I had great experience with cavity wall insulation done recently, Jack W, who did the fans, and John H, who handled the cavity walls, were both absolutely brilliant. They were lovely, respectful, an... See more
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SCIS Ltd
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See what reviewers are saying
Had both my extraction fans and cavity wall insulation done recently, and I honestly couldn’t be happier with the service. Jack W, who did the fans, and John H, who handled the cavity walls, were both... See more
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The team arrived earlier than expected and were very professional.They explained what was happening and answered any questions. They explained it would be bit noisy fort short period as they prepared... See more
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Straight forward installation of our Solar System & completed in one day ! Very pleased with the help and advice given by Jack Williams. The booking was handled by Lindsey Saad who kept us informed... See more
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Company details
Written by the company
Hello. We’re SCIS. A national leader in home energy efficiency formerly known as South Coast Insulation Services. Whether you're a homeowner, tenant or a business, our mission is clear: to help you save money, energy, and the planet. Our broad range of services - from Wall Insulation to Solar PV and Heat Pump installation - are designed to help make your home more valuable, comfortable and cost-efficient. With SCIS, you can be sure you’re in safe hands. As a longstanding industry leader, we bring a strong commitment to quality, sustainability, and innovation. Plus, we're proud to be fully accredited by Trustmark, the UK Government's Endorsed Quality scheme, and close partners with some of the UK's biggest energy firms such as Scottish Power, EDF and E.ON. So upgrade your property with us today, and take control of your energy usage, bills and carbon footprint
Contact info
Unit 12A, The IO Centre, Stephenson Road., PO15 5RU, Titchfield, Fareham, United Kingdom
- 01329 822845
- info@scisltd.co.uk
- scisltd.co.uk
Excellent company providing a top drawer service
I am very happy to supply a review for SCIS, and in particular to give credit to Megan Gratton, who as a customer service executive has provided me with the most superb level of support. I was very lucky to be eligible for a grant with eon and would encourage anyone in a similar position to consider this very straightforward home improvement delivered by an excellent company. Thank you to all, from the initial surveyor to the genuinely great guys who undertook the installation.
April 3, 2025
Unprompted review
Reply from SCIS Ltd
Thank you so much for your kind words and for taking the time to share your experience.
We’re absolutely delighted to hear that you were pleased with the support you received, especially from Megan—she’ll be thrilled to know her efforts made such a positive impact. It's great to know the entire process, from the initial survey to the installation, went smoothly for you.
We're proud to be part of a service that helps make meaningful home improvements more accessible, and we're so pleased you felt supported every step of the way.
Thanks again for your wonderful feedback—it truly means a lot to the whole team.
SCIS Team
Heat pump installation
We have had an excellent journey with Eon from our first enquiry about the possibility of having an air source heat pump fitted. We were incredibly lucky that the work was in the hands of Cotswold Energy. They were amazing! From the survey through to the final commissioning we were impressed with their knowledge, professionalism and "can do" attitude. Every problem was cleverly solved without compromise. The system works very efficiently and is easy to adjust to individual requirements.
March 24, 2025
Unprompted review
Reply from SCIS Ltd
Hi Diane,
Thank you so much for your kind words and for taking the time to share your experience! We’re delighted to hear that your journey with E.ON and Cotswold Energy has been such a positive one.
It’s fantastic to know that our team’s knowledge, professionalism, and problem-solving approach made the installation process smooth and efficient for you. We take great pride in delivering high-quality service and ensuring that your air source heat pump meets your needs perfectly.
If you ever need any assistance in the future, please don’t hesitate to reach out. Enjoy your new energy-efficient system!
Plainly just out for the money.
On initial contact, I was asked if they could have a LOOK at the property to see if it was eligible for free funding. At no point mentioning that they would be drilling holes into my brickwork. The only time I was aware of this was when I heard the drilling downstairs. I then subsequently had to buy filler to go round and fill the holes that they had left so that insects didn't crawl into my cavities and start nesting.
They then made two seperate survey appointments without consulting me, despite me telling them specifically that I would be working Monday to Friday and therefore unavailable.
