Turned Buffy - Spike works in library in England

Please bear with me as I have a sneaking suspicion I might be mixing features from two stories into one.

I think Spike goes to Giles in England when he gets his soul instead of back to Sunnydale. Giles gets 'William' a job in a library. Either at a University or possibly the Watchers' Council. He lives in a flat over the library. One bit I remember clearly is Spike devising a kind of gymnastic 'dance' with which he navigates the library during the day so that he can avoid all the areas where sunlight shines in through the windows.

At some point, Buffy is turned, her soul is restored - or she keeps it - and for some reason ends up in England too - and SPUFFY!

Then somehow Buffy loses her soul and for some reason it cannot be restored, so because Spike can't bear to be with Evil!Soulless! Buffy, he insists that she should have his soul, as he can manage without.

Please help me, I've Googled and Googled, but clearly I'm missing a search term as 'Soulled Spike and Vamp Buffy in England' isn't working...

I could be very wrong, but that sounds like it might be Holly's Sang et Ivoire. I never actually finished it, but your description is similar to what I remember: http://paragon.dark-solace.org/stories/seti.htm

Thanks for the suggestion, Tammy, I shall investigate.