Can't think of any gen lists off the top of my head, but while you're waiting for someone more helpful to come along - here, go read one of my favourites. It's Lestrade-centric, gen, and absolutely amazing:

All My Secrets Away (http://archiveofourown.org/works/196871) by travels_in_time (http://archiveofourown.org/users/travels_in_time/pseuds/travels_in_time)

ETA: Which is part of the AO3 BBC Sherlock Gen Fic (http://archiveofourown.org/collections/Sherlock_BBC_Gen_Fic) collection that... someone else has posted about in the meantime :-) Ah well, carry on then.