Monday to
Saturday
8AM – 8PM
Sunday
9AM – 7PM
The Sidings,
Waterloo Station,
London SE1 7BH
After 00:00, enter via the Curve, next to the Leeke Street arches, off York Road.
Coming soon! Flexera, the brand shaking up the fitness scene with its aesthetic folding reformer, is bringing a month-long Pilates pop-up to The Sidings at Waterloo Station from 18th October – 15th November 2025.
Whether you’re a Pilates pro or a total beginner, this is your chance to try reformer workouts in a brand-new way. Flexera’s game-changing Folding Reformer makes the benefits of reformer Pilates more accessible, stylish, and space-savvy than ever – no need for a huge studio to feel the burn. With the Flexera Studio App and Reformer you can have your own personal instructor from your living room!
Here’s what you can expect at the pop-up:
The Flexera Pop-Up Studio will be open daily at The Sidings, Waterloo Station from 18th October to 15th November 2025. Drop in for a class, fall in love with Reformer Pilates (if you aren’t already), and discover why Reformer Pilates is the workout everyone won’t stop talking about.
For more info and to book your session: Follow along on Instagram: @joinflexera