Originally Posted by
dingobingo
I see that I'm still paying the taxes and fees etc, but those amount to just under a standard normal ticket (£395 vs £425) - so what's the point?

There is no point (when a flight is busy and economy tickets are pricey, there'll be no redemption space available). So using 2-4-1 is only worthwhile in premium cabins, which sees it become very valuable. Keep saving those Avios...!