We just had ours put in with this company and from start to finish nothing a problem, Ryan was outstanding very kind & welcoming & most of all very helpful in sorting everything out & talking us... Voir plus
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Lisez les avis des autres
All organised....went away for ten days and the job should have been started on the day of my return. 9.45 the night before scaffolding going up I get an email saying they can no longer do it becaus... Voir plus
Stellar energy project managed my Eco4 insulation, air source heat pump and battery installation. They were quick securing my grant funding. Each stage of the work was inspected and any snags were sor... Voir plus
L'entreprise a répondu
My grant work has been completed and my previously cold old home is now comfortably warm and cosy. I was unsure about how much I would benefit from an air source heat pump as I had heard that they w... Voir plus
L'entreprise a répondu
À propos de l'entreprise
Écrit par l'entreprise
Stellar Energy UK: Powering Homes, Empowering Communities At Stellar Energy UK, we believe energy should not only power homes, but also transform lives. As one of the UK’s leading renewable energy and retrofit specialists, our mission is simple yet powerful: to help homeowners and communities reduce their energy bills while contributing to a more sustainable planet. We work closely with trusted suppliers and energy companies including EON, OVO, Octopus Energy, and British Gas to deliver high-quality installations of solar panels, battery storage, heat pumps, insulation, and whole-house energy retrofits. Our expert teams are fully accredited and trained to the highest standards, ensuring every project meets strict compliance and safety regulations. From the initial consultation to installation and aftercare, we are dedicated to providing a seamless and professional customer experience. But what truly sets Stellar Energy UK apart is our heart for the community. We believe that business should be a force for good. That’s why we actively give back to the areas we serve. Stellar Energy proudly supports local charities, including Llanelli Mind and local disability sports teams, providing funding and resources that make a real difference in people’s lives. Whether it’s helping vulnerable households access grants to improve their home energy efficiency or sponsoring local grassroots initiatives, we are committed to empowering people as much as properties. When you choose Stellar Energy, you’re not just investing in your home’s energy future—you’re also supporting a company that believes in fairness, community, and environmental responsibility. Join thousands of satisfied customers who have experienced the Stellar difference. Lower your energy bills, reduce your carbon footprint, and help us build a brighter, greener future for everyone.
Coordonnées de contact
54 Stepney Street, SA15 3TG, Royaume-Uni
- 01554 788766
- customercare@stellarenergy.org
- stellarenergy.org
4,2
Bien
221 avis
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Best company A1
We just had ours put in with this company and from start to finish nothing a
problem, Ryan was outstanding very kind & welcoming & most of all very helpful in sorting everything out & talking us through everything
Would highly recommend very good price of 7 panels
& a battery 👍👍 A1 service
21 juillet 2026
Avis spontané
VERY UNPROFFESSIONAL.
All organised....went away for ten days and the job should have been started on the day of my return. 9.45 the night before scaffolding going up I get an email saying they can no longer do it because they no longer have an installer in my area....bear in mind that I cancelled a job worth £500 in order to be on site for them.
So now I'm £500 out of pocket and waiting for my £ 4300 refund!
I'm really not happy with this company! If they'd said a couple of weeks ago they couldn't do it, that might have been fair enough, but to leave it till 12 hours before and cost me £500 with no offer of any compensation.....naa...just plain unprofessional.
27 juillet 2026
Avis spontané
We were torn between solar panels and…
We were torn between solar panels and an air source heat pump. Jordan took the time to explain both properly and helped us choose what suited our home best. The advice felt genuine and not salesy at all.
12 février 2026
Avis spontané
Réponse de Stellarenergy
Thank you for taking the time to leave such a positive review ⭐
We’re delighted to hear that Jordan took the time to clearly explain both the solar and air source heat pump options so you could choose what best suited your home. Providing honest, helpful advice without any pressure is something we take great pride in.
It’s great to know the guidance felt genuine and helped you make a confident decision. Your kind feedback will be shared with Jordan and the wider team.
