Is Your Roof Is Suitable for Solar Panels in the UK?
Find out your roof’s solar potential.
What’s on this page?
Assessing your roof's solar potential in the UK
Factors influencing solar potential
Calculating energy needs
Location and sunlight
Panel size and efficiency
Roof size
and more
How Can You Find Out If Your Roof Is Suitable for Solar Panels in the UK?
Thinking about installing solar panels in the UK? Great idea! But before you get started, let's break it down into simple steps.
What Are The Best Roof Material Types For Solar?
The best roof materials for solar panel installation are those that offer durability, longevity, and compatibility with the mounting systems required for solar panels. Here are some of the most suitable roof materials for solar installations:
Composite Shingle Roofs: Composite shingle roofs, including asphalt shingles, are among the most common roofing materials and are typically compatible with solar panel installations. They provide a sturdy surface for mounting solar panels.
Metal Roofs: Metal roofs, such as steel, aluminum, or standing seam metal, are excellent choices for solar installations. They are durable, long-lasting, and often have a smooth surface that simplifies panel mounting.
Tile Roofs: Concrete or clay tile roofs are popular in certain regions and can support solar panels. However, the installation process may be more complex and require specialized mounting systems.
Flat or Low-Slope Roofs: Flat roofs or roofs with low slopes are suitable for solar installations with the use of ballasted racking systems that don't penetrate the roof surface. TPO or PVC single-ply membrane roofs are common on commercial buildings for this purpose.
Slate Roofs: Slate roofs are durable and can accommodate solar panels, but installation may require special care to avoid damaging the roofing material.
Wood Shake Roofs: While less common, wood shake roofs can support solar panels with appropriate mounting systems. Care should be taken to protect the integrity of the roofing material.
What Affects Your Solar Potential?
Let's start by understanding what factors matter when it comes to your roof's solar potential in the UK.
How Many Solar Panels Do You Need?
Figuring out the right number of solar panels depends on a few things. We'll make it easy for you to understand and calculate for yourself.
Generally, the average home will have a system that consists of at least six panels and goes up to twelve.
How Do You Calculate Your Energy Needs?
To start, look at your energy bills. We'll show you a straightforward way to calculate how much energy you use.
To calculate how many solar panels you need for your specific situation in the UK, you can follow this basic formula:
Total Solar Panels Needed = Total Monthly Electricity Consumption / (Panel Wattage * UK Average Daily Sunlight Hours for the month * 30 days)
What About Location and Sunlight?
Where you live in the UK matters. Some places get more sun than others.
The solar potential of your location in the UK is significantly influenced by regional variations in sunlight.
Southern regions, like parts of England and South Wales, typically receive more sun and longer daylight hours, making them ideal for solar panel installations.
In contrast, northern areas, including Scotland and Northern Ireland, experience fewer sunlight hours, particularly during the winter months.
Understanding these geographical differences is crucial when planning a solar panel system, as it directly impacts energy generation and overall efficiency.
Additionally, the orientation and angle of your solar panels play a pivotal role in maximizing their effectiveness, with south-facing roofs being the most advantageous for harnessing solar energy in the UK.
Do Panel Size and Efficiency Matter?
Yes, they do! More efficient panels mean more efficient energy creation.
Higher watt panels will make more electricity per square metre.
If you have a small roof area, higher wattage will help you make the most of the area.
Can You Have Too Many Solar Panels?
Sometimes, more isn't better. You only need enough to cover your own energy bills.
Getting a huge system won’t make you more money. It’s best to go for the right size to cover your energy usage.
Where Should You Put Your Solar Panels on Your Roof?
Once you know how many panels you need, it's time to decide where they should go.
Your solar system should always be placed where they will receive the most sunlight.
This is so you’ll get more electricity and save more on your bills.
However, sometimes you can’t always put them in the best place due to different roof types and shading issues.
If your panels will be affected by shade you can add optimisers which will ensure your panels won’t be as affected by shade.
How to Get the Best Solar Power System for Your UK Home
Now it's time to make your solar system perfect for your needs.
How to Match Your Solar Goals?
We'll help you align your solar plans with what you want to achieve. Would you like to cover your bills completely or just knock part off?
Would you like a battery or solar only?
What to Consider When Installing in the UK?
We'll talk about what your roof looks like, how your energy needs might change, and what deals your local energy company offers.
What if Your Energy Needs Change?
Things can change over time. If you’re planning on adding another member to your household, your energy bill will rise with an added person using energy and appliances.
Plan ahead before you decide which system to go for.
How Can CRG Direct Make Things Easy for You?
Ready to get started? CRG Direct can help, and it's simple.
CRG Direct steps in to simplify the process. They understand that going solar can sometimes seem complex, but they've streamlined it for your convenience.
From the very beginning, CRG Direct strives to make every step as straightforward as possible, ensuring you have a hassle-free experience.
How Does CRG Direct Help You Install Solar Panels?
CRG Direct's experts will guide you through the process, making it easy and efficient.
The expertise of CRG Direct's professionals is your guiding light when it comes to installing solar panels. Our team consists of experienced experts who are well-versed in solar technology and installation.
We’ll take you by the hand and lead you through each phase of the installation process, ensuring that everything is done efficiently and effectively.
You won't need to worry about the technicalities; CRG Direct has you covered every step of the way.
What About Customizing Your Solar System?
Your needs are unique. CRG Direct can create a solar system just for you.
Recognizing that every homeowner's energy needs and preferences are unique, CRG Direct offers the advantage of tailored solar solutions.
They understand that one size doesn't fit all in the world of solar power.
How to Get a Free Solar Estimate from CRG Direct?
Want to know what it'll cost? CRG Direct offers a free solar estimate. We'll explain how to get it.
In conclusion, making the most of solar energy in the UK is straightforward when you understand your roof's potential and tailor your system to your needs. CRG Direct and these simple steps will help you save money and the environment.
Find the best system size for your needs ☀️
Solar Panel Installation and FAQ’s
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Discover how to participate in the SEG scheme and navigate planning permissions in the UK while exploring the essential concept of DNO approval for a seamless solar panel experience.

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Dave Wood
“We had a great experience with CRG…”
“We had a great experience with CRG installing our solar and battery. Pre-install I had quite a few questions and they were always answered quickly and in an easy to understand way. During the installation the team discovered that it wasn’t going to be as straightforward as they initially thought due to the strange layout of our house and the location of the electrical fuse box etc but they did a great job of working out a route for the cabling that caused the least disruption. Since the install I’ve had another couple of questions about configuring the system and again, I got a quick and helpful response.”
Joyce Scott
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“From the initial survey till completion of the installation I have been most impressed. There was no hard sell, everything was explained clearly. Once I had accepted the lead date was just a matter of weeks. The actual installation was completed very efficiently. The backup support is second to none. l can't recommend Frank, Melissa and the team more highly for the whole experience.”
Paul Wickenden
“Very impressed”
“Frank came out to measure and quote for solar. He was professionally and quick with his quote. We did not feel rushed or pressured into purchasing at all.
Timescales were accurate and their communication was speedy and sincere.
Installation was brilliant. You could tell the installers knew exactly what they were doing.
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