A switchboard upgrade in Australia typically costs $1,000–$3,500 per job, using Sydney metro as the baseline. Perth and Adelaide run 10–15% higher due to trade labour rates and logistics. It also prepares your home for new technologies such as. The Short Answer: What Can You Expect to Pay? For a standard residential switchboard upgrade in Australia, you can expect to pay between $1,200 and $2,500 + GST for a typical single-phase home. Most people have no reference point for whether that quote is reasonable.