So far this company come across as very unprofessional and disingenuous, so won't be letting them anywhere near my house again.
March 6, 2025
Unprompted review
Reply from SCIS Ltd
Hi Andrew
Thank you for bringing this to our attention. We sincerely apologise for any miscommunication and the inconvenience you experienced. We always strive to ensure our customers are fully informed about the process, and we regret that this was not your experience.
To better understand what happened and address your concerns, I would appreciate the opportunity to investigate this matter personally. Please contact us at contact@scisltd.co.uk, and I will look into this for you.
Your feedback is invaluable, and we would like the chance to make things right.
SCIS Team
Great job!
A lot of negative recent reviews but don’t be put off if you've already got these guys coming.
From a knock on the door, these guys arranged a survey to be done on the house which was explained and complete, somebody came and installed new extractor fans and then a another lot came to fit the insulation all within a month or so. There was an issue with the first insulation date but was re-scheduled the week after.
Insulation was done within 2 hours and they tidied up.
No complaints at all.
Thanks a lot.
March 26, 2025
Unprompted review
Reply from SCIS Ltd
Hi Emma,
Thank you so much for taking the time to leave such a positive review! We’re delighted to hear that you had a good experience with us and that the installation process went smoothly.
We appreciate your understanding regarding the rescheduled insulation date, and we’re glad to know that the team completed the work efficiently and left everything tidy.
Thank you again for your feedback, and please don’t hesitate to reach out if you need anything in the future.
SCIS Team
Avoid!
Had a representative knock on the door and did a quick survey of my house, even drilling a few holes to inspect the cavity. Once the inspection was done and the holes filled in poorly, I was told not to worry as the property was eligible for cavity wall insulation and a few other ventilation aspects. They even left a nice glossy promotional leaflet. After two attempts to get in contact with the customer services, each time I was told that they would get back to me with a date which they can carry out the works. Lo and behold still no correspondence so regret talking to these people, let alone them drilling holes in my property.
March 26, 2025
Unprompted review
Reply from SCIS Ltd
Hi Daniel
We sincerely apologise for your experience and any inconvenience caused. This is certainly not the level of service we strive to provide.
Please email us at contact@scisltd.co.uk with more details, and I will personally investigate this matter further. We appreciate your feedback and would like the opportunity to resolve this for you.
Once again, we are truly sorry for the frustration this has caused, and we hope to make things right.
SCIS Team.
Zero standards - ladysmith road didsbury
This company fitted insulation at our neighbours house. The house is a terraced. Whilst fitting a strong smell of solvents starting coming through to our property. The operator stated 'that's normal don't worry about it'. If that is the case then at minimum a warning to us prior to commencing so we could ventilate our home so we were not breathing in toxic fumes. The 2 contractors discarded the packaging for the product they used on the floor outside - disgusting and lack of professionalism. Furthermore, the product they use is like small silver polystyrene balls, these were left all over our footpath/drive and road. No attempt whatsoever to clean up after themselves. When challenged whether this product would leak into our cavity (which we do not want) they did not seem confident at all whether it does or doesn't.
I phoned to complain and ask the contractors return to clean up after themselves, I was told a manager would be in contact, around 3 weeks ago and there rubbish is still on the road.
February 4, 2025
Unprompted review
Shocking company do not let them in…
Shocking company do not let them in your property!!!!!!!!!!
Gary Snook
January 1, 2025
Unprompted review
Don't trust this company
What a complete farce of a company .we've waited for months for this originally had a survey .they said everything fine cavity wall insulation okay to be done .taken time off work today scis company arrived today .and straight away said it cannot be done .said there was to much rubbish within the cavity of walls .surely this should have been seen on there survey .so no cavity insulation just one long wait for nothing to be done .eon needs to check this company out .has they don't have a clue .
Wouldn't let them near any property just a load of cowboys who like to waste people time
January 9, 2025
Unprompted review
Reply from SCIS Ltd
Thank you for taking the time to share your experience, and I want to sincerely apologise for the frustration and inconvenience this situation has caused.
