I looked at their website before posting here but found nothing at the time, and I can't call their number from work, and by the time I get home their offices are long closed. Thanks to all the above who replied and put my mind at rest. Now all I have to do is phone them at some time to prepay for having the audacity to take one piece of luggage per person, oh the glamour of aviation!
'Yes Sir, the flight is indeed 1p, but you still have to pay the :-
-The Baggage Fee
-The Check-in Fee
-The Providing Cabin Crew Fee
-The Providing Flight Deck Crew Fee
-The Ops/Crewing/Maintrol Staffing Fee
-The Baggage Loading Fee
-The Baggage Unloading Fee
-The Refuelling Fee
etc etc....