to training alone and felt anxious about joining group classes — I worried I’d be the “weakest” in the room or struggle to keep up. Thankfully, I was wrong! From day one, the ION community was incredibly welcoming and inclusive. The classes are thoughtfully designed to suit all abilities, and the coaches are always there to teach, support, and motivate. Being part of the ION gym community has not only made me physically stronger - it’s also boosted my confidence, improved my mindset, and had a huge positive impact on my overall wellbeing.

Ellis Carr 2 months ago

Fantastic experience: ION is by far the best gym I have been a member of. The training programmes are well planned but also very scalable to individual ability, so everyone is able to get the most out of it with the support and guidance of the coaches who are all great. Last but not least - the coffee and social after the class.. it’s the best part of the day

AnaLiza Pinlac 2 months ago

Fantastic experience: ⭐⭐⭐⭐⭐ I can't say enough good things about ION Gym! From the moment I walked through the doors, I felt an energy and sense of community that truly sets this gym apart. Here’s why I believe it deserves a glowing review: 1. The gym is fully equipped with machines and free weights, catering to all fitness levels. Whether you’re a beginner or a seasoned athlete, you’ll find everything you need to push your limits and achieve your goals. 2. Knowledgeable and Supportive Staff:The trainers at ION Gym are second to none. They are not only incredibly knowledgeable but also genuinely invested in helping you succeed. Whether you need guidance on form, workout plans, or nutrition advice, they are always available and eager to assist. 3. Clean and Welcoming Environment: I appreciate how clean and well-maintained the facility is. The atmosphere is welcoming and friendly, making it a comfortable space to work out. It’s clear that the staff takes pride in maintaining a tidy and inviting environment. 4. Diverse Class Offerings: ION Gym offers a fantastic variety of fitness classes, from Hyrox training to barbell, functional body building and everything in between. There's something for everyone, and I love being able to mix up my routine with different classes throughout the week. 5. Community Vibe: One of the best aspects of ION Gym is the sense of community. I've made great friends here and appreciate the camaraderie among members. Everyone is supportive and encouraging, making it easy to stay motivated. 6. Flexible Hours:The gym has convenient hours that fit my busy schedule. Whether I want to work out early in the morning or later in the evening, I can always find a time that works for me. In conclusion, ION Gym has become more than just a place to work out; it's a place where I can grow, challenge myself, and feel empowered. If you're looking for a gym that prioritizes your fitness journey and fosters a sense of belonging, look no further than ION Gym. Highly recommend! ✨

Alex Bywater 2 months ago

Fantastic experience: ION is a truly brilliant and welcoming fitness community. I first joined the gym to do one-on-one personal trainer classes to strengthen my knees after meniscus surgery. Soon enough, I was a full member and a regular in the group classes. It's the best gym I've ever been a member of and there is a place for everyone. The positive attitude and environment created gave me the confidence to take part in the HYROX training at the gym, which led me to being able to compete HYROX men's singles in Cardiff in May - something I never thought would have been possible previously. I couldn't recommend ION enough.

Suzanne Taylor 4 months ago

Fantastic experience: I have been having personal training for a few months to prepare for an event. Rhys was fantastic catering everything to my needs and you could see he had taken time to look up and prepare for each session making them effective but still being fun. Other coaches would come through during our sessions and I have been met with nothing but high energy and positivity from them all. As a women over 40 this has been important to me and has made a really positive impact on my life. If your looking for a really friendly place to go where life isn’t taken to seriously but helping you reach your goals is then this is the place to go. And if your looking for personal training then Rhys really knows his stuff and I would highly recommend him

Neil Sowden-Taylor 4 months ago

Fantastic experience: Age is just a number and is no barrier to health and fitness, especially in Ion Strength & Conditioning Gym in Cardiff. This gym provides a warm welcome to young as well as more senior members.The greatest benefit is improved mental well being as well as general fitness and improved mobility. Recommend to all.

