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The UK Solar Panel Payback Index 2026

The UK Solar Panel Payback Index 2026

lookinto.co.uk Research Published 26 June 2026. Analysis by Jacob Whitmore. Free to cite with attribution. A typical 4kW solar system costs about £7,000 installed and pays for itself in roughly 10 to 11 years for the average UK home. We modelled real generation,...

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lookinto.co.uk publishes independent UK cost research and free quote comparisons across home energy, mobility, home improvement and later-life care. The cost indices are built from published data, and every figure is sourced on the page it appears on.