Decorate front of house. Using green icing with round tip, pipe double doors, outlining first then filling in; pat smooth. Outline again, piping line down center to divide doors in two. Add red candies for doorknobs.
Using red and white icings with round tips, pipe two rows of ropes across middle of front of house.
For top window, pipe large dot with white icing; pat smooth. Using red icing with round tip, outline and add window panes. Pipe three red dots on either side of doors.