We understand how disappointing it must have been to take time off work and expect the installation to proceed, only to be informed that it couldn’t be done. After reviewing your case, it’s clear that we fell short in identifying the issues with the cavity during the initial surveys. This oversight is not acceptable, and we will be addressing this internally to ensure that such situations are avoided in the future.
I also want to assure you that we are committed to improving our processes and communication to prevent unnecessary delays and wasted time for our customers. Your feedback has been passed on to the relevant teams, and we will use this as an opportunity to learn and improve.
Again, I’m deeply sorry for the inconvenience caused and appreciate your patience throughout this ordeal. If you’d like to discuss this further, please don’t hesitate to contact us directly.
Worse than zero
Worse than zero. I would not let them near my property again. EOn Energy sent them to install insulation in my loft. The word for them is "cowboys". They damaged my doors when a guy came to check air flow after the installation, and used an old biro pen to put under two doors, broke the pen and took some paint off both doors. Their customer service exec made light of this and still is! They left my loft in a mess, leaving it unsafe, my plumber could have fallen through the ceiling. They attended to put the boarding safe, I switched the central heating off. When the SCIS employee left, my boiler broke down. It's a fairly new, regularly maintained boiler. The pump failed. Cost me over £400 to repair. My plumber said it was no coincidence that this happened after SCIS were here. They are refusing to acknowledge any damage. I am taking them to the ombudsman. Stay clear.. They have recently employed someone to sort out customer complaints. That says it all. Energy companies should not use this company. It's been a one year long nightmare!!
February 12, 2024
Unprompted review
Reply from SCIS Ltd
Hi Lynda,
Thank you for sharing your feedback. We are sorry to hear about your experience and understand how frustrating this situation has been for you.
After conducting an extensive investigation, we have resolved the issues that we believe were attributable to our presence at your property. We also requested evidence to support your claim that SCIS Ltd damaged your boiler. Unfortunately, the plumber’s report did not conclusively determine that SCIS Ltd was at fault.
We regret that you feel the need to escalate this matter to the Ombudsman. Please rest assured, we are more than willing to provide any documentation or information required to support your complaint.
We take all customer feedback seriously and are continually working to improve our services. It is unfortunate that your experience fell below both your expectations and the standards we strive to maintain.
Thank you for bringing these concerns to our attention. If there is anything further we can assist with, please do not hesitate to contact us directly.
SCIS Team
Awful from get go
Awful from get go. Left rubbish everywhere. Taken bricks out and then didn’t mix the mortar correctly so the bricks have come away leaving holes going through the house and completely different colour and size brick. Have come back to re-do the pointing and still shoddy. I wish I could post pictures to show how much they don’t care. VERY RUSHED
December 1, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for taking the time to share your feedback. I’m truly sorry to hear about your experience and the issues you’ve encountered. This is not the standard of work or service we aim to provide, and I sincerely apologise for the inconvenience and frustration this has caused you.
Regarding the concerns you’ve raised about the bricks, mortar, and general tidiness, I want to assure you that we take your comments seriously. I am investigating the matter to understand what went wrong and to ensure these issues are resolved properly.
If you could provide further details to contact@scisltd.co.uk or allow us the opportunity to revisit the site, we’d be more than happy to address your concerns and ensure the work meets your expectations. Your satisfaction is important to us, and we want to make this right.
Once again, I apologise for the inconvenience caused and appreciate your patience as we work to improve. Please don’t hesitate to contact us directly at contact@scisltd.co.uk to discuss this further.
SCIS Team
Falls comfortably short of expectation
I firmly believe in offering a company an opportunity to respond before posting in a public forum, I have had no response to my complaint for over a week.
1. Made absolutely no effort to clean up after themselves. Brick dust, mortar, and insulation beads are all around my house, my neighbours houses and into the street and the water course ( we had best hope they are non toxic!)
2. Failed to install the trickle vents only after the insulation material was already being fired into ~100 holes in my house, and offered no plan to rectify. Likewise informed me of an issue of not being able to drill out/protect a number of the airbricks only after the holes were in the house. This should have been identified at the survey to allow us to make an informed choice.
