How much does a solar panel cost in the UK?

Installation is usually included. How Much is a Single Solar Panel in the UK? A single 400-watt solar panel costs £150–£350, depending on brand and efficiency. This price excludes installation, inverters, or mounting systems. For context, a 4.0 kWp system requires 10 such panels, plus labour and materials, bringing the total to £7,000–£12,000.

How much does a solar panel installation cost?

Generally, two installers will work together to install your solar panel system, and depending on its complexity, they can take up to 3 days to complete the installation. This means that you can expect to spend anywhere between £600 and £3,000 on labour costs alone.

How much does a solar panel cost per kilowatt?

Exactly how much a solar panel costs per kilowatt depends on the type of solar panel you're talking about. Monocrystalline solar panels are the most expensive, and their cost per kW is somewhere around £1,000 – £1,500 whereas polycrystalline solar panels cost about £900 per kW.

Will adding a solar battery increase my solar panel installation costs?

Adding a solar battery will increase your solar panel installation costs. Generally speaking, it's more cost-effective to install your solar battery system at the same time as your solar panels (rather than adding it later on). Read our solar battery storage system cost guide for more detailed information.

How much does a solar PV system cost?

The Energy Saving Trust (EST) suggests a typical domestic solar PV system is somewhat smaller, at 3.5kW and around £7,000; although that does put prices in a similar ballpark of approximately £2,000 per kW.

How much VAT do solar panels & batteries cost?

0% VAT: No VAT on solar panels or batteries until March 2027, saving ~£2,850 on a 4.0 kWp system. Smart Export Guarantee (SEG): Earn 4–15p/kWh for excess energy. Compare suppliers for the best rate.