Fandom: Sherlock/Spaced crossover
Pairings: Tim/Daisy, Sherlock/John friendship. Mentions of Mycroft.
Summary: Sherlock and Daisy used to live together in the squat Daisy lived in at the beginning of Spaced. Eleven years later, they run into each other on street. Current day Tim and Daisy are based on this. If you are unfamiliar with Spaced, the Mycroft bit is explained by watching this clip.
Fic can be found here.
I hope this is alright. I didn't find any rules regarding fic on the profile page.