The cost of solar panel installation varies depending on how many panels your house needs, whether you choose to have battery storage and what size of battery you require. Price starts from £3,880 (for 2 panels). Our most popular system, a 10 panel installation and a 5kWh battery, costs £9,199. Explore solar installation cost and get a quick quote here. to find out how much it’ll cost for you, based on your home.