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Solar panel prices & costs

Wondering how much your new solar panels will cost? Here’s everything you need to know to help you make the most informed decision. Compare UK solar panel prices with SpotDif today.

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Our solar panel price guide

With a wide range of eco-friendly home improvements available to homeowners, there’s no denying that solar panels stand at the forefront. After all, they offer a greener footprint and significant energy savings — and what’s not to love about that? For homeowners like you, the allure of solar panels extends beyond environmental benefits. Instead, they present a savvy financial investment, too. With the potential to reduce utility bills and increase property value, it's clear why more UK residents are harnessing the power of the sun. 

However, we understand that sourcing solar panel can be expensive, and finding the best deal can be daunting. That's where the importance of shopping around comes into play. At SpotDif, we recognise the significance of this decision. Our platform simplifies the process, offering a comprehensive solar panel price comparison to ensure you receive the best value for your investment.  Why not take the first step towards a sustainable future? Visit our free price comparison service for solar panels in the UK and discover how easy it is to save money (and the planet).

Solar panels aerial drone shots

How much do solar panels cost in the UK?

If you're curious about the price of solar panels in the UK, let's break it down into simpler terms. During the last financial year of April 2022 - March 2023, the price for setting up solar panels on your home changed quite a bit. 

For smaller setups, which most homes would use, the average price was about £2,365 for every kilowatt (kW) of power they can produce. This might sound technical, but it's just a way of measuring how much electricity your solar panels can generate. This price has gone up by 26% from the year before, reaching the highest it's been in a while due to increased costs for the materials and labour needed to install them, along with more people wanting to add solar panels to their homes.

Prices started a bit lower at the start of the year and then went up, hitting the highest point in January at £2,622 per kW, before dropping slightly. Larger setups saw even bigger price jumps, making it clear that solar panel costs can vary a lot. Don’t worry — we’ll go into this a bit more later! Understanding all this might seem overwhelming, but that's where we come in! We’re proud to offer a free service to help you compare solar panel prices easily.


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What factors can affect solar panel costs?

Solar panel costs can vary widely due to several reasons. The size of the solar panel system is a primary factor, as larger installations require more panels and thus cost more. Higher-efficiency panels are also typically more expensive but can generate more electricity in the same amount of space — so it’s all about weighing the pros and cons. 

As we’ll soon find out, installation costs can differ based on the complexity of your roof and the need for additional equipment, and your location can impact costs due to differing labour rates in your area.

Man fitting a solar panel on roof

Are there price variations for different solar panel types?

Yes, in the UK, solar panel prices vary significantly depending on their type and model. 

  • Monocrystalline panels: known for high efficiency and performance, they can be more expensive, costing between £1,500 and £2,000 per kW. 

  • Polycrystalline panels: slightly less efficient but more affordable, ranging from £1,000 to £1,500 per kW. 

Thin-film panels: offer flexibility and a lower profile, and could cost between £1,200 and £1,800 per kW. 

It’s also important to remember that these variations in solar panel prices reflect differences in manufacturing processes, materials, and efficiency rates, too.

The cost of solar panels in different areas of the UK

The cost of solar panels in the UK can vary significantly depending on where you live, influenced by a variety of regional factors. 

These variations are often due to differences in labour rates, the level of competition among installation companies, and the overall demand for solar installations in different areas. For example:

London and the Southeast

This area usually has higher installation costs for solar panels, typically between £6,000 to £8,000 for a standard system, driven by elevated labour and operational expenses.

Northern England

In Northern England, you’ll find more affordable options with costs ranging from £5,000 to £7,000. A plus side to lower living costs!


Similar to Northern England, installations can cost between £5,000 to £7,000, reflecting the region's economic conditions and demand for solar energy.

The cost of solar panels for different house sizes in the UK

The cost of solar panels in the UK varies with house size, as larger homes typically require more panels to meet energy needs. 

For a small home (1-2 bedrooms(, a basic 1-2 kW system might cost between £1,500 and £3,000, adequately powering your limited appliances. 

A medium-sized home (2-4 bedrooms), on the other hand, could benefit from a 3-4 kW system and could see costs ranging from £4,000 to £6,000 for a balance of efficiency and coverage. 

If you have a larger home (4+ bedrooms), you might need a 4-8 kW system, with prices stretching from £6,000 to £8,000 to satisfy your property’s energy needs.


Find trusted solar panel providers today

SpotDif takes pride in only working with trusted and vetted suppliers across all industries, to ensure we get you the service thats right for you. First we ask you a few questions, then we’ll show you solar panels quotes from reliable installation companies that operate in your local area. All that’s left is for you to choose the right one for you.

Solar panel labour and installation costs

As you now know, solar panel installation costs in the UK are influenced by various factors. Let’s break down what’s included in your solar panel installation cost so you can get a better idea of the bigger picture.

