We're off to Blackpool for the weekend and wanted to leave the van in a secure car park. (we have a hotel for the night)

Has anyone done the same or have you been turned away due to height restrictions? We're in a AFT.
I was checking out this place http://www.parkingblackpool.co.uk/ but he's not sure he'll be able to fit me. Any advice greatfully recieved

Sam.