The answer to 'how much is light fixture upgrade' is that the cost can vary significantly depending on several factors. Typical ranges for a basic light fixture upgrade can be anywhere from $100 to $500 or more, but the final price will depend on the type of fixture, the complexity of the installation, and your location.
Some key factors that influence the cost include the fixture style and quality, the number of fixtures being replaced, whether any electrical work is required, and the labor rates in your local area. Upgrading to a more complex or high-end light fixture will be on the higher end of the range, while a simple swap-out of an existing fixture will be on the lower end.