Here's the list of winners.
Best Fantasy Novel (the Robert Holdstock Award): A Stranger in Olondria, Sofia Samatar (Small Beer Press)
Best Horror Novel (the August Derleth Award): The Shining Girls, Lauren Beukes (HarperCollins)
Best Novella: "Beauty", Sarah Pinborough (Gollancz)
Best Short Story: "Signs of the Times", Carole Johnstone (Black Static #33)
Best Anthology: End of the Road, Jonathan Oliver (ed.) (Solaris)
Best Collection: Monsters in the Heart, Stephen Volk (Gray Friar Press)
Best Small Press: The Alchemy Press (Peter Coleborn)
Best Comic/Graphic Novel: Demeter, Becky Cloonan
Best Artist Joey Hi-Fi
Best Non-Fiction: Speculative Fiction 2012, Justin Landon and Jared Shurin (eds) (Jurassic London)
Best Magazine/Periodical: Clarkesworld, Neil Clarke, Sean Wallace and Kate Baker (ed.) (Wyrm Publishing)
Best Film/Television Episode: Game of Thrones: "The Rains of Castamere", David Benioff and D.B. Weiss (HBO)
Best Newcomer (the Sydney J. Bounds Award): Ann Leckie, for Ancillary Justice (Orbit)
The British Fantasy Society Special Award (The Karl Edward Wagner Award): Farah Mendlesohn
The nominees in each category were decided by the voters of the British Fantasy Society, FantasyCon 2012 and FantasyCon 2014, with the juries having a discretion to add up to two further egregious omissions in each category.