Confirmation e-mail advised to depart early due to heavy roadworks at the airport junction. There was a 5min delay getting there and arrived approx 1hr early. We Pulled up to the barrier and parked with ease, plenty of space and no reference to our early arrival. On landing back in Luton airport following a wonderful break we got through custom quickly and arrived back at the carpark with plenty of time to spare and quickly departed. We pulled upto the barrier, tired and with a long journey ahead. WE WERE CHARGED £88 TO EXIT THE CARPARK!! £88!!!! I can only assume that this was due to our early arrival. The pre paid booking fee for four days was only c.£40. I highly advise any other passengers to AVOID the official Luton Airport Carpark.