Completing the D4 Medical Form is a crucial step for anyone applying for or renewing their HGV, PCV, or
other commercial driving licences in the UK. However, many applicants make avoidable mistakes that result
in application delays or rejections. In this blog, we’ll walk you through step-by-step guidance to accurately
fill out your D4 form, share common pitfalls to avoid, and provide expert doctor advice to ensure a smooth
process.
What is the D4 Medical Form?
The D4 form is an official document from the DVLA (Driver and Vehicle Licensing Agency) required for:
● First-time applications for HGV/PCV licences
● Licence renewals at age 45 and every 5 years thereafter (or yearly after 65)
● Those with medical conditions impacting their ability to drive
It includes a medical assessment that must be filled out by a registered doctor.
What Does the D4 Form Cover?
The form contains three sections:
1. Applicant’s Personal Information
● Name, address, date of birth, and licence number
2. Medical History Declaration
● Questions regarding vision, neurological issues, cardiovascular health, diabetes, mental health, etc.
3. Doctor’s Examination Report
● Filled in by a GMC-registered doctor, covering.
● Vision (with or without glasses)
● Blood pressure
● General physical and mental health
● Neurological and cardiovascular assessment
Step-by-Step: How to Correctly Complete Your D4 Form
1: Download the Latest D4 Form
or you can order from DVLA or you can collect from local post office
2: Fill Out Section 1 – Personal Details
● Ensure the spelling of your name matches your current licence or passport.
● Use a black ballpoint pen and block letters.
● Double-check your address and contact details.
3: Book Your Medical Examination
● Visit a DVLA-approved medical provider like Driver Medical Test Clinics.
● The doctor will fill out the remaining sections after the examination
4: Undergo a Full Medical Check
● Bring photo ID, driving glasses/contact lenses (if any), and a list of medications.
● The doctor will:
○ Test your vision (with a Snellen chart)
○ Check your blood pressure
○ Ask about any current or past medical conditions
○ Complete and sign the D4 form
5: Review the Completed Form
● Ensure no fields are left blank.
● Ask the doctor to stamp and sign the form.
● Check that your vision test section is completed thoroughly.
6: Submit to the DVLA
● You can send the D4 form with your application for a new or renewed licence.
● If renewing, use the D2 pack along with the D4.
● Send to: DVLA, Swansea, SA99 1BR
Common Mistakes to Avoid
● Leaving any fields blank
● Submitting an outdated version of the form
● Having a non-GMC registered doctor complete the exam
● Forgetting the eyesight section (must be done by a professional)
● High blood pressure – get it treated beforehand if needed
Doctor’s Tips for a Smooth D4 Experience
1. Avoid caffeine or smoking before your appointment to keep BP normal
2. Bring your prescription glasses/contact lenses
3. Don’t lie or omit conditions – honesty prevents licence issues later
4. Manage chronic illnesses like diabetes, epilepsy, or sleep apnea under medical advice before
applying
5. Book your exam in advance – don’t leave it till the last minute
When Should You Complete a D4?
● At age 45, and every 5 years afterward for HGV/PCV drivers
● Annually after age 65
● When applying for your first HGV or bus licence
● If DVLA requests it due to health concerns
Download the D4 Form
Need the latest version?
Click here to download the D4 Medical Form (PDF)
Where to Book a D4 Medical Exam
Book your D4 Medical with GMC-registered doctors across multiple UK locations:
● London
● Leicester
● Rainham
● Nottingham
● Peterborough
● Spalding
● Grantham
Final Words
Filling the D4 Medical Form doesn’t have to be stressful. With the right preparation and guidance, you can avoid delays, errors, and rejections. Follow the steps, be honest, and always double-check your form before submission.
Still unsure? Reach out to our support team or schedule a professional D4 medical assessment at your
nearest location
Ph:02038793833
Email:Info@drivermedicaltest.co.uk
Website: Contact page.