Solar Panels: The Honest Assessment

Are solar panels genuinely worth it?

Honest assessment: solar panels ARE worth it for approximately 90% of UK homes with suitable roofs. The 10% where solar is NOT worth it: (1) north-facing roof with no alternative slopes, (2) heavy shading from trees/buildings that cannot be resolved, (3) roof in very poor structural condition, (4) planning restrictions preventing installation (listed building refusal), (5) you are moving within 2 years (payback takes 8-12). For everyone else: 100-400% ROI over 25 years, 8-12 year payback, £14,500-£27,000 lifetime savings. The maths is clear.