3. Asked my wife to sign a blank screen on an ipad but offered no opportunity for her to read what she was signing. Left without any contact should there be issues, nor the promised 25 year guarantee of work.
In summary, insulation is in my house,
November 6, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for taking the time to leave your feedback. We sincerely apologise for the experience you’ve described, as it falls far below the standards we aim to uphold.
We have reached out previously and requested further information to help us investigate and address your concerns, but unfortunately, we haven’t received a response. Without these details, we’ve been unable to speak directly with you to resolve the issues raised. If you’d like to contact us, please email us at contact@scisltd.co.uk, and we’ll prioritise resolving this matter promptly.
Regarding the specific concerns:
We deeply regret any mess left on your property or the surrounding areas. This is not acceptable, and we are committed to ensuring such issues are avoided in the future.
We apologise for the issues surrounding the installation of trickle vents and airbricks. These matters should have been identified and communicated during the survey.
It is never our intention to ask anyone to sign documentation without being fully informed. We take this feedback very seriously and will address this with our team to ensure clarity and transparency moving forward.
We are committed to rectifying the situation to your satisfaction. Please don’t hesitate to reach out so we can work together to resolve these concerns.
SCIS Team
Great service
Had cavity wall insulation installed last week by Romans, Josh and Jack. All very professional, friendly and informative. Romans explained what they were doing and was very speedy and tidy when coming inside to fit the trickle vents. Great service all round.
November 5, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for sharing your wonderful feedback! We’re thrilled to hear about your positive experience with Roman, Josh, and Jack. It’s fantastic that they were professional, friendly, and informative throughout the process.
We’re especially glad that Roman took the time to explain the work being done and ensured everything was completed efficiently and tidily, including the fitting of the trickle vents. Your satisfaction means a lot to us, and we’ll make sure to pass along your kind words to the team.
If you ever need assistance in the future, please don’t hesitate to reach out. Thank you for choosing us!
SCIS Team
Nightmare company
Nightmare company, Drilled holes in older parents home (they are in their 8o's with COPD), then no contact from SCIS. Started process again, new assessor came out (who was lovely). Chased office, appears cost for parents home is too much for the grant. Holes remain in property, left parents anxious about property as no indication why it needs so much work. Appears once they knew they couldn't get grant, they backed off.
July 7, 2024
Unprompted review
They need to drastically improve their…
They need to drastically improve their customer service which for me was very poor. The experience was perplexing to say the least and i cannot therefore recommend them to anyone. I had no choice in awarding a star as the option to not give anything was not an option.
August 14, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for sharing your feedback. We are sorry to hear about your disappointing experience and regret that our service fell short of your expectations.
We have previously reached out and requested further information to help us investigate and resolve your concerns. Unfortunately, we have not received a response, which has limited our ability to address the issues you’ve raised.
We’re committed to resolving matters promptly and fairly. If you’re willing to provide the necessary details, please contact us at contact@scisltd.co.uk. We value your input and would appreciate the opportunity to make things right.
SCIS Team.
Reply from SCIS Ltd
Thank you for your kind words! We’re delighted to hear that Roman and Josh provided quick and clean service. Your feedback means a lot to us, and we’ll be sure to pass on your praise to them.
If there’s anything else we can assist you with, please don’t hesitate to reach.
SCIS Team
Our home has been destroyed by this company
In March 2023, SCIS carried out extraction of cavity wall insulation and thermabead insulation to the tenants next door to us - their property is owned by a Housing Association. Unfortunately, during the extraction process, which was absolutely horrendous, we thought our house was going to fall down, it shook violently and there was a lot of dust produced. A great big fracture opened up in my front bedroom between my wall and window and a lot of old cavity wall insulation came flying in to my room. As you can imagine, I was not happy and absolutely furious that they had damaged my home. SCIS had not inserted a batten between the party wall of our property and the tenant's next door before starting the extraction work! We eventually had our wall repaired which SCIS paid for as well as a small amount of compensation.
