Prices checked October 2026. 0% VAT on home solar and batteries ends 31 March 2027. Read how it works

Solar, battery or both

Four ways to make or store your own power. Pick one, or ask us to compare them for your house.

Thames sailing barges with ochre sails moored at a tidal quay in front of old brick and flint warehouses, with solar panels on two roofs, under an autumn sky
White wall-mounted home battery, consumer unit and isolator switch linked by tidy grey conduit on a brick garage wall beside an open side door

Solar and battery

About £8,500 to £12,500 for 4.5 kWp and 5 kWh.

Details
Black solar panels on rails on a red clay-tile roof, with white-cowled oast houses and blossoming orchard trees blurred behind

Solar only

About £5,500 to £7,500 for 4 kWp.

Details
Grey electric hatchback charging from a white wall charger on the gravel drive of a brick Kent house at dusk, with lit windows and solar panels on the roof

Battery only

About £2,750 to £4,750 for 5 kWh on existing solar.

Details
Single black plug-in solar panel on a folding stand on a patio against a brick wall, with a lead running to a UK outdoor socket beside the patio door

Plug-in solar

From about £450. No roof work.

Details

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