C+E confusion?

I took my C on the very end of my theory run-out-date and thankfully passed. I im now planning to take C+E so my question is this:

On Gov website there is no option for a C+E theory only C, yet I pretty sure you need the pass number to book a practical ( Did a mock run up to the point of actually paying and nowhere did it ask for one ). So do I need to do it again?

No as the +e is an upgrade of c

There is no need for another theory test to be done or a theory number to book your test.

I would urge caution booking your own practical test as this is normally done by the trainer who will know the correct vehicle dimensions.

Dean

Thank you for the replies and clearing up my confusion.