In Australia, the price typically ranges from $850 to $3,000+, with most Adelaide homeowners investing between $1,500 and $2,500 for a standard residential upgrade. While the investment ranges from $850 to $7,000, understanding the factors that influence these costs can help. An outdated switchboard—the heart of your property's electrical system—often can't handle this modern load, becoming a silent safety hazard. 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. It may be time to upgrade your switchboard. Depending on your requirements, it can be costly, so it's best to prepare yourself beforehand.