Hi
flyer249 and welcome to the 'Cabin'. In order for someone to answer your question, they would need to know from which UK airport you are leaving. Although you might not know that airlines often have different configurations of the same aircraft as they buy them from different sources.
Do also check the Jet 2 forum in Airlines, Airports & Routes
http://www.pprune.org/airlines-airpo...2-4-a-166.html
Do stay and participate in this forum.