Had my loft insulation done on 4th Feb 2026 and fans insulation same day . The two men who carried out the work were absolutely fantastic. Friendly and hard workers . After work was completed they... See more
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Based on these reviews
Had fire back boiler removed and had combi boiler fitted. The gas engineers had a big job to do but complete it in one day, staying until 11.30pm, after asking us if that would be okay. We could not f... See more
Company replied
I wanted to express my heartfelt thanks & sincere gratitude to simple Green energy. Wow- I am genuinely humbled by the standard of work carried out. From the beginning to end - it was so easy and smo... See more
Company replied
A great company with amazing communication throughout. Vishal was very thorough with his work. Vishal kept in contact every step of the way to ensure things were running smoothly and that I was happy... See more
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Company details
Written by the company
Here at Simple Green Energy, we are extremely passionate about helping as many people as we can be aware that there is funding for various energy efficiency measures. We want to keep everybody’s gas bills as small as possible, so installing the most efficient measures goes a very long way in reducing those bills. We have been helping potential customers obtain a free, or discounted boiler since 2015! We have a network of underfloor installers, surveyors, and gas-safe engineers, that stretch from London to Birmingham. Get in touch to discuss how we can help you and your family secure free energy efficiency measures at your property, including boiler replacement, cavity wall insulation, loft insulation, and much more.
Contact info
One Canada Square, Canary Wharf, E14 5AB, London, United Kingdom
- 0121 707 8369
- contactus@simplegreenenergy.org
- simplegreenenergy.org
4.3
Excellent
187 reviews
Replied to 66% of negative reviews
Typically replies within 2 weeks
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See how their reviews and ratings are sourced, scored, and moderated.
Raza and his colleague arrived on time
Raza and his colleague arrived on time. They removed an immersion tank and fitted a new boiler, and thermostats. They were respectful and polite. Really pleased with their work
March 2, 2026
Unprompted review
Simple green energy insulated my loft &…
Simple green energy insulated my loft & fitted a new boiler. They were quick....clean & very efficient. I am most happy with the work they done for me.
February 24, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Suzanne,
Thank you so much for your feedback, it truly means a lot to us.
We’re so pleased to hear that you’re happy with your new boiler and loft insulation.
If you ever need any further support or have any questions in the future, we’re always here.
Warm regards,
Simple Green Energy Team
Back boiler removed and combi boiler fitted…
Had fire back boiler removed and had combi boiler fitted. The gas engineers had a big job to do but complete it in one day, staying until 11.30pm, after asking us if that would be okay. We could not fault them, they went above and beyond. Excellent job, would definitely recommend the company and the fitters.
February 18, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Adam,
Thank you so much for taking the time to leave such a fantastic review. It truly means a lot to us.
We’re really pleased to hear that you were happy with the installation and that the engineers looked after you throughout the day. We’ll make sure your kind words are passed on to the team, they’ll really appreciate the recognition.
If you ever need any support or have any questions in the future, we’re always here to help.
Kind regards,
Team
Simple Green Energy
Loft insulation
Great communication with the office and the insulation installers did a great job. We are already noticing the difference
February 8, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Majid,
Thank you so much for your kind feedback and for choosing Simple Green Energy Ltd for your loft insulation. We’re really pleased to hear you had a great experience with our team, and even better that you’re already noticing the difference!
If you ever need any further support or advice, we’re always here to help.
Kind regards,
Team,
Simple Green Energy Ltd
Great experience with this company
Great experience with this company, they arrived on time and fitted loft ins and a new boiler. Top job, l would recommend to anyone.
January 26, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Andrew,
Thank you for taking the time to leave us such a great review. We’re really pleased to hear you had a positive experience with Simple Green Energy Ltd and that our team arrived on time and completed both your loft insulation and new boiler installation to a high standard.
We truly appreciate your recommendation and support. If you need anything in the future, we’ll be happy to help.
Kind regards,
Simple Green Energy Ltd
Poor experience with this company
Poor experience with this company. They apparently applied for an Ec04 government grant for a new boiler and loft insulation. Despite fitting the criteria and the boiler being 25 years old apparently I didn't qualify but good news we can fit your loft insulation and extractors for FREE under the grant. An appointment was made to complete the work but with 3 day to go the company rang to say grant was less than they thought and could I make a small donation of £1000?!!!!!!. I of course cancelled.
