Eco home upgrade guides
Everything you need to know before getting solar panels, a heat pump, insulation, an EV charger or battery storage fitted. Plain-English guides to costs, grants, and what to look for in an MCS-certified installer.
How much does it cost?
Solar panel costs
Typical installed cost £5,000–£13,000. Depends on system size, panel brand, and roof type.
Read guideHeat pump costs
Air-source heat pumps typically cost £8,000–£15,000 before the Boiler Upgrade Scheme grant.
Read guideBattery storage costs
A 5–10 kWh home battery costs £2,500–£6,000 installed. Often combined with solar PV.
Read guideEV home charger costs
Installed cost £500–£1,200. The £350 OZEV grant is available to renters and flat owners.
Read guideInsulation costs
Loft insulation from £300. Solid wall insulation £5,000–£22,000. Grants via ECO4 and GBIS.
Read guideAll prices are estimates for 2026. Get free quotes from local installers for an accurate figure.
What grants are available?
Boiler Upgrade Scheme (BUS)
Up to £7,500 off an air-source heat pump or £5,000 off biomass. Paid direct to your installer.
Read guideECO4
Free or heavily subsidised insulation and renewables for eligible low-income households.
Read guideGreat British Insulation Scheme (GBIS)
Insulation help for homes in lower council tax bands with an EPC of D or below.
Read guideOZEV EV chargepoint grant
£350 off a home EV charger for renters and flat owners. Homeowners in houses are not eligible.
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