Overview
From starting the D4 medical to holding a full C1 licence, most candidates allow six to twelve weeks. The exact timeline depends on DVLA processing times, how long you need to prepare for the theory test, and how much practical training you require. This guide breaks down each stage so you can plan your timeline accurately.
Stage-by-Stage Timeline
| Stage | Typical Duration | Key Variables |
|---|---|---|
| D4 medical | 1–2 weeks | GP or private medical provider availability |
| DVLA processing of D2 application | 2–4 weeks | Can be longer during busy periods |
| Theory test preparation | 2–4 weeks | Depends on study time and prior knowledge |
| Theory test booking and sitting | 1–2 weeks | Test centre availability |
| Practical training | 2–5 days | Depends on experience with larger vehicles |
| Practical test booking | 1–4 weeks | Test availability varies by location |
How Much Practical Training Will I Need?
Practical training duration is the most variable factor. Candidates with no previous large vehicle experience typically need four to five days. Those who have driven motorhomes, large vans, or horseboxes may need only two to three days. Your instructor will assess your progress and advise on whether additional training is needed before the test.
Tips to Speed Up the Process
- Book your D4 medical as early as possible using a private medical provider for faster appointments
- Begin studying for the theory test while waiting for your provisional entitlement
- Book the practical test before you start training so the slot is available when you are ready
Book C1 Training at GS Driver Training
GS Driver Training provides C1 driver training from our Dunsfold Aerodrome training centre, covering Surrey, Hampshire, Berkshire, and the South East. Call 01252 447808 or email [email protected].




