How much does a solar system cost in the UK?

Starting with some base figures, solar systems in the UK start around the £3500 mark but often top out at £20,000. To put that in perspective, let’s look at a case study of a typical UK house. Please note: these figures don't consider the average annual (est. 3.6-10%) increase in electricity costs from providers.

How much do solar panels cost?

According to industry averages, solar panels for the average three-bedroom house will cost £7,026. This is the average price of a 3.5 kilowatt-peak (kWp) system, which is typically the right fit for a standard three-bedroom house. A household with one or two bedrooms will generally need a 2.1kWp system, which costs around £4,216 for 6 panels.

Why are solar panels so expensive in the UK?

In fact, the cost of solar panels in the UK has fallen drastically in recent years, thanks to advancements in technology and government grants encouraging people to take that next step towards net zero.

Is now a good time to get solar panels in the UK?

In fact, between March 2023 and 2024, the median cost per kilowatt (kW) for a 0 to 4kW solar panel system has dropped more than 20 per cent. Combine that with the falling costs of solar battery storage, and the fact the energy price cap rose 10 per cent in October 2024 , you’ll find that now is a great time to get solar panels in the UK.

How much does a 3KW Solar System cost?

A 3kW system, often used for households of two to three, costs between £3,000 and £5,000, needs around 12 panels and takes up about 22 square metres of roof space. How much does it cost to install solar panels?

How much do solar panels cost in 2023?

They vary in price based on their wattage, size, use case, and panel type. One of the most common sizes in 2023 for a household in the UK is a 4kW solar panel system. The 4kW solar panel system costs between £6,000 and £7,000, requires around 16 panels and covers approximately 29 square metres of your roof.