When you buy house and land packages, you have to think about its real cost way beyond what is on the price tag. Maintenance, future renovations, and moving costs seem to be top of mind for most people in Perth. What they are forgetting is how much they will be spending on utilities such as electricity, water, and gas in the long run. One way to save up on money now is to make sure that your new house will be sustainable and environmentally friendly. Here are some sustainability essentials you should be looking out for.