How much does eco home improvement cost?
Plain-English price guides for solar, heat pumps, batteries, EV chargers and insulation in the UK (2026). Typical ranges, what affects the price, and what grants can cut your bill.
Solar PV
Solar panel costs
£5,000–£13,000 installed. Depends on system size, panel brand, and roof type.
Read guide Heat pumpsHeat pump costs
£8,000–£15,000 (ASHP). Up to £7,500 off via the Boiler Upgrade Scheme.
Read guide BatteryBattery storage costs
£2,500–£6,000 for a 5–10kWh home battery. Often combined with solar.
Read guide EV chargerEV charger costs
£500–£1,200 installed. £350 OZEV grant available for renters and flat owners.
Read guide InsulationInsulation costs
Loft from £300. Solid wall insulation £5,000–£22,000. Grants via GBIS and ECO4.
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