Personal Training vs Group Classes: Which Suits Your Goals? - The Training Journal, The Highgate House, Highgate N6

Personal Training vs Group Classes: Which Suits Your Goals?

October 15, 2026•6 min read

Group classes suit you if your main goals are general fitness, enjoyment and the structure of a timetable, and you already move reasonably well. Personal training suits you if you want a specific outcome (more strength, fat loss without losing muscle, training around an old injury, learning to lift properly), need a programme that progresses week by week, or have struggled to stay consistent on your own. The honest difference is not intensity. A good class can be very hard. It is individualisation: a class is built for the room, personal training is built for you.

I am a personal trainer, so I will be upfront about the bias. But I have also recommended classes to clients, and plenty of people do well with both. Here is how to decide.

What you actually get from each

Group classes

A fixed session, designed in advance for anyone who might turn up. The instructor leads from the front, gives general cues, and corrects the most obvious problems when they can. Classes are usually 45 to 60 minutes, often circuit-based or rhythm-based (spin, HIIT, barre, Pilates, boxing-style conditioning), and the format repeats or rotates weekly. What you get is energy, routine, variety and other people.

Personal training

A session written for you, based on an assessment of how you move, your history and your goals, and adjusted on the day according to how you are. A coach watches every rep, records what you lift and progresses it deliberately. What you get is attention, precision and a plan. In a private studio like ours you also get the room to yourself, which changes the experience more than most people expect.

The comparison, side by side

Group classes 1-1 personal training
Programme Same for everyone in the room Written for you, changed as you progress
Coaching General cues, limited individual correction Every rep watched and coached
Progression Mostly self-managed; hard to track loads Planned and recorded week to week
Injuries and history You adapt the exercise yourself Exercises chosen around them
Scheduling Fixed timetable Agreed with your coach
Atmosphere Social, energetic, music Quiet, focused, private
Accountability A booked slot; nobody notices if you miss it A person expecting you and tracking your attendance
Cost Lower per session Higher per session

Where group classes win

  • Enjoyment and energy. If you like music, other people and a bit of shared suffering, a good class is hard to beat, and the exercise you enjoy is the exercise you keep doing.
  • Cardiovascular fitness. Spin and conditioning classes are an efficient way to accumulate the moderate and vigorous activity the NHS activity guidelines recommend.
  • Cost per hour. You can do several classes a week for the price of fewer coached sessions.
  • Variety. If you get bored easily, a rotating timetable helps.

Where personal training wins

  • Getting stronger. Real strength gains need a programme with planned progression of load. Classes rarely track what weight you lifted last week, so most people use the same dumbbells for months.
  • Technique on heavier lifts. Squats, deadlifts and presses with real weight need coaching. A class instructor watching twenty people cannot give that.
  • Injuries and history. If you have a shoulder that complains or a back that has gone before, you want exercises chosen for it, not modified on the fly.
  • Specific outcomes. Fat loss while keeping muscle, preparing for a ski trip, getting back to running, building muscle after 40: these all need a plan built for the goal.
  • Privacy. Some people simply do not want to train in front of others, at least to begin with.

The common mistake with classes

The issue I see most often is not classes themselves. It is relying solely on high-intensity circuit classes for months and wondering why strength and body shape have stopped changing. Circuits are tiring, and fatigue feels productive, but being exhausted is not the same as progressing. Muscle and strength need progressively heavier loads, adequate rest between sets and enough recovery between sessions. If that sounds like your situation, our comparison of HIIT vs weight training for fat loss is worth a read.

The common mistake with personal training

Using it as your only exercise and then expecting large changes from one hour a week. One coached session is a good start; it works better with walking, a second session or, yes, a class or two on top.

Combining the two

For many people the best answer is both. A pattern that works well:

  1. One or two coached strength sessions a week, where the heavy, technical work is done and progressed.
  2. One class a week for conditioning and enjoyment: spin, a run club, a Pilates class.
  3. Daily walking, which matters more than people think.

The coached sessions also make classes better. Once you know how to hinge, brace and squat properly, you take that into every class you attend. If you are unsure how many sessions you need, see how often to see a personal trainer.

Questions to ask yourself

  • Do I have a specific goal, or do I mainly want to be fitter and enjoy it?
  • Have I been doing classes for six months without much change?
  • Do I have an injury or history that makes me cautious?
  • Do I turn up more reliably when a person is expecting me?
  • Do I want to learn to lift properly, so I can train well for years?

Two or more “yes” answers usually point towards personal training, at least for a block of a few months. Our private personal training in Highgate is 1-1 in a basement studio on Archway Road, booked to you alone during your session.

Whichever you choose, check with your GP first if you have a heart condition, are pregnant, are recovering from injury or surgery, or are returning after a long break.

Questions we get asked

Are group classes enough to build muscle?

Some, especially for beginners, but progress tends to stall because loads are light and rarely tracked. Dedicated strength training with progression works better.

Is personal training worth it if I already go to classes?

Often, yes, particularly for a few months to learn technique and get a strength programme in place. Many people then keep both.

Do you run group classes at the studio?

No. The studio is for coached 1-1 personal training only. Details are on the personal trainer Highgate page.

Which burns more calories?

A hard class may burn more in the hour. That is less important than what builds muscle and what you keep doing over months. More at The Highgate House.


Book with The Highgate House

Ready to start training properly? Email us at [email protected] with the service and the day that suits you, and we will come back to you with times.

Visit The Highgate House · Private personal training

The Highgate House, Archway Road, Highgate, London N6.

blog author avatar

Artem Olekhnovych

Personal trainer with over ten years of coaching experience. Runs private 1-1 training at The Highgate House, Highgate N6.

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