Solar Panel System Calculator UK
Enter your energy needs and requirements to get a free instant estimate and recommendation for your home.
The Calculator:
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 the costs of solar panels, batteries, return on investment, solar panel funding, and more.
Get a free instant solar panel estimate with our solar panel cost 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
Cost Questions Answered
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.
Choosing a reputable solar panel installer is crucial as it can significantly impact the overall cost and quality of the installation. 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 full solar panel 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 cost calculator for an instant estimate.
A typical 4kW solar panel system in the UK, including workmanship, costs between £5,000 and £6,000.
Adding a battery brings the total to £13,000-£15,500. This investment can save you £440 - £1,005 annually on electricity, with a break-even period of 7 - 9 years.
The 0% VAT scheme, running until 2027, can save the average household £1,850 on installation costs.
Several factors influence solar panel costs in the UK, including system size, panel type, installation, additional components, and location.
Our solar panel calculator tool
Our solar panel calculator helps you figure out how many solar panels you need, and what solar panels costs, plus you'll get an instant free estimate for solar panel installation at the end. Our solar energy calculator takes into account MCS guidelines to do with shading, the Smart Export Guarantee (selling excess energy,) and more. Simply input your energy usage, your energy bills, and how many solar panels you would like to get an instant solar panel calculator quote.
Installing solar panels can be confusing, but as long as you have planning permission, an unshaded roof, and ideally a south-facing roof, a PV system should bring you annual savings that save on your energy costs. Your savings will vary depending on the number of solar panels you have and whether or not you have a solar battery, and one person’s savings will vary from someone else. Also, keep in mind that not every UK home and roof is the same. Find out your annual savings with our instant solar quote. Your annual savings will also vary depending on the angle of your roof (pitched roof or flat roof) and your system size.
Adding a solar battery can reduce your electricity bill by up to 70%.
Solar panels offer a way to generate free electricity at home. This article covers the costs and considerations for installing solar panels in the UK. Recent advancements and government schemes, such as 0% VAT, have made solar energy more accessible and affordable. If you're considering switching to solar energy, we can help you get started.
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 and HUG2 solar panel funding. 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.
How long do panels last?
Panels last for upwards of 25 years. Most panels guaranteed for 25-30 years.
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 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 system consists of 8-12 panels.
Sell energy back with the SEG Scheme
Furthermore, our solar panel cost 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 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 array, 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.
Your roof space: Depending on your roof size you may need a smaller or larger system. Solar panel systems aren't one size fits all, and the system size you need may be different to other buildings. Get a unique solar panel installation cost by talking to one of our friendly team members and find out more about solar panel costs and installing a solar array at your home.
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.
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.
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:
the size of the system
the solar panels system cost
your energy consumption
your savings from the export tariff (SEG scheme)
Get panels installed in just 4 weeks
MCS Accredited
Save up to 80% on your bills
How many solar panels do I need calculator UK
PV solutions to suit your home
Small energy bill
8 Panel System
6.4kWh of energy per day and up to £700 of savings on your energy bill per year.
Medium energy bill
12 Panel System
9.6kWh of energy per day and up to £1000 pounds off of your energy bill per year.
Large energy bill
16 Panel System
12.8kWh of energy per day and up to £1500 pounds off of your energy bill per year.
How Solar Panels Work
Solar panels harness the power of the sun to generate electricity through a process known as the photovoltaic effect. These panels are made up of photovoltaic cells, which are composed of layers of semiconductor materials. When sunlight hits these cells, it excites the electrons in the semiconductor material, causing them to flow and create an electric current. This current is then captured and converted into usable electricity for your home or business.
Understanding the basics of solar energy conversion
At the heart of solar energy conversion is the photovoltaic effect. This process begins when sunlight strikes the photovoltaic cells in a solar panel. These cells are made of semiconductor materials, typically silicon, which have properties that allow them to release electrons when exposed to light. As the sunlight energizes the electrons, they begin to move, creating an electric current. This current is then directed through an inverter, which converts it from direct current (DC) to alternating current (AC), making it suitable for use in your home or business.
Types of solar panel installations
There are several types of solar panel installations to suit different needs and preferences:
Roof-mounted solar panels: These are the most common type of installation, where panels are mounted on the roof of a building. They are ideal for homes and businesses with sufficient roof space and good sun exposure.
Ground-mounted solar panels: These installations are set up on the ground, often in open areas with plenty of sunlight. They are typically used for larger solar panel systems and can be adjusted for optimal sun exposure.
Building-integrated solar panels: These panels are integrated into the building’s design, such as solar shingles or facade panels. They are often used in new construction projects and provide a seamless, aesthetically pleasing look.
Each type of installation has its own benefits and considerations, making it important to choose the one that best fits your specific needs and circumstances.
Is My Home or Business Suitable for Solar Panels?
Not every property is ideal for solar panels, but several key factors can help determine suitability:
Shading: The amount of shading on your roof can significantly impact the efficiency of your solar panels. Trees, buildings, and other obstructions can block sunlight, reducing the amount of electricity your panels can generate.
Clear Roof Area: A clear, unobstructed roof area is essential for optimal solar panel performance. The more space you have available, the more panels you can install, increasing your potential energy generation.
By assessing these factors, you can determine whether your home or business is a good candidate for solar panels and make an informed decision about your investment in renewable energy.
Importance of shading and clear roof area
When considering solar panels, it’s crucial to evaluate the shading and clear roof area of your property:
Shading: Shading can come from various sources, such as trees, nearby buildings, or even seasonal changes in the sun’s position. Any shading on your solar panels can reduce their efficiency and the amount of electricity they produce. It’s important to assess the potential for shading throughout the year to ensure your panels receive maximum sunlight.
Clear Roof Area: A clear roof area free from obstructions is necessary for effective solar panel installation. The more unobstructed space you have, the more panels you can install, which translates to higher energy production. Ensure your roof is in good condition and has enough space to accommodate the number of panels needed to meet your energy needs.
By carefully considering these factors, you can optimize the performance of your solar panel system and maximize your investment in renewable energy.
Make a bright investment with solar panels
Save up to 80% on your electricity bill. Take back control of your energy needs with your own personal energy supply.
Reduce your bill immediately
See how much you could save
Find out which system size is best for you
