A typical UK system combining solar panels and battery storage usually costs between £10,000 and £16,000, depending on the size of the system and the equipment installed. Installing both systems together often simplifies installation and system design. Solar panels generate. Solar panel prices in the UK have fallen significantly. But the final price you are quoted depends heavily on roof complexity, system size, inverter choice, and whether you include battery storage. Whether you are researching solar for the first time or reviewing solar quotes, this page provides independent, UK-based cost. With the Ofgem cap rising 13% from 1 July 2026 (confirmed 27 May 2026), self-generated solar is more valuable than ever. The best SEG export tariffs in 2026 reach ~32p/kWh (Octopus Intelligent Flux with a battery), with 24-25p/kWh flat rates from Good Energy and EDF.