However, about a year later, the tenant next door had a flood in his house. The flood water crossed through our party wall and into our dining room ceiling and through the light fixture as well as in a cupboard in the dining room. After this event we started to smell the tenants next door's plug-in perfume sprays that they use in their house. The smell permeates through the front hallway party wall right through to the dining room wall as well as the dining room ceiling. The smells can also permeate up into our stair hallway. We believe that during the extraction process with the pneumatic drilling, damage was caused to our party wall which we now find ourselves in this nightmare situation.
There was no due diligence when they carried out the works. They never notified us that they were going to be drilling and affecting our home. We have also seen their procedure reports which was a standard report and noted that they did not comply with the standard procedures when carrying out the works - ie, there were supposed to be barriers erected, keep the place clean and most of all, they should never have damaged our property.
We are now in the terrible position whereby the Housing Association have denied there is any issue that we have a damaged home thanks to them and SCIS and in the words of the manager of building works at the Housing Association, (who happens to be a plumber by trade and has never seen the operation
of cavity wall insulation extraction) told us mockingly, 'it's all good and not bad'!! Well, it's absolutely terrible!
March 23, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for taking the time to explain the challenges you've faced following the cavity wall extraction next door. I want to sincerely apologise for the distress and disruption this has caused you and to acknowledge the impact on your home and quality of life. It’s clear that the extraction process led to multiple issues, including physical damage and later concerns with odours permeating through your walls. I’m truly sorry that you’ve had to experience this.
Regarding your concerns about the extraction process, the equipment used, and lack of prior notification, it’s disappointing to hear that standard procedures were not fully communicated. Good communication and due diligence are critical, and I’m very sorry these were not upheld to the level expected. Additionally, I understand that seeing procedural reports that did not align with your experience is frustrating and has further complicated your situation with the Housing Association.
While the repairs and compensation provided initially helped, it’s concerning that further complications have arisen with odours and structural integrity. I’d like to look into this matter further to determine what can be done to address your concerns. Please allow me to reach out to our team to investigate any additional steps we can take. If you’re open to discussing this further, I’d be happy to arrange a call or meeting at your convenience.
If you could provide your full address to contact@scisltd.co.uk and a small description so I know its you, that would be helpful.
Thank you for your patience, and once again, I apologise for the significant inconvenience this situation has caused.
SCIS Team.
Beyond horrific DO NOT USE
We have been expecting insulation since April, it is now the end of September. On 2 previous occasions they were meant to come out and didn’t - today being the second time even though I called this morning and it was confirmed they will be coming!!!
I’ve had to correct their details of my name and phone number on multiple occasions.
Now apparently I have to wait until October 15th - but (and this is unbelievable) they cannot email confirmation of the appointment because their email system has been down for a couple of WEEKS!!!!
When we eventually had the extractors fitted the first installer did a terrible job and went home sick, but to be fair the second installer was much better.
Still though, I’m disabled and live in a bungalow with zero insulation, and this bunch cannot get their ducks in a row or even email to say what’s happening.
Do I believe they’ll be coming on the 15th? I have zero faith, but I will update this if they do.
Given the choice though, definitely use someone else.
UPDATE:
They did not show up on the 15th, even though I called a confirmed on the morning of the 15th!!
Rebooked for the 23rd.
UPDATE:
Even though I called and confirmed yesterday, SCIS Group are once again not coming today (23rd). Instead of them letting me know I’ve just had a call from a Cambridge firm who help out and was only contacted by SCIS this morning, so it’s not happening AGAIN, and I have to wait to hear when this Cambridge company can do it.
SCIS are beyond bad at this point, I cannot believe e.on are using such an awful company.
October 23, 2024
Unprompted review
Reply from SCIS Ltd
I want to sincerely apologise for the series of issues you've experienced with our service. It’s clear that we’ve fallen short on multiple fronts, from missed appointments to communication issues, and I can understand your frustration after waiting since April. I’m especially sorry for the impact this has had, given your situation and the need for insulation in your bungalow.
