Do You Need a Health Check or Just a GP Appointment?

Confused about what you actually need? This guide breaks down the differences and helps you choose the right care path.

March 29, 2026

The Fundamental Difference

A GP appointment is problem-focused care. You've noticed something wrong — a symptom, illness, concern — and you need a doctor to assess it, diagnose it, and treat it. The appointment is reactive, targeted at a specific issue.

A health check (also called a "MOT" or preventative health screening) is proactive care. You have no immediate symptoms, but you want to know your health status, identify early risk factors, and catch problems before they become serious. It's a comprehensive assessment when you feel fine but want reassurance.

To put it plainly: see a GP when something is wrong. Have a health check when you want to make sure nothing is.

When You Need a GP Appointment

You should book a GP appointment if:

  • You have acute symptoms: Cough, fever, rash, diarrhoea, headache, chest pain, or any new symptom that concerns you.
  • You have a chronic condition that needs management: Asthma, diabetes, hypertension, arthritis — conditions that need regular monitoring and prescription adjustments.
  • You need a prescription: Whether it's antibiotics for an infection or a repeat prescription for a long-term condition.
  • You have a referral request: You need a letter to see a specialist, physio, or other healthcare provider.
  • You're unwell or in pain: Anything acute or acute-on-chronic that's affecting your daily function.
  • You need a specific medical service: DVLA medical, fit-to-fly certificate, workplace health assessment, sick note or fit note.

At Lambert Medical Practice, a GP appointment typically lasts 15–20 minutes and costs around £150–£200. If you need same-day care, we offer same-day appointments without NHS waiting lists.

When a Health Check Makes More Sense

You should book a health check if:

  • You feel well but want reassurance: You've had no symptoms, but you haven't had a thorough check in years and want a complete picture of your health.
  • You have a family history of disease: If your parents or siblings had heart disease, diabetes, cancer, or stroke, screening can catch early risk factors.
  • You're over 40 or 50 and want preventative care: Risk factors for cardiovascular disease, metabolic disorders, and cancer increase with age, and screening can identify them early.
  • You want to optimize your health: You're not ill, but you want to understand your baseline (cholesterol, blood pressure, fitness, blood sugar) so you can make informed lifestyle choices.
  • You're considering major lifestyle changes: Starting intense exercise, changing diet, or other wellness goals — a health check establishes your baseline before you start.
  • You want a comprehensive diagnostic assessment: Rather than scattered visits to different clinics, a health check provides a holistic view all in one place.

Our Health Check (MOT) at Lambert takes 60–90 minutes and starts from £299. It includes everything a GP appointment covers, plus comprehensive screening.

What's Included in a Lambert Medical Practice Health Check?

Our Health Check (MOT) is a GP-led, comprehensive screening that covers:

  • Full Medical History Review: Your GP discusses your personal and family health history, medications, lifestyle, and goals.
  • Physical Examination: Blood pressure measurement, heart and lung examination, abdominal examination, reflexes, and basic neurological assessment.
  • Comprehensive Blood Tests: Full Blood Count (anaemia), liver function, kidney function, cholesterol panel, glucose/HbA1c (diabetes screening), thyroid function, and inflammatory markers.
  • Body Metrics: Height, weight, BMI calculation, and waist circumference measurement.
  • Electrocardiogram (ECG): A 12-lead ECG to assess your heart rhythm and identify any electrical abnormalities.
  • Risk Assessment: Your GP calculates your cardiovascular risk score and reviews other disease risk based on results.
  • Consultation and Action Plan: A detailed discussion of findings and personalized recommendations for lifestyle, screening, or further investigation.

The full diagnostic approach at our centre means results are reviewed thoroughly, not just against reference ranges, but in the context of your complete health picture.

Cost Comparison: NHS vs Private

Here's where the private-versus-NHS picture becomes clear:

Factor NHS GP Private GP (Lambert)
Appointment Cost Free £150–£200
Waiting Time 2–4 weeks (avg.) Same-day or next-day
Appointment Duration 10–15 minutes (avg.) 15–20 minutes (GP appt); 60–90 min (Health Check)
Blood Tests (if needed) Free at GP surgery £65–£150 depending on panel
Health Check / MOT Not routinely offered £299 (comprehensive)
Same-Day Availability Rare Standard

Can You Have Both on the Same Day?

Yes — and sometimes it makes sense. For example, you might come in with a specific problem (cough, back pain) that needs a GP appointment, but the GP may recommend a health check if you haven't had screening in years. Or you may book a health check and discover an incidental finding that needs follow-up.

The advantage of a private practice like Lambert is flexibility. If you need a GP appointment and screening tests on the same visit, we can coordinate that without weeks of waiting. Book online or call us to discuss your specific needs.

Our GP-Led Diagnostic Approach

Whether you choose a GP appointment or a health check, Lambert's difference is that results aren't just numbers — they're interpreted by qualified GPs in the context of your symptoms, history, and goals. This GP-led diagnostic approach means you get answers, not just data.

Frequently Asked Questions

A comprehensive health check at Lambert typically takes 60–90 minutes. This includes the physical examination, blood tests, ECG, and the initial GP consultation. Results are available within 2–5 working days, followed by a detailed follow-up consultation to discuss findings and recommendations.

A comprehensive health check (MOT) at Lambert starts from £299. This includes all screening tests, physical examination, blood work, ECG, and GP consultation. A standard GP appointment alone costs around £150–£200. Blood tests can be added separately if needed (£65–£150 depending on the panel).

Yes. We recommend fasting for 8–12 hours before your health check appointment, as this ensures accurate glucose and lipid measurements. You can have water. We'll confirm all preparation instructions when you book.

Which Path Is Right for You?

If you're unsure, ask yourself: Am I coming because something is wrong, or because I want to make sure nothing is?

If something is wrong, you need a GP appointment. If you want reassurance and a complete health picture, a health check is the answer. And remember — you don't have to choose alone. When you book, tell us what brings you in, and we'll recommend the best path for your situation.

Quick Comparison
GP Appointment Health Check
Problem-focused Preventative
15–20 minutes 60–90 minutes
£150–£200 £299+
Symptom assessment Comprehensive screening
Diagnosis & treatment Risk assessment
Book Your Health Check

Comprehensive screening to understand your complete health picture.

From £299

  • Physical Exam
  • Blood Tests
  • ECG
  • Risk Assessment
  • Action Plan
Book Now

60–90 minutes

Need a GP Appointment?

Same-day or next-day appointments for symptoms, prescriptions, and medical needs.

£150–£200

Learn More Book
Opening Hours
  • Monday–Friday: 08:00–18:00
  • Saturday: 09:00–13:00
  • Sunday: Closed

380 Ewell Road, Tolworth, Surbiton KT6 7BE

0208 133 5694

Need Answers, Not Just Results?

Book a GP consultation, blood test or health screening at Lambert Medical Practice in Surbiton. Our GP-led diagnostic approach helps identify causes and guide your next steps clearly.

380 Ewell Road, Tolworth, Surbiton KT6 7BE • 0208 133 5694