You'll need to have a second floor and the left and right rooms added, I do believe. These are the only additions that actually change the outside appearance of your house, so once they're finished you should be able to remodel the exterior shape.
awesome thanks!
 
 
		









 
 
		 
 
		









 
 
		
 Thanks for answering my (obvious) question!
 Thanks for answering my (obvious) question! 
 
		


 
 
		 
 
		





 
 
		


 
 
		




 
 
		 
 
		 
 
		 
 
		