South Wales Driver Medicals

Your First HGV Medical: A Friendly Step-by-Step Guide

By Dr. Al-Hassan, GMC# 6487521 · 5 min read · Updated 13 April 2026

Your First HGV Medical: A Friendly Step-by-Step Guide

If you're working towards your HGV licence, congratulations. It's a brilliant career move, and you're closer than you think. One of the first boxes you'll need to tick is your medical, and if you're feeling a bit nervous about it, you're not alone. Most first-timers are.

The good news? There's genuinely nothing to worry about. This guide walks you through everything, step by step, so you know exactly what's coming. No surprises, no stress.

What is an HGV medical?

An HGV medical is a health assessment required by the DVLA before you can hold a Group 2 driving licence (the category that covers HGV and LGV vehicles). The assessment uses a standard form called the D4 medical form, and it's designed to confirm that you're fit to drive a large vehicle safely.

Because this is your first application, rather than a renewal, the process is slightly different from what established HGV drivers go through. You'll be applying for a provisional Group 2 licence, so this is the first time the DVLA will be assessing your medical fitness. Renewals happen every five years up to age 65, then annually after that. For now, you're just focused on getting started.

It's not an exam you can pass or fail through effort; it's simply a check that your health meets the DVLA's standards. The doctor will assess your vision, general health, and a few key areas like blood pressure and BMI.

Find out more about our HGV medical service, including what's included and how to book.

Dr. Al-Hassan, GMC-registered medical director at South Wales Driver Medicals

Dr. Al-Hassan

Medical Director & DVLA-approved examiner

Dr. Al-Hassan is a GMC-registered doctor and the Medical Director of South Wales Driver Medicals. He has performed thousands of DVLA D4 medicals for HGV, PCV, LGV, and taxi drivers, and is known by his patients for being thorough, unhurried, and putting people at ease.

GMC #6487521 · Verify on the GMC register

What happens at the appointment, step by step

Here's the bit everyone wants to know. The whole appointment is straightforward and typically takes around 10 minutes. Here's how it unfolds:

1. Paperwork check You'll arrive, hand over your D4 form and ID, and the doctor will review your medical history section.

2. Vision test You'll be asked to read a number plate at a set distance (about 20 metres). If you wear glasses or contact lenses, that's absolutely fine; just bring them along.

3. Blood pressure and pulse A quick, standard blood pressure reading. Nothing unusual here.

4. Height and weight These are recorded so the doctor can calculate your BMI. Don't worry if you're not at your target weight; the doctor is looking at overall fitness, not perfection.

5. Urine sample You'll provide a small sample to check for sugar and protein. This helps screen for conditions like diabetes.

6. General health questions The doctor may ask about your medical history, medications, hearing, and any conditions you've previously been treated for. Be honest; it's confidential, and honesty helps you.

7. Physical examination A brief check of your chest, abdomen, and nervous system. It's gentle and quick.

8. Doctor signs the D4 form Once everything is complete, the doctor signs your form, and you're ready to send it off to the DVLA with your licence application.

For a full breakdown, you can also read our detailed guide on what to expect at an HGV medical.

Can you fail an HGV medical?

This is the question that causes the most anxiety, so let's put your mind at rest.

Most people pass without any issues at all. The medical isn't designed to catch you out. It's designed to make sure you're safe on the road.

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Having a medical condition doesn't automatically mean you'll be turned away. Many conditions, including well-managed diabetes, controlled blood pressure, and corrected vision, are perfectly compatible with holding an HGV licence. The doctor will talk you through your individual situation.

If there is a concern, the doctor won't just send you away with bad news. They'll explain what's been found, what you can do about it, and whether there's a pathway to getting your licence once the issue is addressed. In many cases, it's simply a matter of getting a GP letter or waiting for a condition to stabilise.

Tips for your first time

A few practical things that will make your appointment go smoothly:

  • Drink some water beforehand. You'll need to provide a urine sample, so arrive with a reasonably full bladder.
  • Don't skip meals. Low blood sugar can affect your blood pressure reading. Have a normal breakfast or lunch before your appointment.
  • Avoid caffeine right before. A strong coffee can temporarily raise your blood pressure. If you can, skip the espresso for an hour or so before your medical.
  • Wear your glasses or contact lenses. If you use them for driving, bring them. The vision test allows corrective lenses.
  • Be honest about your medical history. The doctor isn't there to judge you. They're there to help you get on the road safely.
  • Arrive a few minutes early. It gives you time to settle in rather than rushing through the door.

