The answer to 'how much is electrical wiring upgrade' is that the cost can vary significantly depending on several factors. Upgrading electrical wiring in a home is a complex project that often requires the expertise of a licensed electrician.
Some of the key factors that influence the cost include the size of the home, the age and condition of the existing wiring, the materials needed, and the complexity of the project. Typically, a full electrical wiring upgrade in a medium-sized home can range from $5,000 to $15,000 or more. However, it's essential to get local quotes from reputable electricians to get an accurate estimate for your specific project.