Since Q's idea of 'homey' is someplace with enough room for all his books and a place for a piano, Lucius' house seems just fine to him.
Q follows anxiously, licking his lips. He wonders if owls can sense apprehension the way he's read dogs can. He inhales sharply when he sees Horatio. "Oh! He's lovely!" Q murmurs. He moves forward warily. "Good morning Horatio," he says softly. It seems rude not to acknowledge the bird.