AIf the £150 (~$230) price included the cupcakes, you severely undercharged. The cupcakes alone would typically be priced higher than that.
It did include everything yes. Well I felt i should charge more but because i've only started setting up this small home business I really struggle to enforce my prices because of peoples reactions when the ask, they all Oooo and Ahhh when they see the cake/s and jaws drop at the price! I guess its beginners confidence? In which case I hope it fades :|