'Click on the three dots at the bottom left corner, edit city, and you will go to the map view. At the left there is a tiny circle with two houses (one bigger than the other one) and you click on it. There will be an option if you want or not to change houses, click yes. At the bottom theft corner there will be three options, Create sims, Choose a house, and other one i dont remember. Click on 'choose house' (im not sure if it says that, i just know its the second one) and then you can choose which house you want to play with'

http://answers.yahoo.com/question/in...3045040AAbK0is