How much do solar panels cost in 2026?

Around £5,000–£8,000 for a typical 3.5kWp system, before the 0% VAT saving.

Do I get paid for solar export?

Yes, via the Smart Export Guarantee — shop around for the best tariff.

Solar Panel Cost (UK, 2026)

Solar can cut your bills and earn you money. This guide gives typical UK 2026 system prices, what a battery adds, and the export income — so you can judge payback before you buy.

Last reviewed: August 2026Sources: Smart Export Guarantee (GOV.UK) · Energy Saving Trust · Solar Energy UK

System cost

A typical 3.5kWp system (about 10 panels) costs £5,000–£8,000 fitted. Larger systems cost more but suit bigger roofs and higher use.

Battery and VAT

Add a battery for £2,000–£4,000 to store daytime power for evening use. 0% VAT on solar and batteries runs to March 2027, lowering upfront cost.

Earn from export

The Smart Export Guarantee pays you for electricity exported to the grid — compare SEG tariffs. Lower-income households may get solar free via ECO4/Warm Homes.

FAQs

How much do solar panels cost in 2026?: Around £5,000–£8,000 for a typical 3.5kWp system, before the 0% VAT saving.
Do I get paid for solar export?: Yes, via the Smart Export Guarantee — shop around for the best tariff.