Labour costs

It’s important to remember that labour typically accounts for a significant portion of solar panel installation expenses. Professional installers handle various tasks, including system design, mounting panels, electrical work, and ensuring compliance with regulations — and this cost reflects their unique skill sets.

Equipment costs

Solar panels, inverters, mounting hardware, and electrical components constitute the bulk of equipment expenses. It’s also important to remember that high-efficiency panels or premium brands may cost more but also offer better performance.

Permit and inspection fees

Your local authorities may require permits and inspections, adding to the overall installation cost.

Your roof type

The type of roof you have and its condition can also affect your overall costs. Flat roofs or roofs that need repairs or reinforcement may incur additional expenses.

Construction workers installing solar panels

Can solar panels increase my home’s value?

You’ll be glad to know that solar panels can indeed increase your home’s value.

According to a 2021 report from Solar Energy UK, solar panels can increase your home's value by approximately 0.9% to 2% in the UK. This percentage increase translates to a potential value addition ranging from £2,590 to £5,760 for the typical homeowner.

Solar panel prices

Find your perfect solar panel supplier, exclusive discounts, deals and the largest range of UK providers. 

The bottom line: Is it worth buying solar panels in the UK?

Investing in solar panels in the UK can be a worthwhile decision for your property, offering both financial and environmental benefits. Here are key factors to consider:

  • Reduced energy bills: Music to our ears! Solar panels harness the sun's energy to generate electricity for your home, leading to substantial reductions in your energy bills and long-term cost savings. However, the exact amount you save depends on the size of your system and your property’s energy consumption.

  • Government incentives: The UK government offers incentives such as the Smart Export Guarantee (SEG) and potential grants to encourage solar panel adoption. These incentives can help offset the initial investment cost. Read on for more information about government funding for solar panels.

  • Environmental impact: Solar panels reduce your carbon footprint by generating clean, renewable energy. By using solar power, you contribute to reducing greenhouse gas emissions and combating climate change.

  • Long-term investment: Solar panels have a long lifespan and require minimal maintenance. They typically come with warranties, ensuring a reliable source of electricity for years to come.

  • Energy independence: Solar panels provide a degree of energy independence, reducing reliance on traditional energy sources and potential price fluctuations.

While the initial cost of solar panels can be significant, the long-term financial benefits, government incentives, and positive environmental impact make them a valuable investment for homeowners in the UK. Ultimately, the decision should align with your energy goals, budget, and commitment to sustainability — and that’s what we’re here to help you figure out.

How long does it take for solar panels to pay for themselves?

Solar panel payback time varies but typically ranges from 6 to 12 years in the UK. 

This obviously depends on factors like system size, energy consumption, local solar conditions, and any government incentives available to you. Once the initial investment is recouped, your solar panels will continue to generate savings, providing a solid return on investment over their 25 to 30-year lifespan.


Compare solar panel providers

SpotDif has compiled a comprehensive guide highlighting the leading solar panel providers in the UK, each distinguished by their unique strengths and offerings. These providers are at the forefront of the solar energy movement, offering innovative technologies and bespoke energy solutions.

UK solar panel grants and financial support options

Solar panel grants and financial support options in the UK offer a positive outlook for homeowners considering solar panel installation. These incentives not only promote renewable energy but also make going solar more affordable. 

Let’s find out a bit more about how these grants can pave the way to cleaner, cost-effective, and eco-friendly energy solutions for your home.

What is the Smart Export Guarantee?

The Smart Export Guarantee (SEG) is a UK government scheme that encourages homeowners with solar panels to export excess electricity to the grid. 

Under SEG, energy suppliers pay homeowners for the surplus electricity they generate, creating a potential income stream. Ultimately, this scheme helps offset solar panel costs by providing financial incentives for clean energy generation — and that’s something we can get behind.

How much does a solar panel installation cost?

While the Renewable Heat Incentive (RHI) ended on March 31 2022, and the Green Homes Grant voucher scheme is no longer in operation as of February 2024, it's still valuable to be aware of these past funding sources for solar panels. 

Understanding their historical context can provide insight into the evolution of renewable energy incentives in the UK, and hopefully give you an idea of what could be available in the future. 

While these specific schemes may have ended, it's important to stay updated on current and future opportunities for financial support, such as the Smart Export Guarantee (SEG).


Compare solar prices with SpotDif

At SpotDif, we understand the challenges of finding the best solar panel prices. That's why we're here to guide you every step of the way. Take the next step towards energy independence and a brighter tomorrow, and compare UK solar panels with SpotDif today.
Frequently Asked Questions
Anna Dearden
Home Sector Specialist
Combining in-depth research with an interest in all things home improvement, I aim to keep SpotDif readers up to date with interior design trends, renewable energy options, and more.

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