No. Here is the process to progress from Car (category B) to artic (category C+E):
1. Category B (Your full car licence)
2. Apply for category C provisional entitlement (You must be over 21 and will have to pass a medical but as from 1/3/2004 there is no fee!)
3. Pass L.G.V. Theory test (Congratulations!)
4. Pass category C practical test (Congratulations!)
5. Apply for category C full licence with category C+E provisional entitlement (As long as your provisional licence was issued after 01/03/2004 there’s no fee!)
6. Pass category C+E practical test (Congratulations!)
7. Apply for category C+E full licence (No fee for the licence upgrade!)