Hi James
We stayed on the docks themselves a couple of years ago and it was very successful. Upon arrival at the docks the attendant will direct you over to the side of the car park where you can stay overnight. There are obviously no hook ups but there are toilet facilities and a small shop. This area is quite some way from where the lorries board so it was not as noisy as some docks but in the morning it was so easy to just see what was happening and pull over to get in line to board. We would do it again anyway.