In this movie Julianne Moore plays Cara Harding. In the earlier film The Lost World: Jurassic Park (1997) she played a very similarly named Sarah Harding. Both are doctors.
Adam (as David) says in his childhood home there are 10 windows; 11 if you count the star in the front door. When Dr. Harding drives to his childhood home, which the audience knows is the one he was talking about because of the star in the front door, 12 windows are visible, and that is not counting however many there are on the unseen side of the house.