The house they lived in was on Richmond Way, Shepherds Bush, London. The end house was painted to look old and distressed. See Google Maps to compare.
One of the film producers is Tobey Maguire, who appears with James Franco in the Spider-Man franchise, between 2002 and 2007.
The name of the fertility doctor J. Johansson is the same as the movie cinematographer, Jørgen Johansson