"Richard Greenleaf's home" is a title based upon conjecture.
Check the behind the scenes section, the revision history and discussion page for additional comments on this article's title.
In March 2005, the Ninth Doctor stole a wheelie bin from Richard Greenleaf's drive while shouting something. (PROSE: Have You Seen This Man?)
Behind the scenes[]
While not stated directly, it is obvious if Richard has a drive he has a home.