Kind regards,
Stellar Energy Customer Care Team
Giving a second chance
After a rocky beginning Stellar Energy have done the right thing, accepted thing do and have gone wrong and are doing something about it, using a simple 5 letter word Sorry is not that difficult to say and they have done so, due to a lack of communication I was frustrated regarding my claim for assistance over a period of several months, it has been explained to me that their system failed them and they accept opportunities were sadly missed and things could have been handled a lot better when I reached out to them but again they have fully accepted errors were made. I want to make it very clear I have rewritten my review because Stellar Energy accepted they were at fault and apologized and have assured me they will adapt and improve. I did not accept any financial reward to rewrite this review.
After speaking in an open, honest and courteous call from the managing director I will be staying on Stellar Energy books for when grant become available in the future.
I do hope the challenges in the future can be overcome by Stellar energy, I am assured what had been a negative experience can be used as learning experience to prevent it happening again, Hopefully all future experiences will be positive ones.
Thank you Stellar Energy for doing what was right, Its very much appreciated
20 janvier 2026
Avis spontané
Réponse de Stellarenergy
Thank you for taking the time to update your review and for giving us the opportunity to put things right.
We would like to sincerely apologise once again for the frustration you experienced. You are absolutely correct that communication fell short at times, and we fully accept responsibility for where our internal systems and processes did not perform as they should. Acknowledging mistakes and learning from them is something we take very seriously, and your feedback has already contributed to improvements within our team.
We also appreciate you recognising the openness and honesty of the conversation with our Managing Director. It was important to us that your concerns were addressed directly and respectfully, and we are grateful that you felt listened to.
Regarding funding, we want to clarify for transparency that the previous government-backed grant funding stream was paused following recent policy changes introduced by the Labour Government. This has unfortunately affected many households and installers across the UK. We are actively monitoring developments and fully expect replacement or revised funding to be announced in the near future. When this happens, you remain on our records and we will be in touch promptly to progress your application.
Thank you again for your understanding, your fairness in revising your review, and for allowing us the chance to learn from this experience. We are committed to ensuring that future interactions are positive, professional, and reflective of the standards we set ourselves.
https://www.theguardian.com/society/2025/nov/29/insulation-scheme-cuts-winter-warning-retrofit-firms
Kind regards,
Stellar Energy Complaints Team
Our grant application went smoothly…
Our grant application went smoothly once Kevin became involved. He was responsive, clear, and thorough, which made everything feel easy. Stellar Energy’s supportive approach truly stood out and made applying for energy upgrades stress-free. Highly recommended for their customer-focused service.
19 novembre 2025
Avis spontané
Réponse de Stellarenergy
Thank you for such a kind and detailed review ⭐
We’re delighted to hear that once Kevin became involved, your grant application progressed smoothly and felt straightforward. Being clear, responsive, and thorough is exactly the level of service we aim to provide, so it’s brilliant to know that approach stood out to you.
Making the process as stress-free as possible is really important to us, and we’re pleased we could support you through your energy upgrade journey. Your feedback will be shared with Kevin and the wider team.
Thank you for the recommendation and for choosing Stellar Energy.
Kind regards,
Stellar Energy Customer Care Team
We felt confident once Ebony took over…
We felt confident once Ebony took over our funding queries. She gave clear, honest advice and always responded quickly. Her calm reassurance made the application process easy and efficient. Stellar Energy truly care about their customers and make things simple.
10 novembre 2025
Avis spontané
Réponse de Stellarenergy
Thank you for your lovely feedback ⭐
We’re really pleased to hear that Ebony’s clear and honest advice helped you feel confident throughout your funding application. Her calm, reassuring approach and quick responses are exactly what we strive for when supporting our customers.
It’s great to know the process felt easy and efficient, and that our customer-first approach stood out to you. Your comments will be passed on to Ebony and the wider team.
Thank you for choosing Stellar Energy — we truly appreciate your recommendation.
