Solar Panel System Calculator UK

Enter your energy needs and requirements to get a free instant estimate and recommendation for your home.

The Calculator:

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How much to install a solar panel system? Get a system cost now.

Put in the amount of electricity you use. Add in your electricity price, and whether or not you would like solar batteries.

Then you can download an instant quote.

Welcome to the Solar Panel Cost Calculator, a helpful tool designed to help you start to get a price estimate for solar PV.

This calculator uses the information you provide to estimate the potential savings on your energy bills and financial incentives. This includes 0% VAT, and the SEG scheme.
Switching to solar energy for your electricity can be a sustainable and cost-effective choice. Understand the potential benefits and costs associated with such an investment.
Our goal is to provide you with valuable insights. We'll help you determine whether a solar PV system is a suitable option for your specific needs.

Further on this page, you can also find answers to common questions. This includes FAQ's about costs of solar panels, batteries, return on investment and more.

Get a free instant solar panel estimate with our solar panel calculator UK.

How does this work?
Put in your requirements & energy needs — Get an instant personalised estimate — Option at the end to leave your details to download a full 10+ page estimate

Use our solar panel cost calculator to find out how much you could save. Find out kind of system would match your needs, and how much it would cost.

This tool gives an output based on information you provide.

You can find out how much solar panels and batteries for your home will cost.

At the end, our AI solar panel calculator will recommend you a package. It will also show you estimated costs.

You have the option at the end to leave your details and download the full 10+ page quote.

The full estimate includes a full breakdown of the system, your potential savings, and more.

Click to see an example estimate here

How much is solar installation?

Solar installation costs vary. This is because each person is different. You may have different amounts of roof space, energy needs, and different roof tiles to name a few examples. Solar arrays vary in price.

Depending on how many panels you want, it could cost anywhere from £4,000 and up to £16,000 for a large project. Get a solar panel installation cost, including prospective seg payments and return on investment.

Just tell me how much!

Without knowing your personal situation, requirements, or roof area, we really can’t say!

Fill in our solar system calculator for an instant estimate.

What’s the cheapest solar panel deal?

At CRG Solar we can offer six quality panels plus installation for just £4,500.
Anything less than six panels is not likely to take very much off of your energy bill. Therefore we would definitely recommend six or more to get a decent return on your investment.

Can I get free panels?

Yes! You can get some funded options with the ECO4 grant. If you have a very low EPC rating and a combined household income of less than £31,000. Find out more.

Can I get finance or an interest free loan?

You absolutely can! Many banks now offer Green Loans. These loans are often interest free. These low cost loans encourage the uptake of energy-efficient home improvements.

Banks that offer 0% or lower cost Green Loans include:

Nationwide
Natwest
Barclays
Santander
RBS

How long do panels last?

Panels last for upwards of 25 years. Most panels guaranteed for 25-30 years.

Cost Questions Answered

Solar Panel Installation and FAQ’s

Get Started with Solar Panels

Dive into the world of solar panel installation. Insights into flat roof setups, possible energy savings, how it works, panel options, and more.

Solar Panel Installation and Types

Discover how to participate in the SEG scheme. Navigate planning permissions in the UK while exploring DNO approval and more.

The average cost of a solar panel system in the UK ranges from £5,000 - £12,000.

The cost of solar panels in the UK can vary depending on a number of factors and system size.

A 4kW solar panel system is capable of producing around 3,400 kWh of electricity per year. 4kW is enough to power the average UK home.

Get an instant battery storage recommendation with no details required.

Try our battery cost calculator.

Calculate solar panels size.

You’ll be able to calculate your solar panels size for your roof with our free tool. The size of your system depends on the amount of generated electricity you need. Labour costs are included but your final cost could vary depending on the type of panels you choose.

Solar panels savings calculator.

You’ll be able to see your potential savings on the full 10+ page document. Download this document with your details.
The full breakdown uses MCS methods.

How long are the warranties on the solar systems?

You can get 25-30 year performance warranties on solar panels.

Our solar quote calculator provides you with an initial estimate.

Find the expenses involved in installing a solar panel system for your specific needs.

It takes into account the information you provide, such as energy requirements, location, and roof orientation.

Please note that this estimate is only a rough approximation. It is not a definitive cost.

