Thanks for that.
A list of where to find Quest:-
Quest can be accessed on Freeview, Freesat, Sky, Virgin Media and BT TV. These are the relevant channels:
Sky: Channel 144; Channel 244 (+1)
Virgin Media Ireland: Channel 154
Virgin Media: Channel 172; Channel 173 (+1)
Virgin TV Anywhere: Watch live (UK only)
Freeview: Channel 37; Channel 83 (+1)
Owner: Discovery Networks Northern Europe
Freesat: Channel 167; Channel 168 (+1)