Sounds about right.
I'm sure you will enjoy it. One of the funniest things when I did it was the following exchange when I was about three miles out.
TWR " Speedbird XXX, after the next landing PA28 line up"
Speedbird XXX " After the WHAT?@!**??!@?"
Look forward to hearing all about it when you get back. Are you going for a reason or just a £400 bacon roll (The LGW fees being 50p and the overpriced BAA Bacon roll being £395.50)