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Programmes

Performance Optimisation
in London

Performance optimisation is the science of making your body work at its highest capacity, not just for sport, but for life. At BTX, we apply elite level training and nutrition methodology to professionals, executives, and serious athletes who demand more than a standard gym experience.

5.0218 Google reviewsFree 15 minute callNo sales pressure
500+
Body transformations
5.0
218 Google reviews
InBody
770 medical grade scans
1:1
Never shared sessions
7 days
Open 6am to 10pm
BTX coach spotting a client through a seated dumbbell shoulder press

Performance Optimisation

What Is Performance Optimisation?

Performance optimisation combines strength training, body composition management, clinical nutrition, sleep and recovery protocols, and biometric tracking to elevate every measurable aspect of your physical capability. It’s the approach used by professional athletes, adapted for high performing individuals who want the same results without the full time training schedule.

Performance Optimisation

Performance Optimisation at BTX

01

The BTX Approach

Led by James Cooper, Clinical Nutritionist and the youngest British born recipient of a Brazilian Jiu Jitsu black belt, BTX’s performance methodology is built on 4 pillars: structured training, personalised nutrition, recovery optimisation, and data led accountability.

Every 4 weeks, we rescan on the InBody 770 to track fat mass lost, lean muscle gained, and metabolic changes with precision. Your programme evolves with you.

02

Who Is Performance Optimisation For?

Performance optimisation at BTX suits busy professionals and executives in their 30s, 50s who want their body to match their ambition, building strength, improving energy, managing weight, and performing at their best both in and out of the gym.

03

Based in North London

Our private studio is at 529a Finchley Road, NW3, accessible from Hampstead, Golders Green, West Hampstead, Belsize Park, and Swiss Cottage.

Why BTX?

A gym rents you space.
We deliver a result.

Lasting change needs a programme, not drop in workouts. Everything at BTX is built around your data, your schedule and a coach who is with you for every rep.

A commercial gym
  • A busy gym floor shared with other members
  • No way of knowing the standard of the personal trainer you get
  • You rent space and equipment
  • A generic plan, or no plan at all
  • Progress judged by the bathroom scale
  • No blood work, no clinical oversight
  • No gut microbiome testing
  • Generic supplements sold at the counter
  • Restrictive diets you can't stick to
  • Motivation fades by week 3
The BTX method

We work with you, not against you.

  • A small, private studio: no other members and no distractions
  • Hand selected coaches, each trained personally by James Cooper in the BTX system
  • A dedicated personal trainer with you for every 60 minute session
  • Periodised strength and conditioning programming built from your scan and movement assessment
  • InBody 770 scans every 4 weeks: body fat, muscle and metabolic rate measured
  • Personalised blood work with Dr Matt Milner (A&E consultant)
  • Gut microbiome testing, the foundation most personal trainers ignore
  • Nutrition and supplementation protocols designed by James Cooper, BSc Nutrition, King's College London
  • Nutrition built around your lifestyle, food and schedule, never restrictive
  • Coach led accountability, session after session

How it works

From first call to
first result

01

Book your free strategy call

15 minutes with a BTX coach to talk through your training history, health, goals and schedule. No sales pressure.

02

Get scanned and assessed

Your InBody 770 scan measures body fat, skeletal muscle and metabolic rate, alongside a full movement assessment.

03

Start your 12 week programme

Periodised training and realistic nutrition, with a rescan every 4 weeks, so progress is measured, not guessed.

Client results

Real people.
Measured results.

★★★★★
“I am halfway through my 12 week program and have already dropped 5% in body fat and added muscle.”
Moritz12 week programme · Trustpilot
★★★★★
“I have been training with Justin for over a year and am blown away with the result. Justin and the team really know their science.”
Jean-PhilippeClient for 1+ year · Trustpilot
★★★★★
“The team at BTX supported me in getting my fitness and strength back. Justin is incredibly focused and committed.”
ShivaStrength and fitness · Trustpilot

Free strategy call

Speak to a coach,
your way.

  • Free, with no obligation
  • A BTX coach, never a salesperson
  • A call back or a set time, you choose
Quickest
Option 1

Request a call back

Leave your name and number and a BTX coach will ring you. No diary to check, no slot to commit to.

About 30 seconds · we call you
Request a call back
Option 2

Pick a time now

Know when suits you? See the coaches' live availability and lock in your call straight away.

Live diary · instant confirmation
Can't see a time that works?Call 020 8138 9413WhatsApp us

FAQ

Questions,
answered.

Still unsure if BTX is right for you? Ask us directly. We reply fast on WhatsApp.

Training at BTX is priced as a membership, not per session, because lasting results need a programme rather than drop in workouts. We match the plan to your goals on your free strategy call. Most clients train 2 to 4 sessions a week.

Most clients see measurable changes in body composition within 4 to 6 weeks of following their programme consistently. We check it with an InBody 770 rescan every 4 weeks.

No. We don’t prescribe restrictive meal plans. Your nutrition is built around your lifestyle, food preferences and schedule, so it lasts beyond the 12 weeks.

Yes. We work with clients managing type 2 diabetes, hypothyroidism, osteoporosis, high blood pressure, cardiac conditions and recovery after surgery.

Every clinical case at BTX is reviewed with Dr Matt Milner, A&E consultant and our in-house physician. He oversees blood work, interprets results in the context of your training, and liaises directly with your GP or specialist where appropriate.

This clinical oversight is one of the biggest reasons clients choose BTX over a conventional personal trainer. Most PT studios cannot offer this.

Free strategy call

Your 12 weeks
start with
1 call.

Leave your details and a BTX coach will call you for a free 15 minute strategy call. We’ll map your goals, your schedule and the plan that gets you there.

  • Free, with no obligation
  • Speak to a coach, not a salesperson
  • Limited 1 to 1 slots each month
Request a call back

Rather pick a time yourself? See available times
Prefer to talk now? 020 8138 9413 · WhatsApp