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PureGym Altrincham · Greater Manchester

Declan McCarthy

Level 3 PT · Boxing · Body Confidence

From 20 stone to the bodybuilding stage — I've walked the exact road you're standing on. Now I coach people in Altrincham who feel stuck to do the same.

Currently accepting new clients in Altrincham
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Declan McCarthy — Personal Trainer at PureGym Altrincham
Declan McCarthy — before and after photograph showing his 20-stone weight loss transformation
The road I walked — 20 stone to the stage

This used to be me.

Declan McCarthy is a Level 3 qualified personal trainer in Altrincham, specialising in boxing, body fat reduction, muscle development and body confidence. Based at PureGym Altrincham, he helps people in Altrincham, Hale and Sale who feel stuck in their weight loss journey transform their health — because he's been exactly where they are now.

"When I joined PureGym I was 20 stone. Unhappy. Unhealthy. Convinced I'd never change. I did — and I can help you do the same."

The difference wasn't willpower or a magic diet. It was finding one thing I enjoyed — skipping rope — and building everything around it. Boxing, fat loss, confidence, consistency. The weight came off. Then kept coming off. Eventually I stepped onto a competitive bodybuilding stage.

That's why I became a PT. Because I know exactly how it feels to walk into a gym feeling invisible, convinced every other person there knows what they're doing and you don't. You don't need to figure it out alone. You don't need to have it sorted before you start. You just need someone who's walked that road before you.

Bespoke Plans

No copy-paste programmes. Every session built around your body, your schedule, your goals.

Boxing

The most fun way to burn fat and build real-world fitness. No experience needed.

Body Fat Reduction

Proven methods that worked on my own body. No gimmicks, no crash diets, no cardio-till-you-drop.

Muscle Tone & Development

Strength training that builds a body you actually want to see in the mirror.

Body Confidence

The real reason most people start. I help you get there step-by-step, session by session.

How It Works

From first message to first session in under a week — no hard sell, no pressure.

01

Say Hi

Message me on WhatsApp, fill in the form, or come and find me on the gym floor. I reply personally — no gatekeepers, no bots.

02

Free Consultation

We sit down, I listen. We talk through what you want, what you've tried before, what actually fits your life. You leave with real answers.

03

Transform

Start training with a plan built entirely around you. Track every session. Adjust every fortnight. Watch it work.

No commitment. No pressure. The consultation is genuinely free.

Qualifications

🎓

Level 3 Personal Trainer

Fully certified to design safe, effective programmes for any body

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Level 2 Gym Instructor

Foundational training in exercise science and safe technique

Fully Insured

Public liability and professional indemnity covered in full

🏋

PureGym Approved

Vetted and approved trainer at PureGym Altrincham

All qualifications verified and current.

Attitude Is Key

The free guide I wish I had when I was 20 stone staring at the door of the gym. Download it. Read it. Use it.

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Common Questions

No — Declan starts every client exactly where they are. Whether you've never picked up a dumbbell or you've been training for years, he builds a plan that matches your current fitness level and grows with you. Most of his clients started nervous. All of them got past it.
Yes, the consultation is completely free and there's no pressure to sign up. Come and have a chat on the gym floor at PureGym Altrincham. Declan is genuinely happy to answer your fitness questions even if you never train with him.
Yes — this is exactly what Declan understands better than most trainers. He was 20 stone himself when he first joined PureGym. He used skipping, training and consistency to transform his body, and he now teaches the same approach to people who feel stuck. You're not starting from scratch alone — you're starting with someone who's been there.
He's lived the transformation. Every plan is bespoke — no copy-paste programmes — and he brings boxing and skipping into sessions to make fat loss genuinely fun instead of another boring treadmill grind. You'll look forward to sessions instead of dreading them.
All sessions happen at PureGym Altrincham, 8-10 Stamford New Rd, WA14 1EJ. The gym is open early mornings through late evenings, so sessions can fit around almost any work schedule.
The fastest way is WhatsApp or the form on this page. Declan replies personally, usually within 24 hours, and will book you in for a free consultation first so you can chat face-to-face before committing to anything.

Let's Talk

You've read this far — that tells me you're serious about making a change. The next step is a conversation. No commitment, no pressure.

Level 3 Certified Fully Insured PureGym Approved
Declan McCarthy headshot

Book Your Free Consult

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You're all set!

Declan will be in touch within 24 hours. If you'd rather jump the queue, message directly on WhatsApp:

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From 20 stone to the stage — transformation coach in Altrincham · Book your free consultation Book Now →