Jocelyn Hall 4 months ago

Fantastic experience: Ion is really a 1 in a million gym. I'm your standard middle aged not that fit mum, I've been welcomed wholeheartedly at ion. In 12 months I've been a member I've lost 20kgs and I'm stronger than I've been in decades. I'm doing things I never thought I'd be able to in my 40s like box jumps or even attempting an assisted chin up. I cannot recommend the gym highly enough.

Cari Sowden-Taylor 4 months ago

Fantastic experience: A fantastic, inclusive gym for everyone. The upbeat environment- great music, enthusiastic, supportive & knowledgeable coaches - means you get a great work out every time. Best gym around!

James Norcott 4 months ago

Fantastic experience: Great sessions for all abilities. The staff are awesome and the coffee is excellent!

Alastair Milburn 4 months ago

Fantastic experience: Such a friendly, all inclusive club. Everyone is made to feel so welcome regardless of their fitness levels!

Charlie Simpson 4 months ago

Fantastic experience: Came here 3 years ago and haven’t looked back. The most motivating and friendly gym where you’ll see real progress in your strength and fitness.

Richard Hellings 4 months ago

Fantastic experience: Brilliant gym, fantastic coaches and a real community feel where everyone is supported

Howard Goldberg 5 months ago

Fantastic experience: Highly recommended- great staff.

Michael Robbins 5 months ago

Fantastic experience: Amazing facility and the coffee at Space2B is banging!

Rich Thomas 5 months ago

Fantastic experience: I’ve been training at ION for over 2 years now and honestly couldn’t recommend it enough. From the friendly and knowledgeable coaches, to the laid-back, inclusive vibe, and the banging coffee – ION has got it spot on. It might look a little daunting from the outside, but the moment you walk through the door, you’re greeted with a smile and instantly feel part of the community. The classes are brilliantly run – no matter your fitness level, ability or confidence, everyone can take part and feel like they belong. There’s no egos or competitiveness here – just people showing up to better themselves and have a laugh along the way. If you’re on the fence, take them up on a free taster session and experience it for yourself. You won’t regret it. Keep up the incredible work Team ION

Iwan Morris 5 months ago

Fantastic experience: Best gym in Cardiff/ South Wales

Gina Newbury 5 months ago

Fantastic experience: Very inclusive gym suitable for everyone

Emma Tanner 5 months ago

Fantastic experience: Love ION and ION Space2B! The atmosphere is always so positive and motivating, and all the coaches are really knowledgeable and supportive. It’s the best place to train ☺️ Rob and Rach are super focussed on member experience too, they put on sessions to promote positive mental health, women’s health and nutrition. It’s an inclusive and social space to train (and chat ) - it also has the best coffee shop that do lovely protein shakes ❤️

Andy Morgan 5 months ago

Fantastic experience: Having been a member of ION since 2019 it has changed my whole approach to training and wellbeing for the better. ION is more than just a gym..!! it embraces and delivers across the key pillars of Human Performance. Physical performance is delivered via excellent strength and condition sessions programmed to the ability of all ages and cardio vascular abilities. Utilising a user friendly App, any session can be followed whether your in the gym or on the road. Something which for myself has been a game changer. The ION team provides nutritional advice and guidance to help support clients, and their individual goals. Mental health and wellbeing is achieved via boys days out and monthly sessions as well as ladies classes and day activities. Whether you’re training first thing in the morning or last thing at night you will experience first class gym sessions delivered by quality coaches, surrounded by like minded members who are supportive and friendly. You are about to embrace on a journey to not only improve your longevity but those closest to you. Welcome to the ION community!

David Newman 5 months ago

Fantastic experience: If you’re serious about leveling up your fitness, there’s no better place than Ion Strength and Conditioning. This isn’t just another gym—it’s a powerhouse community built around expert coaching, smart programming, and a culture that pushes you to be your absolute best. From the moment you walk in, you can feel the energy. The coaches at Ion know their stuff—they’re not only incredibly knowledgeable, but they genuinely care about your progress and well-being. Whether you’re just starting out or you’re a seasoned athlete, they meet you where you are and help you crush your goals. What really sets Ion apart is the community. It’s supportive, motivating, and full of people who want to see each other win. You’re not just lifting weights—you’re building confidence, strength, and resilience with every session. Ion Strength and Conditioning is the real deal. If you’re looking for a place to grow stronger physically and mentally, stop looking—you’ve found it.

