Being Human

This clip is taken from episode 1 of Being Human, a BBC Three Drama. From looking at this clip decide

1. Who is the target audience and how can you tell?
2. What representations are covered here?
3. Of our magical 4 (Camera, Editing, Mise En Scene, Sound) which technological feature is the most prominent here?
4. This is technically a sci-fi drama, what do you find interesting about how it's presented for a sci-fi drama.