Hi, Nats is quite correct. More and more couples want a ceremony that is unique to them, but registrars and the church have certain legal constraints and follow a set framework. If you decide you want something a bit different you can be legally married quietly first and then have a full ceremony, with a professional celebrant, according to your wishes, and in places where you don't require a licence e.g. in the garden at home!
Very best wishes to everyone for your weddings, I hope they are as special as you dream they will be.