- Our 9-step checklist to choosing the right installer
- 1. Know your options
- 2. Verify installer credentials and their track record
- 3. Look up customer reviews and ask for references
- 4. Make sure they have clear policies in place
- 5. Ask about their after-sales support
- 6. Get a general understanding of the installation process
- 7. Shop around for the best prices and financing options
- 8. Look closer to home
- 9. Take your time
- Next steps
- Understanding the installation process is as crucial as finding the right installer
- Do your homework to check credentials, track records and customer reviews
- Always ask for a detailed proposal to make an informed decision

Contemplating a solar switch? It’s a smart way to champion sustainability while cutting your energy bills. That’s because solar panel costs are outweighed by the savings on energy bills over time.
While navigating the world of solar panel installations can seem like a bit of a maze, we’re here to help you through it, keeping you informed on how to choose the best solar panel installer for your home or business.
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Get startedOur 9-step checklist to choosing the right installer
Choosing the best solar panel installer should be straightforward, and by following the steps in our simple checklist, it should make the whole process even easier.
1. Know your options
You wouldn’t dive into a pool without checking its depth, and the same principle applies to solar panels. It’s not just about who installs them, but what they’re installing – make sure you know exactly what you’re getting.
To begin with, think about your budget, your location and what type of property you have, and whether you’re buying solar panels for domestic use or a business.
Do you know your monthly or annual electricity consumption? Make sure you have one of your recent energy bills handy as this will help installers give you an accurate quote based on your energy needs.
You might also want to consider your future electricity use when it comes to thinking about your installation and how you energy needs might change. For example:
- Will you have an EV that you’ll want to charge at home?
- Will you be upgrading your gas boiler to a heat pump in the near future?
- Would you like a battery with your installation?
- Will you qualify for the Smart Expert Guarantee, and will you connection to the grid allow you to take full advantage of this?
These are all questions that a good installer will ask.
You will also want to consider if you be paying for the solar panel installation up front yourself, or will you be using a finance option to spread the cost. If so, is this a service that your installer can provide, or will your bank offer you a green loan or mortgage to help keep interest rates low?
Once you’ve got a clear picture, the next steps will be much easier.
Do your homework to understand your options beyond the surface level and delve into the specifics. What brands of solar panels and components does the installer use? Are they from reputable manufacturers known for quality and durability?
And don’t shy away from questions about efficiency ratings. Remember, higher-efficiency panels pump out more electricity, giving you more bang for your buck.
Once installed, solar panels can help reduce your electricity bills by as much as 70% (around £660 a year for an average home).
2. Verify installer credentials and their track record
This is critically important.
Look for an installer who’s certified by the Microgeneration Certification Scheme (MCS) – you won’t be able to get money back from your installation via the Smart Export Gaurantee if this is not the case.
Are they also a member of the Renewable Energy Consumer Code (RECC). Being a member of Solar Energy UK is another good sign.
And it doesn’t end there – if your installer plans to use a subcontracting company, make sure they also carry these accreditations.
Finally, dig into their past. A lengthy, documented track record in the business suggests they’ve got the right training and know-how to do the job right.
Where do you want to install solar panels?
Get started3. Look up customer reviews and ask for references
When choosing your solar panel installer, we encourage you to become a sleuth.
Scour the internet for customer reviews and don’t be afraid to ask the installer for references. Hearing from past clients can give you a peek into the installer’s workmanship, customer service, and overall satisfaction level.
Still unsure? Tap into your local grapevine – friends and neighbours can often provide tried-and-true recommendations. Websites like Trustpilot can also offer a wealth of information. Make sure your installer is the talk of the town for all the right reasons!
A structural survey assesses your roof’s suitability to support the weight of solar panels and mounting system; it is a vital part of the pre-installation and not one to forget.
They check your roof is suitable for solar panels and that your home complies with the latest building regulations.
This is how they work:
- Roof inspection – This is a visual assessment of the roof to check there are no clear and obvious issues, such as damage, wear and tear, or material degradation.
- Weight load calculation – This measures the suitability of the roof to hold the solar panels and additional weight of the mounting system.
- Structural assessment – An evaluation of the roof’s ability to hold not just the solar panels and the effect of wind and snow.
4. Make sure they have clear policies in place
You wouldn’t want to work with someone careless about important details. So, ask about your installer’s working policies, like how they handle scaffolding. If they’re skimping on basic safety for their workers, that’s as big a red flag as a matador waving at a bull.
And don’t forget to dissect their terms and conditions to know what’s included and what’s off the table. If the installer tries to dodge responsibility for certain key aspects, consider that another red card.
Nobody likes surprises, especially when your energy savings are at stake.
5. Ask about their after-sales support
You know when you buy a shiny new gadget and it comes with a solid warranty? That’s the kind of peace of mind you want with your solar panel installation.
Don’t just focus on the ‘here and now’, look ahead too. Ask about the warranties for the panels and the installation work. These are your safety nets, ready to catch any hiccups down the line.
Your after-sales support is like the 24/7 roadside assistance of the solar world, there for any maintenance or future issues. After all, your relationship with your installer doesn’t need to end when the panels are on your roof.
6. Get a general understanding of the installation process
You don’t need to be a solar expert, but understanding the installation process is as crucial as choosing the right installer. Ensure they’re the type to follow best practices, with no cutting corners.
Expect a thorough home consultation, where they assess your property’s specific needs. The installer should then provide a detailed quote, not a hasty estimate, outlining everything involved. And they should also be able to guarantee that their installation meets the relevant regulations and guidelines.
Knowing the process keeps you in the loop and ensures you get a quality, compliant installation. Knowledge isn’t just power – it’s peace of mind.

7. Shop around for the best prices and financing options
As all canny shoppers know, it’s rarely a good idea to settle for the first price you see. Gather several quotes and see what their costs include: panels, installation, and any other services.
If budget’s a concern, ask about financing. You’ll find options like loans, government grants for solar panels, or leasing programs that can help lighten the load.
By putting in this legwork, you’re not only pocketing savings but also ensuring top-notch service. It’s not just about finding the cheapest deal, but the best value for your hard-earned money.
8. Look closer to home
To find the perfect solar installer, don’t overlook the benefits of going local – sometimes the best solar installers are just around the corner.
A local expert comes with a unique set of perks. They’ll have their finger on the pulse of the specific requirements and regulations in your area. From local permitting processes to unique considerations, they’ve got it covered.
Plus, being nearby means they’re more accessible for maintenance or repairs. You won’t be left hanging, waiting for someone to travel from miles away. So, support your local business and reap the rewards of their knowledge and convenience.
9. Take your time
Finally, don’t let aggressive sales tactics or wild (but inaccurate) efficiency claims push you into a hasty decision. Slow and steady wins the race.
Take your time and gather all the information you need upfront, laid out neatly in a proposal. Look for details like a visualisation of the panel layout, product descriptions, and data sheets.
Armed with this knowledge, you can make an informed decision that’s right for you and your home. It’s your roof, your money, your choice – so give it the time and attention it deserves for the best results.
If you want to know more, check our 15 best solar panel installers page, where we’ve reviewed all the major solar panel installers in the UK and found the best ones across 15 different categories, based on customer experience, warranties, coverage and much else.

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Next steps
Ready to go solar? Picking a reputable solar panel installer is key. Look for a solid track record, proper credentials, and glowing customer reviews. And don’t rush!
When you’re ready, pop your details into our web form and our experts will help you kick-start your journey to a greener, sun-powered future. We’ll share some bespoke quotes for the perfect match for your solar needs, free of charge.