Regarding the multiple reschedules and missed confirmations, this is not the level of service we aim to provide. The delays and lack of reliable communication are unacceptable, and we’re actively working to resolve the issues with our scheduling and communications systems. While our email system has been undergoing repair, we should have found alternative ways to confirm and reassure you about your appointments.
The installation challenges you've mentioned are also disappointing to hear. I’m sorry for the initial experience with the extractor installation and that it required a second installer to complete the job properly. This should not have been necessary, and I’m glad the follow-up helped, though we fully recognize that consistency in quality is essential.
Thank you for your patience so far, and once again, I apologise for the inconvenience. If you’d like to discuss this further or if there’s anything else we can do, please don’t hesitate to reach out to me directly at contact@scisltd.co.uk and I will oversee the process.
SCIS Team.
First class service
First class service. Arranged everything. Workmen on time, extremely tidy and Ozzy who installed my loft insulation was polite, prompt, tidy and even returned later to sort an issue I had with my TV’s/aerial that was in the loft. Five star superb workmen
October 21, 2024
Unprompted review
Reply from SCIS Ltd
Thank you so much for your wonderful feedback! We’re thrilled to hear that you had a first-class experience with our team. It’s fantastic to know that the arrangements went smoothly, and that our workmen arrived on time and kept everything tidy throughout the process.
Ozzy will be especially pleased to hear your kind words. Going the extra mile to assist with your TV and aerial setup is just the kind of service we aim to provide, and we’re so glad to know it made a difference for you.
Your satisfaction is our top priority, and your five-star rating means a lot to us. Please don’t hesitate to reach out if there’s anything more we can do for you in the future.
SCIS Team
Worked for this company
Worked for this company
All lies you work. Miles away from home they promise a good salary but it’s £12ph you can’t rate them on any job sites avoid avoid avoid your do 13-16 hours a day and don’t get paid
October 16, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for taking the time to share your experience. I’m truly sorry to hear that your time with us didn’t meet your expectations, especially regarding work hours, pay structure, and job location. We aim to provide a positive, supportive environment for all team members, and it’s disappointing that this wasn’t your experience.
The concerns you raised about long hours, pay, and travel distances are serious, and I want to ensure that these issues are addressed fairly. We’re currently reviewing our compensation and scheduling practices to ensure clarity and fairness for everyone on our team.
Your feedback is invaluable to us as we work to improve. If you’d like to discuss your concerns further or provide additional details, please feel free to reach out.
Thank you again for your honesty and for the hard work you contributed during your time here.
worst company I've ever dealt with
Absolute worst company I've ever worked for. And wouldn't let them touch my house under any circumstances No consideration to the customers property. If you call management and inform them a certain house shouldn't be installed their response was eather do it or eff off. And presure you into doing what they want by threatening you with you're job. Cowboy company being ran by people with no clue about the insulation trade. Job offer is for £50,000 plus but in reality you're on £12ph once they take away you're bonus for no reason. + you'll,be expected to drive a vehicle that's over weight and risk you're license
October 15, 2024
Unprompted review
Reply from SCIS Ltd
Thank you for sharing your honest feedback, and I'm genuinely sorry to hear about the negative experiences you've encountered with us. Your concerns about the treatment of both employees and customers, along with the handling of property installations, are extremely serious, and I assure you they will be given full attention.
It’s disappointing to hear about any instances where staff felt pressured to complete work that didn’t align with best practices or safety standards. We strive to operate ethically and responsibly, and I apologise if your experience did not reflect this. I also understand your concerns regarding compensation and transparency with pay and bonuses, and I will make sure this is reviewed to prevent misunderstandings and to ensure fair treatment.
Regarding the vehicle situation you mentioned, driving safely and within legal weight limits is a priority, and I apologise if expectations were unclear or felt unsafe. I’ll ensure that these concerns are addressed with the team so that no one feels compromised.
Your feedback is invaluable to us for making positive changes, and I appreciate you bringing these issues to our attention. Please feel free to reach out to me directly at contact@scisltd.co.uk if there’s anything further you’d like to discuss. Thank you again for your openness.
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