Nadia 5 months ago

Fantastic experience: What a fantastic gym, with great programming, excellent instructors and a range of classes including Strength and HIIT which get you excellent results.

Matt Davis 5 months ago

Fantastic experience: Best there is

Owen Brown 5 months ago

Fantastic experience: Best gym on the planet - worldclass community, outstanding sessions, best coaches, and coffee ain’t half bad either

Lucy Ambrozejczyk 5 months ago

Fantastic experience: Best gym in Cardiff

Lee Heighway 5 months ago

Fantastic experience: No better place to burn a few calories and catch up with great people.

Jason Cowan 5 months ago

Fantastic experience: Great Gym and environment that’s thriving

Gareth Fairie 5 months ago

Fantastic experience: Absolutely fantastic experience at this strength and conditioning gym! From the moment I walked in, I was greeted by a friendly and knowledgeable staff who genuinely care about helping their clients achieve their fitness goals. The facility is top-notch, equipped with a wide range of state-of-the-art equipment that caters to all fitness levels. The trainers are exceptional, providing personalised attention and tailored workout plans that ensure you make the most of your time there. They are not only experts in their field but also incredibly motivating, making each session enjoyable and challenging. The atmosphere is supportive and encouraging, fostering a sense of community among members. I’ve seen significant improvements in my strength and overall fitness since joining, and I can’t recommend this gym enough! Whether you’re a beginner or a seasoned athlete, this place is a game-changer. Five stars all the way!

ROMINE HOMAYOONFAR 5 months ago

Fantastic experience: Great gym with great coaches.

Daniel Mctiffen 5 months ago

Fantastic experience: Great place to train, knowledgeable coaching team and friendly members!

Gareth Thomas 5 months ago

Fantastic experience: This is a great community gym. I use the space to be site at the malting and it is a safe, inclusive and instructive place to train. Matt Bowring creates a fun atmosphere with the perfect amount of pressure and fun to keep you working towards your goals. Exceptional place. I love it

ceri isaacs 5 months ago

Positive experience: Friendly and warm environment. Getting/keeping healthy is an ongoing daily commitment - training as a part of it is an enjoyable experience at ION making it easier to keep going

Amy Wu 6 months ago

Fantastic experience: Absolutely love this gym! Such a great community to join and an excellent place to be introduced into strength and conditioning. My favourite are the group workouts led by experienced coaches. I recommend this place to new or seasoned gym goers!

ION Strength and Conditioning
ION Strength and Conditioning

Thanks so much Amy! It’s great to have you as part of the community

Palida Singhanetr 6 months ago

Fantastic experience: Love the classes they offer. Friendly atmosphere.

Sinéad Lawlor 6 months ago

Fantastic experience: Great classes with great instructors.

alan pateman 11 months ago

Fantastic experience: Great coaching. Great community.

Matthew Rivers 1 year ago

Fantastic experience: Called in for a trial class, excellent class and staff, made to feel very welcome. So much I joined this afternoon.

Abigail Williams 1 year ago

Fantastic experience: Ion is definitely the best gym I have ever been a part of! A very friendly and inclusive environment. Everyone is so welcoming, and the coaches are amazing at what they do. I was super nervous to join a new gym, but so so glad I taken the step to join Ion. Been part of this gym for a few months now and I already feel so much fitter. This gym is unlike any other, and would 100% recommend to anyone at any ability at any age! Various classes for different populations (over 60s + pre/post natal) which makes it so inclusive!

Emily Kennedy-Price 1 year ago

Fantastic experience: Great gym with a variety of classes. The coaches are friendly and knowledgeable. I’m really enjoying the Mumfit classes with my baby. I couldn’t recommend this gym enough for whatever fitness you’re after.

Sarah Hicks 1 year ago

Fantastic experience: My nephew loves it there

Steve Powell 1 year ago

Fantastic experience: Great & friendly environment. The staff are always helpful and the atmosphere is very supportive and not competative.

