What to ask, what a proper assessment looks like, and how to tell a coach who builds habits from one who just counts reps.
Cambridge has no shortage of personal trainers. What it has less of is a clear way to tell them apart. Most websites say the same things — bespoke plans, results, accountability — so the decision usually comes down to price and proximity. Those are the two worst reasons to pick a coach.
Here is a more useful way to think about it. You are not buying an hour of exercise. You are buying somebody's judgement: what they decide to load, what they decide to leave alone, and what they change when the plan meets your actual week. Everything below is a way of testing that judgement before you pay for it.
Start with the assessment, not the programme
Any coach can write you a programme. The question is what that programme is based on. Before you are loaded with weight, a trainer should have watched you move: how you squat, hinge, press, and breathe, where your hips and shoulders run out of range, and what your back does under fatigue. If nobody has looked at your movement, the plan is a guess.
A good assessment is not a clinical examination and it should not end with a list of things that are wrong with you. It ends with one or two priorities — the most useful place to start — and a clear reason why. If you leave the first session with a diagnosis and a fear, that is a sales tactic, not coaching.
Ask directly: what happens in the first session? If the answer is a workout, keep looking.
Questions worth asking before you book
- What qualifications and insurance do you hold, and how long have you been coaching?
- What happens in the first session, and what do I leave with?
- How do you work around injuries or long-standing niggles?
- What does a typical training block look like, and how do you decide when to change it?
- How do you measure progress beyond bodyweight?
- What do you expect from me between sessions?
- What happens if my schedule falls apart for three weeks?
Listen for reasoning rather than confidence. A coach who says "because it's what works" is telling you they have never had to justify a decision. A coach who says "because your right hip gives up before your left and I want that loaded evenly before we add weight" is thinking about you specifically.
Habits beat intensity
The trainer who leaves you flat on the floor is easy to remember and easy to quit. Progress comes from sessions you can repeat for months, sleep that actually recovers you, and eating that fits your week rather than fighting it. A coach who never asks about your sleep, your work hours or your stress is only ever going to see a third of the picture.
This matters more the more demanding your job is. If your week can swing from calm to brutal without warning, a programme that only works on a good week is a programme that will be abandoned. The right coach builds something that bends.
Fit the training to Cambridge life
Most people training here are desk-heavy and bike-heavy: long hours at a screen, a hard commute on two wheels, and very little in between. That combination produces stiff hips, cranky shoulders and a lower back that complains by Thursday. Good coaching in this city takes that as the starting point rather than programming as if you had unlimited time and a perfect setup.
Location matters too, but only in practical terms — sessions you can reach either side of a working day get done. Central venues with parking and secure bike storage remove the excuse that ends most training blocks.
Red flags
- No assessment before loading
- Selling supplements or meal replacements alongside coaching
- The same programme visible on every client's social media
- Weight loss promises with a deadline attached
- No conversation about sleep, stress or recovery
- An answer to every question that begins with the word "basically"
Try before you commit
A discovery call costs nothing and tells you almost everything: whether the coach listens, whether they explain their reasoning, and whether you would happily spend an hour a week with them. Trust that more than any transformation photo.
If you want to test all of that in one conversation, that is exactly what a discovery call is for.
Book a discovery callCommon questions
- How much does a personal trainer cost in Cambridge?
- Most Cambridge personal trainers charge between £45 and £70 per hour for 1:1 coaching. Blocks and memberships usually bring the per-session cost down. At Strength by Design sessions are £60, with blocks and a monthly membership that reduce the rate.
- How many sessions a week do I need?
- Two coached sessions a week is the sweet spot for most people starting out. One a week works well if you are confident training on your own between sessions and want technique and programming support.
- Do I need to be fit before I start?
- No. A good coach starts with an assessment and builds from where you actually are, including around old injuries, desk posture and limited mobility.
Written by Thomas Beeston, holistic strength coach at Strength by Design.
Apply this approach through in-person coaching in Cambridge or online coaching worldwide.