Kind regards,
Stellar Energy Customer Care Team
Applying for funding seemed daunting…
Applying for funding seemed daunting until Ali clarified each step. He addressed all our questions and ensured we had everything required. Stellar Energy’s friendly and professional support gave us the confidence to proceed with our home upgrades.
11 novembre 2025
Avis spontané
Réponse de Stellarenergy
Thank you for sharing your experience with us ⭐
We’re really pleased to hear that Ali was able to clarify each step of the funding process and answer all of your questions. We understand how daunting it can feel at first, so it’s great to know our friendly and professional support helped give you the confidence to move forward with your home upgrades.
Your feedback will be passed on to Ali and the wider team, and we’re grateful you chose Stellar Energy.
Kind regards,
Stellar Energy Customer Care Team
Just in it for the profit!
Had several surveys and was promised everything was going through but then told there wasn't enough profit in it for them and they pulled out after months of no contact. Yet another company just in it for the money. Very disappointed. I have sent you details you need to prove this isn't a fake review.
5 septembre 2025
Avis spontané
Réponse de Stellarenergy
Hello Customer 2.
The ECO scheme is turbulent because of different Governments that control it. The Labour Party reduced the funding that installers like us get paid. Therefore, the Labour Party is to blame. As a business, we have to help people but also have to cover costs. Unfortunately this Government need to stop cutting costs and raising taxes. We could then make this grant work for many more people like yourself. Apologies we couldn’t male this work for you, we did try other options as you are aware.
Stellar Energy take great pride in helping people in fuel poverty and donate regularly to charitable causes. For example, £15,000 to Llanelli Mind recently.
https://www.theguardian.com/society/2025/nov/29/insulation-scheme-cuts-winter-warning-retrofit-firms
Please click on this link
Ken managed our installation spot on…
Ken managed our installation spot on with great coordination and care. The team was efficient, the workmanship strong, and the result flawless. Stellar Energy’s attention to detail and professionalism made for an impressive experience.
2 octobre 2025
Avis spontané
Réponse de Stellarenergy
Thank you, Mr Jackson, for your fantastic feedback! ⚡
We’re delighted to hear that Ken and the installation team delivered a smooth, well-coordinated experience with excellent workmanship. Attention to detail and professionalism are at the heart of what we do, and it’s great to know that shone through in your project.
We’ll be sure to pass your comments on to Ken — he’ll really appreciate them.
Thanks again for trusting Stellar Energy to carry out your installation! 🌟
— The Stellar Energy Team 🏡
We were anxious about our application
We were anxious about our application, but Joe handled it with speed and professionalism. His gentle guidance, quick replies, and accuracy kept everything on schedule. A timely, trustworthy service that made applying easy with Stellar Energy.
8 octobre 2025
Avis spontané
Réponse de Stellarenergy
Thank you, Stefan, for taking the time to share your experience! 🌟
We’re so pleased to hear that Joe’s professionalism and responsiveness made the process smooth and reassuring for you. At Stellar, we pride ourselves on providing a timely and trustworthy service — and it’s great to know that came through in your experience.
We’ll make sure Joe sees your feedback — it’ll mean a lot to him and the whole team.
Thanks again for choosing Stellar Energy! ⚡🏡
— The Stellar Energy Team
Stellar energy Eco4 funded project
Stellar energy project managed my Eco4 insulation, air source heat pump and battery installation. They were quick securing my grant funding. Each stage of the work was inspected and any snags were sorted quickly. The teams of skilled workers were courteous and respectful of my home. They worked fast and were a pleasure to have around. I am delighted with the services I received and the quality of the workmanship. Highly recommended.
10 septembre 2025
Avis spontané
Réponse de Stellarenergy
Thank you so much for your kind words! 🌟
We’re delighted to hear that Ebony was able to make the grant process clear and stress-free for you. Transparency and support are key values at Stellar, and it’s great to know that our approach made things easier. We’ll be sure to share your feedback with Ebony and the team — it’ll mean a lot to them.