Laura Ford 1 year ago

Fantastic experience: Great centre and fab classes!

jama388 1 year ago

Fantastic experience: ION strength and conditioning is a gym which focuses on health , fitness and well being. Really nice that they incorporate elements of crossfit to promote and develop this ….great place , fantastic helpful staff and great community feel

Stephen Price 1 year ago

Fantastic experience: Amazing facility, staff are extremely supportive and great environment to train in - sound system is cracking too!

nick macleod 1 year ago

Fantastic experience: Superb facility. Great equipment, environment, atmosphere and great people! Love this place!

Elizabeth Taylor 1 year ago

Fantastic experience: I have been attending ION for 5 years, and it is, without a doubt, the best gym in Cardiff. The community is another level. There is a mixed level of ability, and everyone just wants the best for each other. Highly recommend

Alex Ramadan 1 year ago

Fantastic experience: Amazing gym. Great atmosphere with a real community feel to the place. Caters for all fitness levels. great equipment and coaches. Real focus on all aspects of health from fitness to nutrition to general wellbeing. Can't recommend higher

Robert Paul 2 years ago

Fantastic experience: Awesome place,friendly with an electric atmosphere..

Mark Phillips 2 years ago

Fantastic experience: Great coaching and classes

Shaun Suller 2 years ago

Fantastic experience: Awesome place to train. Everyone is very friendly and supportive.

Nick Jephson 2 years ago

Fantastic experience: A friendly, inclusive and welcoming gym which caters to a wide range of fitness abilities. The coaches are patient, encouraging and very knowledgeable. Overall highly recommended, if you're looking for a CrossFit-type gym in this area of Cardiff then look no further!

Hanna Guise 2 years ago

Fantastic experience: Best gym I've ever been a member of. Focus is on complete health and wellbeing rather than aesthetic image like some gyms. Genuine community and people of all abilities train here. Loads of classes. Fantastic coaches. Only wish I'd joined before I did! You will not regret joining.

Amanda Watts 3 years ago

Fantastic experience: So much more than a gym! Fantastic coaches who go above and beyond to help members in any way they can, excellent facilities, great atmosphere and banging tunes to help the work out fly. Highly recommend this gym to anyone of all abilities.

Immanuel Carl Maria Voigt 3 years ago

Fantastic experience: The absolute best gym in Cardiff. Programming is fantastic, love every session. Coaches take warm ups and technique seriously which is rare, and every member is friendly but serious about fitness. If you wanna get proper fit and be part of a group of inspiring individuals without ego or stupid selfies in front of the mirror, this is your place.

paul ashman 4 years ago

Fantastic experience: Great place with excellent facilities

Rachael Sowden-Taylor 4 years ago

Fantastic experience: Great facility, the best coaches and a welcoming community - all you could want from a gym.

Matteo Trisolini Longobardi 4 years ago

Fantastic experience: (Drop in) One of the best CrossFit gyms we have been to in Cardiff location is easy to find, the equipment is diverse and in good condition and the shower facilities are good for both men and Women. On top of this classes are always full and it’s no surprise as the workouts are challenging but also fun and rewarding. I can recommend the CrossFit metcon classes if you are looking to improve your general fitness and health.

Farbod Babolhavaeji 5 years ago

Fantastic experience: The best gym I've been to.

Kim Sebry 5 years ago

Fantastic experience: Awesome facility with welcoming coaches and members. Love the popular Assault Concept classes, and lots of availability for class times - thanks Ion!

Kristian Welch 6 years ago

Fantastic experience: Brilliant facility, well organised, well run, these guys set the standard others try and follow.

Liz 6 years ago

Fantastic experience: Attended for a competition, nice size and good facilities.

Ollie 6 years ago

Fantastic experience: My favourite place to train EVER.

Adam Cope 6 years ago

Fantastic experience: Good set up

liam schewitz 6 years ago

Fantastic experience: The best coaching team, the best group of people to train with, the best tunes, the best fitness facility I’ve ever used

Kristian Hubbard 7 years ago

Fantastic experience: Excellent gym. Very welcoming and knowledgable coaches. Members are also great

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