Well first find out if you licensee does hold a PEL. As other entertainment is held, they most probably do. If that proves to be the case, you can make do what you will, without threatening your event (or licencee).

No matter how 'laid back' your authority may currently appear and hopefully are in practice, they will not be able to continue this approach under the proposed reforms.

The test of this is getting them to publicly state their current approach. Which would be just as useful, in the unlikely event that they would make such a statement. We have been trying in vain to find such a council

The latest indication is that the Bill will feature in the next Queen's Speech. So there is not really much time.

It is a good idea to read and get as many others to read the White Paper (linked to above) and make up your own minds as to if the proposals for entertainment licensing in particular are well thought out and an improvement.