iDFITNESS – Strength Training & Personal Training in Windsor & Waltham Cross
Feel centred. Feel like you again
iDFITNESS is the place where your strength & fitness journey becomes self-discovery—with support from real coaches, for real life.
Expert Strength Training in Windsor & Waltham Cross
Personal training designed for real people.
iDFITNESS offers evidence-based group strength training programs in Windsor, Waltham Cross, and nearby areas—helping you reach your personal best, wherever you are in life.
Find Your Balance—In and Out of the Gym
“Life is a constant balancing act—work, family, social life, and personal challenges all weigh on us. At iDFITNESS, our True Line philosophy and supportive strength training make you the steady centre for whatever life places on your scales. With expert guidance and community encouragement, you’ll build resilience, confidence, and real balance both inside and outside the gym.“
Personal Training With Real Results
If you’re searching for personal training in Windsor, Waltham Cross, or surrounding towns, iDFITNESS meets you where you are—whether you’re new to the gym or ready to take your training further.
Our expert coaches deliver tailored strength programs for busy adults from Eton, Old Windsor, Datchet, Cheshunt, Broxbourne, and Hertford, ensuring you build momentum from your very first visit.
Strength Training For Your Life
Join the leading personal training gym in Windsor & Waltham Cross—where strength training is personal, motivating, and built for your real life.
Why Choose iDFITNESS in Windsor & Waltham Cross?
Flexible booking: Train on your terms, with sessions optional for early mornings, afternoons, evenings, and weekends.
Expert coaches: All programs led by industry leaders in strength, technique, and personalised support.
Real results: Build muscle, confidence, and lasting momentum, whether your goal is fat loss, fitness, mobility, or living a better quality of life.
Community support: Jump into group sessions that are fun, energetic, and always supportive—perfect for motivation and accountability
Our Strength Training Programmes
iDFITNESS offers:
- Small group personal training in Windsor and Waltham Cross
- Body composition scanning & nutrition coaching
- Results-focused
- Large group fitness classes to complement your strength routine
- Bespoke plans for men, women, busy professionals, and those returning to fitness
Every programme is shaped to fit your current lifestyle and goals—helping you build consistency, strength, and renewed purpose inside and outside the gym.
Listen to what our members are saying
“Just Brilliant”
Testimonial
“I am having a wicked time”
Testimonial
“Before iDFITNESS, I felt constantly pulled in every direction—work, kids, stress, and no time for myself. Their strength training and True Line philosophy helped me regain confidence, energy, and balance. I’m finally proud of the person in the mirror.”
— Sarah, Windsor
“Small group PT keeps me accountable and challenged—and the flexible schedule fits my busy life perfectly. Can’t recommend iD enough.”
— Neil, Waltham Cross
“Nick and the team make every session feel like a win. I started unsure and nervous, and now I’m stronger, more motivated, and have built amazing friendships along the way.”
— Paul, Windsor
Ready to feel stronger, more balanced, and supported?
Ready to feel stronger, more balanced, and supported? Your first session is free—just click to join!
Every journey at iDFITNESS begins with that first session—book a trial session and discover your True Line today. Spots for our next 6 Week Challenge fill fast—secure yours now!
Discover the Benefits of training with idfitness
Flexible booking
Experience flexibility tailored to your busy life with our on-the-hour appointments. You can easily book or cancel sessions up to 45 minutes before the scheduled start time, ensuring your fitness routine seamlessly integrates with your dynamic schedule.
individualised
We individualise our group programming structure to align with your needs, ensuring that every fitness experience at iDFITNESS is tailored to your personal goals and preferences.
Health comes 1st
Your health and wellness take centre stage at iDFitness—our unwavering commitment is to prioritise and support your well-being above all else.
Windsors best gym
We pride ourselves on being the best gym of it’s type in Windsor.
No other gym offers what we do, and no gym delivers it like we do. You’ll be in the right place to train.
Results
Our accountability systems make it almost impossible for you to not achieve the results that you are after.
long term success
From day one, we are setting you up for sustainable, long term success. We want you to live longer, feel how you deserve to feel and have a great time doing it.
I’ve never felt more supported, and it’s been a key part of my success. If you’re looking for a place that genuinely wants to see you thrive in every aspect of your wellness, IDFitness is it! Highly recommend.
I’d been looking to join a local gym in Windsor for some time and after doing lots of research and seeing all the positive reviews, decided to give ID a try. I am so glad I did.
When I first walked in I was unfit, self-conscious, unfamiliar with gym equipment and my exercise clothes had seen better days. I started on their 8 week programme and now after only 3 months I barely recognise myself. The classes and equipment are varied, flexible and fun, with small group tailored PT sessions as well as larger classes. The environment is welcoming and clean, where everyone is treated with encouragement, kindness and respect regardless of ability, age or experience. Nick and his hand picked team are industry experts – highly professional and caring, listening to and positively challenging their members to help them achieve their health and fitness goals through building consistency, strength, technique and social connection.
I love coming here and have met some lovely people along the way too, which was an unexpected bonus. I look forward to continuing to train at ID, and feel excited about achieving my health and fitness goals with their support.
It also feels great to support an independent business.
Thank you x
