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Foundry: Fitness for Grown-Ups in the City

As Foundry celebrates the launch of its new PT-led gym in Moorgate and approaches its 10th anniversary, we sat down with co-founder Jean-Claude Vacassin to explore what makes this gym concept stand out. From dispelling myths about starting late in life to banning phones and mirrors, Foundry takes a refreshingly grown-up approach to health and fitness.


Why it’s never too late to start


Many new members arrive at Foundry feeling unfit or apprehensive. Vacassin insists this is perfectly normal: “You don’t have to be fit to get started, but you do have to get started to become fit.” Their 21-Day Challenge, complete with a one-to-one strategy session, ensures that every programme is tailored to the individual.


The importance of strength training


Walking and eating well are essential, but Vacassin stresses that strength and resistance training provide unique benefits. They build muscle tone, improve bone density, boost metabolism, and enhance mobility – ensuring not just a longer life, but a stronger one.


A different kind of gym


Forget muscle vests and endless mirrors. At Foundry, the ethos is simple: no phones, no peacocking, no egos. “We do fitness for grown-ups,” says Vacassin, emphasising a supportive environment where complete beginners train alongside long-standing members.


Motivation versus discipline


Motivation fades. Discipline sustains. Foundry tackles this by offering sessions every hour on the hour, booked via an app, making it easier for busy Londoners to stay consistent. Community and coaching provide the extra accountability needed to keep showing up.


What to avoid when starting out


The advice is straightforward: begin where you are, progress gradually, and learn correct technique. Done properly, resistance training can transform not only your body but your confidence.


Working out at home


If you’re not ready to invest in equipment, bodyweight training is underrated and effective. A handful of exercises performed in circuits can deliver impressive results. For those ready to upgrade, Vacassin recommends a kettlebell, dumbbell, or even “rucking” – weighted walking that strengthens the whole body while being kinder on the joints.


Balancing life, family, and fitness


Vacassin reminds us that it’s better to commit realistically to what you can sustain – two hours a week to begin with – than to burn out with an all-or-nothing approach. Incremental progress is the key to lasting change.




Listique Insight:

With its tenth anniversary on the horizon and its latest opening in Moorgate, Foundry continues to redefine fitness in London. For professionals balancing demanding schedules and families, its philosophy of discipline, community, and no-nonsense training is a refreshing alternative to the typical gym scene.


📍 New Location: Foundry Moorgate, 7 Moorgate, London EC2R 6AF

💻 foundryfit.com