CityEC3

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City Rig

More Than Just A Gym

With a custom-built rig at its heart, our open-plan training space is big and bold.

City Swimming Pool 2

Swim

Immerse yourself in the 20-metre pool. The bronze angled mirror-finish ceilings reflect shimmering light as you train. The latest ultra-violet filtration technology works like intense sunlight to keep the water permanently purified. Less chemicals, more comfort. Water your skin will love.

City Swimming Pool

Sauna & Steam

Embrace the heat: a sauna with ergonomically designed Iroko benching and floor-to-ceiling glass walls that overlook the pool. A porcelain-tiled steam room, with menthol infused steam to clear your pores and airways. Emerge relaxed and refreshed.

City Changing Room

Changing Rooms

Our changing rooms are more boutique hotel than gym. With natural skin, hair care products and fluffy towels finish each workout refreshed, relaxed and ready for the world.

City Hot Yoga

Mind & Body

A space to focus and relax. The sculptural, curved ceiling and walls in our hot yoga studio promote calmness and serenity. Can’t spot the heaters? We use Europe’s only infrared-mirrored panels to create a range of temperatures suited to each class.

City Gym Floor

Train

Enjoy over 8,000 square feet of open gym space at Third Space City. Reach a new personal best on Technogym resistance machines and free weights or sweat on the latest Woodway treadmills.

City Cycle Studio

Cycle

Go deeper: unique light displays and sound tracks designed for each class. Ride high with tiered bikes for the best view. Test your endurance with headwinds from industrial turbines

City HiiT Studio

High Intensity Studio

Close the door and block out the distraction – this is where work happens. With adaptive lighting, surround sound and integrated MyZone technology, pushing yourself to new limits has never been more enjoyable.

Concrete and bronze, primal and refined – Third Space City combines serious training with luxury. Just three minutes from London Fenchurch Street Station.

FIND US

40 Mark Lane,
London EC3R 7AT

CLUB HOURS

Monday – Friday 06:00 – 22:00
Saturday – Sunday 08:00 – 20:00
Bank holidays – 08:00 – 20:00

CONTACT

0207 534 2888

GENERAL MANAGER

Courtney Sexton

Club Facilities

City Rig

City Swimming Pool 2

City Swimming Pool

City Changing Room

City Hot Yoga

City Gym Floor

City Cycle Studio

City HiiT Studio

Physiotherapy

Award-winning classes led by the best instructors in London. Third Space City offers a huge range of classes that make fitness fun.

Filter:

Sound Bath

Lose yourself in deep relaxation and meditation. A unique soundscape of gongs, crystal bowls and percussion instruments will leave you feeling calm and rejuvenated.

Cycle at Third Space

Just Ride – Cycling Classes

Switch off. Just Ride. Tempo cardio intervals with climbs and sprints. Lose yourself in the music.

Lift class

Lift- Weightlifting Classes

Create a strong, athletic and powerful body using progressively heavier weights under the careful instruction of your trainer.

Afterburner – Functional High Intensity Training

A high-intensity class that pushes EPOC (excess post-oxygen consumption) so that your body keeps working even after the session has finished.

Dumbbells exercise at Third Space Clapham Junction

Sweat X – Conditioning Classes

The most effective way to define and sculpt your body. 20-25 mins interval training on the treadmill combined with 20-25 mins of conditioning work using dumbbells and pull up bars to give the maximum fat burn.

The WOD

The WOD – Workout of the Day Classes

Your Workout of the Day. Inspired by cross training, expect “EMOMs” and “AMRAPs” as standard and be prepared to dig deep and push hard. The WOD combines effective high intensity training and strength work in an encouraging and motivating environment.

HIIT studio workout at Third Space

A pyramid style, full body metabolic conditioning workout. Strengthen your body using resistance exercises interspersed with high intensity plyometric moves, building intensity throughout the workout.

Pulse at Third Space

Set to the beat of the music, this low-impact barre workout uses ballet and Pilates-inspired isometric strength training techniques.

Third Space Formula 3 Class. The Formula to get you fit fast

Formula 3 – Rowing and Kettlebell Classes

This is the Formula to get you fit, fast. A competitive, high intensity circuit with 3 targeted blocks, for a full spectrum workout. First, cardio on Concept2 rowing machines; Second, strength with kettlebells and dumbbells; Finally, athletic power and speed with bodyweight exercises. Get fit in 3… 2… 1

speed fiends

No more pounding the treadmill for hours, get a lean and toned body fast! This class, designed in collaboration with an Olympic sprinter will improve speed and power. Sections of progressive running interspersed with Sprint intervals and inclines will torch calories working the whole body.

Find your Personal Trainer

Third Space PT Adefemi Aina

Whether you’re training for peak sporting performance or to feel stronger in day-to-day life, Femi helps clients master foundational movement patterns to reach their goals.

Danny knows that your goals are unique—so your training and nutrition should be too. It’s time to ditch generic plans and take a smarter, more personalized approach. No more one-size-fits-all routines or going through the motions.

Third Space PT Emma Den-Hartog

Emma den Hartog

Emma understands the benefits of training go beyond physical appearance and focuses on the mental and emotional aspects of fitness as well.

Third Space PT Greg Levy

Greg believes that constant, small improvements to training and nutrition yield big results over time.

Third Space PT Hannah Ross

Hannah views movement as a privilege and aims to inspire her clients to feel the same.

Third Space PT Rob Clark

Rob understands the importance of getting it right first time, making clients feel at ease and taking the intimidation out of weight training.

Third Space PT Sam Lynch

Sam’s goal is to help you build a strong and resilient body for life through individualised training and a sustainable nutrition strategy.

Third Space PT Sara Rokicki

Sara strives to understand each client’s needs thoroughly as the key to delivering real quality-of-life improvements.

Third Space PT Jan Tapaq-Rojas

Tupaq makes difficult things easy. Getting stronger, leaner, healthier; whatever your goal is, he will get you there and make it fun at the same time.

Stephanie Goold,

Sonny Reneti Third Space PT

Sonny is passionate about helping people build strength, improve movement, and develop sustainable training habits. His coaching blends science and real life application to deliver lasting results. He believes that with the right approach, anyone can achieve peak performance in both life and fitness.

Jessica Harman Third Space PT

Jessica’s approach is seated in wellness by aligning your training to your lifestyle and goals with elements of strength, fitness and flexibility through personal training and private yoga.

Philip Nolan Third Space PT

With over 12 years of international experience from Dublin to Sydney, Phil specializes in sports-specific training, weight loss, and muscle gain. He focuses on both physical and mental training, helping clients build healthy, sustainable long-term habits.

For Sophie, fitness goes beyond physical results – it’s about strength, confidence, and balance. She prioritises health-first training, helping clients feel and function at their best. She believes progress is measures first and foremost in energy, resilience, and well-being.

Paul believes that fitness is one of the greatest investments a person can make in themselves. It’s not just about looking good—it’s about feeling strong, moving with confidence, and building the resilience to take on whatever life throws your way.

Milly Issac Third Space PT

Lucy is a passionate and motivated trainer who sees fitness as a lifestyle, not just performance. A former competitive swimmer and rower turned CrossFit coach and personal trainer, she uses years of experience to help others move better and push their limits.

Be part of something bigger.

Membership

Group Plus

£305

Includes use of all Third Space Clubs. Initial access to these clubs will be staggered due to waitlists and access dates to each club will be confirmed on joining.

Group

£279

Group membership includes full access to all Third Space clubs, excluding Mayfair. Initial access to these clubs will be staggered due to waitlists and access dates to each club will be confirmed on joining.

Club

£230

Includes access to City club only.

Enquire today