Feel Stronger, Fitter & Energized — Zumba, Bootcamp & Personal Training in London
Join our vibrant community for Zumba classes, bootcamp workouts & personal training
fit by sonic services
Zumba - All Levels
Zumba makes fitness fun, easy to follow, and energizing – perfect for all levels! Join us for a Zumba class in London that’s anything but ordinary.
Boot Camp - All Levels
In this outdoor fitness class, you’ll build self-discipline, boost mental focus, improve your cardio fitness, and increase your heart rate for a stronger, healthier body.
Personal Training
No crowded gyms – just a friendly, supportive approach with personalised one-to-one personal training and energizing group fitness sessions. Need advice, support, or motivation? Book your personal training session today.
Other Services
In addition to our fun group fitness classes, we also offer Zumba® parties for adults and children, plus expert advice on fitness footwear and healthy living support.
Pilates - All Levels
Pilates offers powerful benefits for both your body and mind. That’s why we’ve included the WillPower Program® in these classes – to help you build strength, balance, and focus.
Toning & Conditioning
Our Body Toning & Conditioning class targets your entire body, helping you build strength and definition by engaging multiple muscle groups with light weights.
Book Your Classes
View our class timetable and book the fitness sessions that suit you—Zumba, Pilates, bootcamp, and more.
15 Years of Possibilities
With over 15 years of professional expertise, we bring trusted knowledge and proven results to help you reach your goals.
Payg from £3.50*
Exceptional Fitness Classes That Deliver Real Value for Your Money
All Pay-As-You-Go Classes Include Loyalty Cards and Incentives
Invest in your health with Fit by Sonic, where we prioritize delivering the best value for our customers. We proudly offer some of the most affordable Pay As You Go (PAYG) classes in South London.
Classes are held across South London at Streatham, Balham, and Clapham locations.
If you find a better deal on any of our listed classes elsewhere, let us know — we’ll gladly match it. Your satisfaction and well-being are our top priorities.
Standard 10 Class Pass – £40
Valid exclusively for Bootcamp and Zumba classes.
Multi 10 Class Pass – £55
Can be used for any class on the Fit by Sonic timetable.
Book now
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Join Hundreds of Healthy, Active People Today
If you’re thinking about joining, stop hesitating — come join a class and experience the difference! We promise you won’t regret it.
You already know exercise offers countless health benefits — from boosting your mood and strengthening your bones to reducing the risk of cardiovascular disease. But working out with a group takes it to the next level.
Joining a group fitness class not only helps you stay motivated and consistent, it also improves your social connections and makes your workouts more enjoyable.
Find the Right Fitness Group for You
At Fit by Sonic, our classes are designed to welcome all fitness levels and provide a supportive community that encourages you every step of the way.
Whether you love the energy of Zumba, the strength-building of bootcamp, or the mind-body balance of Pilates, we have the perfect class waiting for you.
Ready to Get Started?
Stop Thinking. Start Moving.
Book your first class now and join the hundreds of people transforming their health with Fit by Sonic.
At Fit by Sonic, we’ve been helping people lead healthier, happier lives since 2008. Our mission is to make fitness accessible, fun, and part of your everyday life.
We’re more than just a fitness studio — we’re a family. Our members understand the power of community and are always ready to support and motivate one another to achieve personal fitness goals.
Choose the option that suits you: Pay-As-You-Go Classes or Monthly Class Packages. Enjoy affordable pricing, loyalty rewards, and exclusive incentives designed to keep you moving and motivated.
What Our Clients Say About Fit by Sonic
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2025 – CLASS PRICE LIST PACKAGES
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New classes for 2025 will include a return of Kids’ classes! And Flex & Stretch starting on 5th February 2025.
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15TH YEAR PARTY CONTRIBUTE
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You Can Find All Answers Here FAQ
Choose something comfortable like a tracksuit or jogging bottoms with a T-shirt or sweatshirt for our classes. As for footwear, a pair of flat trainers or barefoot shoes Vibram is best.
For Bootcamp - as its an outside class
In the cold weather try to wear a couple of thin layers rather than one thick layer as it's easier to remove a layer if you get too hot.
You might want to bring some warm gloves and a hat, if it's hot and sunny then you might want to apply some water resistant sunscreen.
A waterproof or rain resistant jacket is handy for wet sessions.
Change of clothes to go home in as you can get very muddy depending on the weather.
Please avoid bringing valuables with you, as we cannot be held responsible for any losses.
Yes, it is best to book via our CMS we have partnered with goteamup to book your classes where you can manage your membership.
We recommend you book Toning & Conditioning and Pilates classes in advance as there are limited spaces.
Remember there are No comments with us we are pay-as-you-go . Download the apps after accepting the email request. If you wish for Fit by Sonic team are happy to manage your account. You can text, email and even call our team to help you or just turn up early and you should get a place.
Our classes do get very busy.
For health and safety reasons there is a maximum number of members who can attend each class.
Currently, our both Zumba dance classes have plenty of spaces.
No, your instructor will keep the moves as simple as possible. All our classes are for everyone for all different levels.
All other classes we shall ensure all is good before you start.
Yes, at Streatham Vale have free off-the-street parking on a yellow single line as it's after hours. Streatham Common you can park at Sainsbury for up to two hours. Please visit our time & location page for further details
All our classes are from £5.00 for a one-hour pay-as-you-go which are Zumba®, Toning & Conditioning, and Bootcamp. Our Pilates are £8.00, we believe we are the cheapest classes in South London and we want to remain the cheapest. If you find it cheaper we will give you a FREE class!
All classes include incentives - and we offer more savings i.e pilates from £3.5o with the Junkie card- Great Value
Contact Marina 0776525 6405