So you mention a terminal change, well that’s not Gatwick is it, as only fly out of the south. EasyJet do not fly from Heathrow so unfair to compare. I’m sure you are relaying your experience on both Gatwick and Heathrow but just stick to BA Gatwick and you will find that EasyJet have more...
You can take more cabin baggage on board BA Euroflyer, Easyjet incredibly strict with sizing in the cabin and will charge if an inch to big.
rather fly BA personally.