There is no such thing as a “good star rating”. The higher the star rating the more energy efficient your home is. Although getting to a higher rating gets very expensive. NCC 2022 sets a minimum 7 star rating for a residential dwelling.
There is no such thing as a “good star rating”. The higher the star rating the more energy efficient your home is. Although getting to a higher rating gets very expensive. NCC 2022 sets a minimum 7 star rating for a residential dwelling.