There are many construction teams in Wollongong and they can successfully help you add a dwelling to your house. You do not necessarily need to use it as a living place as you can use it as your home office, for example. Many people choose to have a secondary suite attached to their house where elders live but that does not need to become a rule. You can have such a place to use for personal use as you like. As many people work from home these days, such an addition can come in handy for sure.