It was a great pattern to knit - so much detail and plenty of variety - it grew really quickly despite it looking quite complex.
The pattern is Oaksike by Louisa Harding from the booklet Little Cake. There are loads of other lovely patterns in the book that I will be making. I used the yarn suggested in the pattern, which is Louisa Harding's own yarn, Willow Tweed. It is a double knit weight yarn and has lovely stitch definition. I used exactly 8 skeins, nothing left over.
I have made this to wear on my birthday next week - it'll look lovely with a pretty feminine dress.