Granny flat builders in Sydney NSW are the ones to offer you all the information regarding what you have to do. Maybe you have something specific in mind. Feel free to share it with the workers. They can tell you if your ideas are palpable or if you need to change something. It is great to have a team that openly communicates with you as this way things will go smoothly. Communication is a must in this situation.  If you feel you can openly ask all the questions you have then you have chosen the right team for the job.