"You'd be surprised how often that happens," the Doctor said. He nodded at the house. "It's nice."
And it was. He'd walked much of York today; this was a pretty good house, as houses went. Homey, big enough. Old-timey feeling.
Well, what humans called old-timey anyway.
Who are you?
He turned his gaze from the house to the very tall man, then back again as he said his answer. "I'm the Doctor," he said. "And you're Harry. Nice girl sent me to find you, said you were one of the people around this place might know something about what's going on."
The Doctor hadn't missed what he had walked in on. This was spell casting, and it was a good level of it. Harry was a wizard. He smirked slightly at that, hearing Hagrid in his brain say 'you're a wizard, 'arry!'