Thanks again for choosing Stellar Energy — we’re thrilled to have helped you on your journey to a warmer, more energy-efficient home!
— The Stellar Energy Team ⚡🏠
Daniel kept us informed from our first…
Daniel kept us informed from our first call to completion. His updates were prompt and helpful, setting expectations clearly and keeping things transparent. His communication made the entire process feel smooth and stress-free. Stellar Energy’s service stood out for their care.
10 septembre 2025
Avis spontané
Réponse de Stellarenergy
Hi Mr Saunders,
Thanks so much for this great review. This shows that Stellar and all involved really do care about the client journey. We do our utmost to give all customers this experience and find it very satisfying and fulfilling when we get this feedback! Big thanks to you Sir! Tell your friends! Energy efficiency matters!
Our rather awkward loft space was no…
Our rather awkward loft space was no match for Darren and Sean. They tackled the installation with care, explained things clearly, and worked professionally. The result is excellent, and their work clearly shows Stellar Energy’s dedication to quality.
12 août 2025
Avis spontané
Réponse de Stellarenergy
Thank you for your feedback. We’re delighted to hear that Darren and Sean were able to handle your loft installation with such professionalism and care. It’s great to know they kept you well-informed throughout and delivered an excellent result. At Stellar Energy, we’re committed to quality workmanship, and your comments show that dedication shining through. We’ll make sure Darren and Sean receive your praise.
Llanelli Team
The installation team arrived and each one introduced themselves, and explained all what was being done.
They got on with the work, cleaned up at each stage.
No fuss no mess and it was a pleasure to have them doing the job. They were very polite, knowledgable and trustworthy at my home.
I cannot thank them enough for their workmanship and quality of work. I recommend them to anyone.
Thank you Thank you very pleased Ms Dykes
14 août 2025
Avis spontané
Réponse de Stellarenergy
Thank you so much, Ms Dykes, for your wonderful feedback. We’re thrilled to hear that the installation team made such a positive impression — from their polite introductions and clear explanations to their tidy workmanship and professionalism throughout. It means a lot to us that you felt comfortable and reassured in your home. Your recommendation is greatly appreciated, and we’ll be sure to share your kind words with the whole team.
Courteous installation leadership
Everything went smoothly thanks to Ken overseeing our installation. He ensured the team arrived on time, followed safety measures, and worked neatly. Our system is running well, and the site was left immaculate. Stellar Energy delivered a truly professional job.
31 juillet 2025
Avis spontané
Réponse de Stellarenergy
Thank you for sharing your experience. We’re delighted to hear that Ken’s oversight helped everything run so smoothly during your installation. His focus on safety, organisation, and attention to detail is a big part of how we deliver professional results at Stellar Energy. We’re pleased your system is running well and that the team left everything immaculate. Your feedback will be passed on to Ken and the installation crew
1 Star = A reply from Stellar!!🙏
After a lot of research we decided to pick Stellar energy. 1) Because of the good reviews and 2) Because they are a local company. Unfortunately after a promising start I feel we have been wasting our time. Communication to start was excellent bordering harassment to be honest e.g receiving text and emails constantly during the first phase. Unfortunately after the survey things have gone down hill and they have completely ignored my numerous messages and emails sent on a weekly basis ( Having read the other 1 star reviews it is obvious that if you property isn’t worth looking at you get the cold shoulder) We had our survey on the 12/6/25 and we are still waiting 8 weeks later to see what’s going on!! Does the next stage take this long?? Why don’t you answer my messages/emails?? I wish I had gone elsewhere to be honest. Very disappointed after excellent communication during the first phase. If our property isn’t suitable for the work then please let us know. Diolch!
