Don’t assume that all four of you will have to pay the adult price just because that is the only one listed!
Any discounts for the children do not get taken off until the last page, after you have selected your room and pressed “Select and Continue”
Prices before this only cover the cost for any adults in the group. For children, especially when sharing a room there are a range of discounts which can quite often save you as much as 70% of the adult price.
REMEMBER It is important, when booking a theatre break for the whole family that you continue through to the Review and Add page (where you can also add travel and entry to many of London’s famous family-friendly attractions)