For a more accurate assessment, we highly recommend talking to a solar specialist. Factors like shading, structural considerations, and layout can influence the recommended system. They also affect the cost.

Our Top Tips

In addition to estimating the cost of your solar panel system, our calculator also takes into account other factors. These include exporting energy to the grid, maximizing efficiency, and reducing your carbon footprint.

We optimize the number of solar panels and the size of the PV array for energy generation.

You’ll save more money if your roof faces South. By positioning the panels south-facing, you’ll generate more energy.
The average price per kWH is 0.34p in the UK, so if you don’t know your current energy rates, put in 0.34p.
The average amount of energy used per year in the UK is 2,900kw. If you don’t know your annual usage, you can put in 2,900kw.
The average home solar system consists of 8-12 panels.

Sell energy back with the SEG Scheme

Furthermore, our calculator only uses MCS accredited equipment. This means you will be able to access the Smart Export Guarantee (SEG) scheme. With the SEG scheme, you can earn money by selling excess energy back to the grid.

Installation costs

Keep in mind that the cost of the solar panels themselves is just one aspect. Installation costs are in the calculation. This is to provide a comprehensive overview of your solar PV system's overall costs. Find solar power costs for your home.

When you speak to one of our solar specialists in person, we can provide a more accurate estimate.

A site survey can work out how much scaffolding you would need, your actual layout, and more. Use our AI calculator tool as a starting guide.

By combining all these elements, our goal is to empower you to make informed solar energy decisions. Embrace renewable energy solutions that align with your goals.

Solar Panel Pricing & Add-ons

Factors that affect the cost of a solar system installation include;

the types of solar panels and panel costs
the need for a battery
the number of panels required

Possible add-ons include:

bird guard
solar hot water diverter (such as an iBoost)
remote tracking appliances
special mounting systems for flat roof solar panels

With CRG, there are no hidden costs.

The final price includes installation fees. It includes fees of application to the grid, scaffolding, solar system, a battery (if opted for), and MCS Certificate.

Why Go Solar?

Solar panels costs in the UK are getting cheaper.
This is because of better technology and more efficient panels.
The government helps people use solar panels with incentives, like the ECO4 Scheme, which allows you to get free solar panels.
Now, more homes and businesses can afford solar panels.
Solar panels help fight climate change.
They also save money on electricity bills, so many people are opting for them in the UK.

Other things to consider:

Solar Panel Grants: The final cost of your installation could be lower if you qualify for financial incentives. Look for incentives such as solar panel grants and rebates. They can significantly reduce the upfront cost of transitioning to solar energy. Contact us to find out more.

Savings Potential: Our full estimate downloadable sheet will give you an estimate of your potential savings over time. Calculations are based on your current energy consumption and the projected performance of your selected solar panels. We use your postcode to find out the average amount of daylight hours you receive. Panels in the UK may have variable outputs based on your location within the country.

Embrace the future of sustainable living with our Solar Panel Calculator. Gain insights into the costs, savings, and benefits of harnessing solar energy for your home. Make an informed choice that aligns with your budget, energy goals, and environmental aspirations. Get started today and take a step towards a greener, more energy-efficient future.

How do I go solar?

Lower energy bills, smaller carbon footprint, more energy to use at home— it all starts with a free quote.

We’ll chat to you about your energy needs and design a free quote for you.

We’ll order your equipment and book a time that’s right for you to install the system - and installation takes just one day.

Learn more

Solar Calculator

Try our revolutionary solar calculator for an instant estimate. Peek behind the curtain of solar pricing. With CRG, you get what you pay for and more. Fair pricing with quality service.

Our Approach

We’re there and working hard whatever the weather, just like your solar panels. From initial quote, expert installation, and quality aftercare, we deliver a five star experience. It’s why we’re so popular.

Our Commitment

CRG takes data privacy seriously. We only use your data to deliver you a personalised free quote. We do not sell your data to third parties or use your data to sell advertising to other companies.

Your money. Your electricity. Your energy independence.

Spend your hard earned money on things that really matter. Not on energy bills.

Book an appointment

Average Payback Times

The initial cost of solar panel installation can be high. However, the long-term savings on energy costs make it a profitable investment. The average payback time for a solar panel system in the UK is around 7 years as of 2023.

The payback time will vary depending on: