How do I book the HGV theory test?

Booking the HGV theory test is done really easily online through the Driver and Vehicle Licensing Agency (DVLA). You’ll need your provisional driving license number to hand, as well as a credit or debit card. Be aware, though: only use the official DVLA booking service- there are a host of websites out there that will offer to do it for you, but they’ll charge a service fee for doing something very straightforward that you could do yourself.