What to bring

Here's your checklist for the day:

  • Your D4 medical form, partially completed (you fill in your details; the doctor completes the medical section). You can download it from the DVLA or pick one up beforehand.
  • Photo ID (driving licence or passport).
  • A list of any medications you currently take, including dosages.
  • Your glasses or contact lenses if you use them for driving.
  • Details of your GP surgery (name and address), as this is required on the D4 form.

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If you have a medical condition such as diabetes, sleep apnoea, or epilepsy, it's worth bringing any relevant letters or reports from your specialist. This can help the doctor complete your form more quickly and accurately.

How to book

Booking your first HGV medical with South Wales Driver Medicals is simple. Choose the location that suits you best, pick a time, and we'll take care of the rest.

Our patients regularly tell us the experience is thorough, unhurried, and far less stressful than they expected. Dr. Al-Hassan has performed thousands of these medicals, and he's known for putting first-timers at ease.

Cardiff

7 Talygarn St, Cardiff CF14 3PS

02920 30 90 76

Saturday: 7PM-9PM, Sunday: 8AM-10AM

Swansea

Morriston Leisure Centre, Cwmrhydyceirw, Swansea SA6 6NN

02920 30 90 76

Saturday: CLOSED, Sunday: 11AM-2PM

Newport

Protherapy Clinic, 1 The Uplands, Rogerstone, Newport NP10 9EZ

02920 30 90 76

Saturday: 12PM-3PM, Sunday: CLOSED

Bridgend

Premier Inn Bridgend Central Hotel, The Derwen, A4061, Bridgend CF32 9ST

02920 30 90 76

Saturday: CLOSED, Sunday: 6PM-9PM

Mountain Ash / Abercynon

TY Antur Enterprise House, Navigation Park, Abercynon, Mountain Ash CF45 4SN

02920 30 90 76

Saturday: 4PM-6PM, Sunday: CLOSED

Port Talbot

Margam Community Centre, Port Talbot SA13 2AP

02920 30 90 76

Saturday: CLOSED, Sunday: 3PM-5PM

Bristol (Avonmouth)

AVON LODGE, Onroute Truckstops, Third Way, Avonmouth, Bristol BS11 9YP

02920 30 90 76

Saturday: 8:10AM-11AM, Sunday: CLOSED

FAQs

How long does an HGV medical take?

Around 10 minutes. It's quick, but never rushed. The doctor will take the time to do a proper assessment.

Do I need to see my own GP for an HGV medical?

No. You can have your D4 medical completed by any GMC-registered doctor. You don't need to go through your GP surgery, and most people find it quicker and more affordable to book with a specialist provider like SWDM.

What if I have a medical condition?

Having a condition doesn't necessarily prevent you from getting your licence. Many conditions are manageable within the DVLA's guidelines. The doctor will advise you on the day, and if further information is needed, they'll let you know exactly what steps to take.

Can I book on the same day?

We often have same-week availability, and sometimes same-day slots open up. The best way to check is to book online or give us a call on 02920 30 90 76.

What happens after the medical?

Once the doctor has signed your D4 form, you send it to the DVLA along with your licence application. The DVLA will process your application and, assuming everything is in order, issue your provisional HGV licence.


You've got this. Your first HGV medical is one small step in an exciting new chapter, and we're here to make it as straightforward as possible. Any questions at all? Get in touch and we'll be glad to help.

Frequently Asked Questions

How long does an HGV medical take?
Around 10 minutes. It is quick, but never rushed. The doctor will take the time to do a proper assessment.
Do I need to see my own GP for an HGV medical?
No. You can have your D4 medical completed by any GMC-registered doctor. You do not need to go through your GP surgery, and most people find it quicker and more affordable to book with a specialist provider like SWDM.
What if I have a medical condition?
Having a condition does not necessarily prevent you from getting your licence. Many conditions are manageable within the DVLA's guidelines. The doctor will advise you on the day, and if further information is needed, they will let you know exactly what steps to take.
Can I book on the same day?
We often have same-week availability, and sometimes same-day slots open up. The best way to check is to book online or give us a call on 02920 30 90 76.
What happens after the medical?
Once the doctor has signed your D4 form, you send it to the DVLA along with your licence application. The DVLA will process your application and, assuming everything is in order, issue your provisional HGV licence.