Which grants apply in Wales — and free quotes from vetted local installers.
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In Wales you can access the Boiler Upgrade Scheme (£7,500), 0% VAT, the Smart Export Guarantee, ECO4, and the Welsh Government's Nest scheme for eligible lower-income households.
Solar panels, heat pumps, batteries and insulation are charged at 0% VAT across the UK until 31 March 2027 — an automatic saving for everyone, applied by your installer.
Typically: 0% VAT (saves ~£1,300 on 4kW solar) · Who: Everyone · full guide · official
Not a grant, but an incentive: licensed suppliers pay you for surplus solar electricity you export to the grid — roughly 3–20p per kWh. You need MCS-certified panels and a smart meter.
Typically: ~3–20p per kWh exported · Who: Anyone with MCS solar + smart meter · full guide · official
The Welsh Government's Nest scheme offers free energy-efficiency improvements (insulation, heating, sometimes solar) to eligible lower-income households in Wales.
Typically: Free energy-efficiency improvements · Who: Eligible low-income Welsh households · full guide · official
Free, no obligation. We match you with vetted MCS-certified local installers.
There is no universal solar grant, but you pay 0% VAT (until 2027), get paid for exported power via the Smart Export Guarantee, and low-income households may get free/subsidised solar through ECO4, Warm Homes (England), Nest (Wales) or Home Energy Scotland. See the guide for details.
A typical home system runs £5,000–£11,000 depending on size. 0% VAT saves around £1,300 on a 4kW system. Compare at least two MCS-certified quotes.
SEG pays you for surplus electricity you export to the grid — roughly 3–20p per kWh, depending on your supplier. You need MCS-certified panels and a smart meter.