I have since asked for a quote from a local installer and no surprise he quoted around £1000.
I definatly would not recommend.
January 12, 2026
Unprompted review
Do not trust this company
Do not trust this company, we were eligible for a grant for our insulation and they withdrew our funding last minute so that we could no longer get a grant from elsewhere but offered us 'discounted rate' to pay them instead. A massive con.
January 6, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Isabel,
Thank you for taking the time to share your feedback, and we’re genuinely sorry for the frustration and disappointment this situation has caused.
We’d like to clarify that the change was not made by Simple Green Energy. Under the UK Government’s 2026 budget update, the ECO4 and GBIS funding schemes were officially withdrawn/scrapped, which resulted in many installers across the industry suddenly losing access to funding allocations. This was unexpected not only for customers, but also for many accredited ECO installers.
Unfortunately, once funding is removed at scheme level, we are unable to proceed under the grant route, and customers may no longer be able to transfer to another provider either, as the scheme funding is no longer available.
We completely understand how this may have appeared, and we assure you there was no intention to mislead. The discounted private option was offered only as an alternative for customers who still wished to proceed with the work.
If you would like, we are happy to review your case in detail and provide full clarification. Please contact us directly on 0121 707 8369 (Option 1).
Kind regards,
Simple Green Energy Team
Polite excellent service really nice…
Polite excellent service really nice guys very helpful cleaned up before they went answered all our questions
January 1, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Thank you so much for your lovely review Sheila!!!
We’re really pleased to hear you found our team polite, helpful, and professional. It’s always our priority to make sure everything is explained clearly, all questions are answered, and your home is left clean and tidy once the work is completed.
Thank you again for choosing Simple Green Energy, we truly appreciate your support.
Warm regards,
Simple Green Energy Team
Smaking my house cosy imple Green Energy have done work for…
Simple Green Energy have done work for me on my own house
Great work team all the men worked cleanly and efficiently also explained to me what was going on that's why I gave them 5 stars
January 12, 2026
Unprompted review
Reply from Simple Green Energy Ltd.
Thank you so much for your 5-star review, Ken!
We really appreciate your kind words and we’re glad you were happy with the team’s workmanship, professionalism, and communication throughout the process. Keeping everything clean, efficient, and well-explained is always a top priority for us.
Thank you again for choosing Simple Green Energy, we’re delighted to have helped make your home warmer and more comfortable.
Warm regards,
Simple Green Energy Team
Excellent Job
Extremely polite workers who turned up on time and completed the insulation with no fuss and cleaned up afterwards
December 2, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Thank you for your wonderful 5-star review, Mr Raymond Hodgson!
We’re really pleased to hear our team arrived on time, completed the insulation smoothly, and left everything clean and tidy afterwards. Customer satisfaction is always our top priority.
Thank you again for choosing Simple Green Energy, we truly appreciate your support.
Warm regards,
Simple Green Energy Team
Under the eco flex scheme I had loft…
Under the eco flex scheme I had loft insulation fitted which was done well. Ventilation extractors fitted next to my existing ones ? Why and the mess was unbelievable. 6 weeks later still waiting for my new boiler and I cannot get a reply from the company. I have terminal cancer will I live long enough to see this boiler???
December 2, 2025
Unprompted review
I wanted to express my heartfelt thanks…
I wanted to express my heartfelt thanks & sincere gratitude to simple Green energy. Wow- I am genuinely humbled by the standard of work carried out. From the beginning to end - it was so easy and smooth. The tradesmen were simply wonderful. Impeccable manners and sincerely wanted to do their job thoroughly. I can’t praise this company enough for having such hard skilled workers who are willing to go above & beyond. They are such an asset to their own company. I highly recommend this company for all your insulation needs. Thank you from the bottom of my heart.
S. Begum.
November 21, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Sofina,
Thank you so much for your heartfelt review. It truly means a lot to our entire team. We’re delighted to hear that everything went smoothly and that our installers delivered the level of care, professionalism, and workmanship we strive for every day.
As a small thank you for taking the time to share your experience, we’ve planted a tree in your name.
