What Our Clients Say
Over 640 reviews available to view on Checkatrade.com, with a 9.9 out of 10 star rating.
Outstanding service and stunning results - a truly first class experience! We recently had our replacement windows, new front door, outside lights and gutter brush system installed, and I honestly couldn't be happier with the entire experience. From start to finish, this company was absolutely fantastic. The team arrived exactly when they said they would, worked incredibly efficiently, and even completed the job a full day earlier than scheduled. Their professionalism really stood out - they were friendly, respectful and extremely tidy. Everyday they left the area spotless, which made the whole process so much easier for us.
February 2026, Mayfield
Another first class job from Insulation Services. The team helped with all of our enquires along the way and offered a selection of design alternatives to suit our needs. The day of installation itself was a joy. The team left the site clean and tidy and went above and beyond to provide a fantastic service. Would definitely recommend.
February 2026, Tunbridge Wells
I would like to put on record how pleased we are with the
whole process, from the first meeting with Stephen to final completion.
Everything went as planned and the 3 employees who carried out the
work did so with great professionalism and were always very polite
when talking to them.
We will have no problem recommending you to others if the situation arises.
February 2026, Groombridge
Insulation Services refitted four toughened glass panels in my conservatory, fixed my conservatory door, repointed mortar and restored lead flashing above my conservatory roof. The whole experience was outstanding - office staff were super-friendly and helpful, and the tradesmen, Darrell
and Rob, were skilled and efficient. I couldn’t be happier with the quality of the work or the professionalism of everyone involved. A first‑class service I’d recommend without hesitation.
January 2026, Crowborough
Nice family run business. Very accommodating and attentive. Installation of my front door and windows expertly carried out. The two most amiable fitters had to deal with absolutely horrendous weather on the day, I was actually expecting a postponement, but everything went smoothly without a fuss. Wouldn't hesitate to use again.
January 2026, Tunbridge Wells
Insulation Services have just renewed all of the windows in my house, and I would highly recommend them. I found everyone at the company from sales through to the installation team to be friendly, and good at what they do. I am very pleased with the look, and quality of the windows installed, and with the care taken by the installers. I am very glad that I used this company for the job.
January 2026, Crowborough
Insulation Services were superb today - the team replaced toughened glass panels in my conservatory and repaired my conservatory roof to stop a water leak. The team worked efficiently, with great attention to detail, leaving everything watertight and looking excellent. A highly professional and reliable service.
December 2025, Crowborough
Excellent work from local company . They had to change the start date by a day or so but always communicated what was happening. The installation team very tidy and were happy to discuss the work process . The office were good responding by phone and email . I can’t comment on price but to be honest getting a good job done was the priority. Overall I would recommend.
November 2025, Crowborough
Replacement soffits, fascias and guttering. As ever, superb workmanship by Insulation Services. I was pleasantly surprised when they agreed to take on this job on my son's house as he lives near Chelmsford, Essex - some 60 miles from their base in Crowborough. As with other work they have done for us, the standard of work was second to none and the workmen were consumate professionals. The second day (of two) the weather was atrocious but they worked on without complaint. I have no hesitation whatsoever in recommending Insulation Services. You've tried the rest, now try the best!
November 2025, Chelmsford
Excellent company. Workmen were very efficient and clean. Made to measure door excellent. Whole process from estimate, to order to delivery was top class.
September 2025, Crowborough
Throughout the various meetings, telephone calls and written communications between us, everyone I dealt with was utterly professional. Insulation Services is an very competently managed business, delivering an excellent standard of workmanship.
July 2025, Crowborough
Darryl and Ollie were a credit to Insulation Services, they were polite, informative and very tidy, they made the whole dealing with the company a pleasure. Our kittens loved them! They did a grand job and both my wife and I are very pleased. Thank you!
July 2025, Crowborough
Insulation Services came and repaired 2 window locks. Whole experience was exceptional and was fascinating to watch . Made me wish that I had used them for the original installation.
July 2025, Crowborough
Prompt efficient workmanship carried out on my property, would recommend this company, Will use again. Many thanks.
June 2025, Crowborough
This company were as efficient as they were years ago when we contacted them for minor repairs.
June 2025, Tunbridge Wells
We have used Insulation Services previously and have always been very satisfied with the service provided. Office staff very friendly, helpful and quick to respond. Fitters extremely good with minimal disruption and arranged for some (manufacturer) damage (which we could not see) to be replaced. Have used other similar firms in the past but Insulation Services is by far the best of them all.
June 2025, Crowborough
Great service, very efficient and we would recommend.
March 2025, Crowborough
We have used Insulation services previously and without hesitation went back to them for this work The pricing is competitive, the standard of equipment and fitting excellent Jason and Oliver were professional, friendly, clean and tidy Highly recommend Insulation services.
March 2025, Crowborough
The 2 men were excellent - polite, very considerate, very thorough and extremely tidy. Would definitely recommend.
March 2025, Crowborough
This company have been great from start to finish a very friendly and polite team. All our options were well explained during the quoting process. The installation was completed to a high standard and the fitters were very tidy and courteous throughout.
March 2025, Crowborough
As expected, superb workmanship to replace fascia, soffit and guttering. We have used Insulation Services on a number of occasions and found them to be faultless. This piece of work simply added to that list of work carried out in a friendly, professional manner at a very reasonable cost. You've tried the rest - now try the best.
March 2025, Crowborough
Punctual, worked well in freezing conditions & left garden clean & tidy on completion. Would highly recommend.
March 2025, Crowborough
We can beat the other reviewer, we have used Insulation Services for 28 years, always had excellent service from them. They have built us a conservatory, replaced windows, built a porch and now put a solar velux window in. A friendly, polite team who come up with new ideas for us and who we have no hesitation in recommending.
March 2025, Crowborough
On-time, reliable and completed the job to a great standard. And great tea drinkers too! I would recommend to anyone. Thanks
January 2025, Crowborough
I have used this company many times over the last twenty years for a range of jobs from front door replacement through conservatory leak issues to front door mechanism replacement. By and large I have had excellent service. I can recommend them.
December 2024, Crowborough
Very good experience with this company. Very professional and neat work, it all looks great. You could tell they took a lot of pride in their work. I would recommend them. Good efficient office staff too, all very organised.
October 2024, Lewes
Work completed within time anticipated, with no fuss and no impact on us in the house. Finished windows look good. This was the third time we have used ISL, and very happy to recommend them.
June 2024, Mayfield
Good advice when selecting our replacement front door and quoted a competitive price. Door arrived and was fitted several weeks ahead of schedule. Installation was efficient and completed with a minimum of mess. Overall a very good service, we would thoroughly recommend Insulation Services.
May 2024, Crowborough
Insulation Services went to a great deal of trouble to find the type of front door I was looking for and the installation was thoroughly professional in every way. I could not be more pleased with the service provided and highly recommend the company.
June 2025, Crowborough
Impressed with the quality of the product and the fitting. Job was carried out on the exact date estimated when we ordered. Old double glazing was replaced which suffered considerable condensation in cold weather. This problem has completely cleared up after the new units were fitted. We are delighted.
