In 2026, most quality custom-built granny flats in NSW start at approximately $182,000, plus GST. Larger designs, garages, and complex sites typically range from $250,000 to $370,000 an upwards, depending on the size and inclusions.
In 2026, most quality custom-built granny flats in NSW start at approximately $182,000, plus GST. Larger designs, garages, and complex sites typically range from $250,000 to $370,000 an upwards, depending on the size and inclusions.