You can view it here: https://reviewforest.org/simplegreenenergy?lang=en&review=69209b73fa02ea61fa51c9c1
We’re grateful for your recommendation and for choosing Simple Green Energy. If you ever need anything in the future, we’re here to help.
Warm regards,
Simple Green Energy
Loft insulation and extractor fan
One electrician and two loft insulation installers. Electrician fitted two extractor fans explained his installation and listened to my requirements. Two insulation installers quietly and efficiently got on with their job.
November 6, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Andy,
Thank you for sharing your experience! We’re glad to hear that both our electrician and loft insulation team delivered a smooth, efficient service and took the time to meet your requirements. Your feedback means a lot to us.
As a thank you for leaving a review, we’ve planted a tree in your name
You can view it here: https://reviewforest.org/simplegreenenergy?lang=en&review=69182ea1aadbab66ca9a0b40
We appreciate you choosing Simple Green Energy!
Warm regards,
Simple Green Energy Ltd.
Vishal was absolutely brilliant
Vishal was absolutely brilliant. He kept me informed throughout, was organised and very friendly. The service overall was excellent, highly recommend.
Abhishek was also brilliant, he was so thorough and didn’t rush the work at all.
Fantastic overall thank you so much
November 12, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Faiza,
Thank you for your wonderful review! We’re really glad to hear that both Vishal and Abhishek delivered an excellent experience, from clear communication to high-quality, thorough work. We’ll make sure your kind words are passed on to them.
As a thank you for taking the time to share your feedback, we’ve planted a tree in your name.
You can view it here: https://reviewforest.org/simplegreenenergy?lang=en&review=6914ef4e174136ac010e9571
We truly appreciate your recommendation and thank you for choosing Simple Green Energy
Warm regards,
Simple Green Energy Ltd.
Efficient
Efficient team when they finally arrived. Unfortunately they had quite a long journey.
October 10, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Robin,
We really appreciate you giving us another chance and sharing your updated feedback. It means a lot to see things went smoothly this time. Thank you for your patience. We’re glad our team could deliver the service you expected.
Best regards,
The Simple Green Energy Team
Highly recommend!
Professional and friendly. Did the work to a high standard, cleaned up afterwards. Would highly recommend them. Vishal was fantastic and helped throughout the process.
October 14, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Shahin,
Thank you so much for your lovely feedback! We’re delighted to hear you were happy with the service and the quality of work. Vishal will be thrilled to know his support made a difference. We truly appreciate your recommendation!
Best regards,
The Simple Green Energy Team
Avoid this company at all costs
Avoid this company at all costs; it’s trading in the name of a government initiative and run by children
Very unprofessional from start to finish… though thank goodness they didn’t get as far as my house, I ended the conversation thry were so bad… there is not enough time to say how bad this company are… wasted 2 months of my time and even then I had to chase them for updates
Apparently I have to fully renovate my property before they’ll come in and tare it down again! Forget that! Loft insulation? A jok, best buy it yourself
Wouldn’t touch them with a barge pole!
October 9, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Lynn,
We’re sorry to hear about your experience and appreciate you taking the time to share your feedback. Our team follows strict government guidelines under the ECO4 and GBIS schemes, which often require certain property conditions to be met before any funded work can safely take place. We understand how this can feel frustrating, especially if it delays your installation, but these standards are in place to protect both your home and the quality of the work.
We’d really like to review your case and see if there’s anything further we can do to assist. Please reach out to our support team at 0121 707 8369 (Option 1) or email contactus@simplegreenenergy.org
so we can look into this personally.
Kind regards,
The Simple Green Energy Team
Avoid at all costs
Avoid at all costs. Awful work carried out from a simple extractor fan being installed in the bathroom. A complete mess was left!
May 1, 2025
Unprompted review
Reply from Simple Green Energy Ltd.
Hi Kelly,
We’re really sorry to hear this and appreciate you bringing it to our attention. That’s certainly not the level of workmanship or service we stand for. Please contact our support team at 0121 707 8369 (Option 1) or contactus@simplegreenenergy.org
so we can review the details and arrange for this to be resolved promptly.
Kind regards,
The Simple Green Energy Team
Great job
Efficient work, friendly and helpful staff and a good jbo done on my loft insulation.
Loft company have since inspected it and confirmed that a good job was done. Made the process very easy.
October 1, 2025
Unprompted review
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