Solar and Insulation UK

Should I insulate before installing solar?

Insulation and solar panels are the perfect energy-saving combination: INSULATION reduces how much energy you WASTE. SOLAR generates free energy. Together: 50-80% reduction in energy bills. Priority order: (1) LOFT INSULATION: £300-£500. Saves £150-£250/yr. Payback: 1-3 years. (2) CAVITY WALL INSULATION: £500-£1,000. Saves £100-£200/yr. Payback: 3-5 years. (3) SOLAR PANELS: £5,500-£9,000. Saves £580-£1,100/yr. Payback: 8-12 years. (4) SOLAR BATTERY: £4,000-£6,000. Extra £200-£400/yr savings. (5) HEAT PUMP: £3,500 after BUS grant. Saves £200-£400/yr on heating. Total potential savings: £1,200-£2,000/yr. Insulation first because it's cheap and maximises solar benefit — a well-insulated home needs less energy, so more solar can be exported or stored.