How much do solar panels cost in the UK?

The most common type of system is the 4kW solar system, which costs between £5,000 – £6,000. It can save the average household about £660 per year, provided that they have a decent number of sunlight hours and are installed on a south-facing roof. In 2025, the price of solar panels in the UK can vary depending on several factors.

How much does it cost to install solar panels?

Installing solar panels is usually a two-person job, and you can expect labour costs to range from £600 to £1,000 per day. Your location can influence the rates you get. Costs can also increase if the installation is complex, requiring more work, time, or specialist hardware. Additional components that impact the cost include:

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.

What are the cheapest solar panels in the UK?

Polycrystalline panels are more affordable and cost around £0.90 per watt. They can still achieve a good power output and are the most installed panels in the UK. Thin-film panels are the cheapest option, but you should be wary of them since they feature the lowest efficiencies.

How much does a solar panel battery cost?

Some companies only offer 1-2 pence. A battery costs around £5,000 on top of a new solar panel system, according to fitters Heatable. That’s a significant extra spend, which means that breaking even on this investment might take longer than buying a solar panel system on its own.

How much do thin-film solar panels cost?

When it comes to thin-film solar panels, these cost between £400 and £800 per kW. The average cost of solar panels is £250 to £350 per m2 Find out what costs are involved and what you can expect.