9 août 2025
Avis spontané
no reply as to why we have not been accepted
hi stellar energy
perhaps if i write a review you will reply
surveyor came and assessed the proprty
i was then told a week later something along the lines that our project didnt fall in to the parameters of their scheme - but this may change - i was given no details why
i was not given the outcome of the energy rating
i asked for this information but i have had no reply
we are currently trying to sort our heating and hot water for the winter
could you please explain to us why we dont qualify so that we can address this going forwards - you told us all providers are different but we have been rejected again and we need some ideas as to why - as we do qualify i understand
date of exeperince - todays date given but i have been trying to get a reply to the questions in my e mail for the last few weeks
please acknowldge here and reply to my e mail
11/8/25
i sent you my details again via e mail - where i had been ignored - this time to customer service - but i still dont have a reply - i amm not putting my contact deatils here for everybody to see - i have sent reminders again to customer service to simply get back to me
6 août 2025
Avis spontané
Réponse de Stellarenergy
Thank you for reaching out.
As of 9.8.25 @8pm, we have not had any reply from you regarding who you are. We have requested your information through TrustPilot but you haven’t replied to us. Unfortunately we can’t assist any further if you won’t reply to us. Please get in touch.
6.8.25
At Stellar Energy, we take all feedback seriously and are committed to resolving any issues our customers may experience. However, due to an increasing number of fake reviews and unverified claims from individuals not known to us, we kindly ask you to provide your full name, address (or installation address), and the best contact number to reach you.
Once we have these details, we’ll be able to locate your account on our system, review the communication trail, and ensure that your concerns are addressed by the appropriate team member.
Thank you for your understanding and cooperation. We look forward to resolving this with you directly.
Kind regards
Customer Support
Stellar Energy UK LTD
Great workers
Great workers, Efficient, excellent work
cleaned up would. Very friendly kept me updated with what they were doing.
Thank you very much James, Martin and Jack
4 juillet 2025
Avis spontané
Réponse de Stellarenergy
Thank you for your lovely feedback. We’re so pleased to hear that James, Martin, and Jack delivered excellent work while keeping you updated and leaving everything clean and tidy. Their friendliness and efficiency are exactly what we aim for at Stellar Energy, and we’ll make sure your thanks are passed on to them.
A complete waste of time.
A complete waste of time.
Had a survey, was told I would hear 7-10 days, been 8 weeks later, had a email to say can they hace access to my medical files! I ring them stating I still haven’t heard regards survey, ? They said they would ring me back within 24hours… nothing…
With the above mentioned… I would not dare go forward in getting this company to do any work as I see red flags waving like crazy!!! Stay away people
Yes you have spoke to me and offered me a £50 voucher to take off my review .
It was offered if I was to take down my review .. I have messages and photos to prove it… not wasting my time on here…
Avoid this company at all costs . I am not the only person who seems to experience such poor communications and dread to think the workmanship would be like ?
16 mai 2025
Avis spontané
Réponse de Stellarenergy
Mr Moran, I have just checked the full communication with you on our system.
1. We sent 2 x emails on 23rd June. Requesting more documents that were not provided on the survey to grant the funding.
2. We then rang you twice in a row on June 25th.
3. Then you rang in and Joe said he would call you back. We do apologise for not calling you back but the communication has been good up until then.
If we can move forward on Monday morning ?
Update :
We said that your property doesn’t qualify after a “subject to survey” assessment. Due to our good nature we offered you a £50 voucher. Not all clients pass for a grant, nothing gained nothing lost. That’s the honest feedback. Leave the bad review there if needs be but you don’t actually receive any services from us for a successful grant application. You can see that others are very happy with our full services when they qualify.
IWI Installers Plasterers
We found Darren & Rhys of IWI Installers to be very professional, with a good work ethic and the plastering they did for us was second to none. We would highly recommend them if you are having work carried out by Stellar Energy.
24 juin 2025
Avis spontané
Réponse de Stellarenergy
Thank you for taking the time to share your feedback. We’re delighted to hear that Darren and Rhys impressed you with their professionalism, strong work ethic, and high-quality plastering. Recommendations like yours mean a lot to us at Stellar Energy, and we’ll be sure to pass your praise on to them both
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