The actual issue here, is she was horny on night 1, she wanted to fuck you.
you then got a sniff of sex and turned into a wild bull. This is how women can control men, act like they are sexually available, then when you get in your mind your going to fuck, they take it away.
She has played you like women always play, had you said to her....
"its a good job we never went back to yours coz you wouldnt be walking right now... maybe ill break you in 2 next time"
rather than
"can i come see you tomorow with a bottle of wine coz i want to do it before you meet someone else or go off me & i also feel that we should be drunk"
I would have pulled her if the logistics were better, i screened and none of us had a room. Just remembered I did put it to her "your place?", but she was staying at her mates, and i was on a lads night out, and my intent/motivation was lowered (had sex that morning)
Moral of story, if you're gonna pull, pull that night.