The lamp wouldn't turn on. And he hated the dark. Always had. Kind of a rare phobia.

He tried again, but of course it didn't work any better the first time. Could be the tagline to a life, he thought.

Nothing for it then but to head out. The room was familiar, the door should be...that chair wasn't there before, but the floor - the floor was right where it always had been.
Ok, hands and knees then. Slide along, feel the wall, aha! Doorjamb, doorknob, turn, swing, hallway. A little ambient light from outside. Feel along the wall - lightswitch and light.

Whose house was this?