UPVC Windows in Greater Manchester
Find the best UPVC Windows in Greater Manchester as recommended by local Greater Manchester people in thebestof Greater Manchester's UPVC Windows directory.
Unbelievable service from start to finish.Turned up when advised and job completed on time. 5 Stars
Fortis completed a resealing of some elderly double glazing at my house. .The men were polite and hardworking and I will be sure to use Fortis again when I need …
Review updated October 2025 Would highly recommend Fortis Windows. From John and Shaun, Graham, David, Matt and Charlie and Ian the builder, all were very professional and their customer service …
good service clear communication and decent price
Very happy with our windows. Lovely friendly staff, thanks to John for all his help and to Danny and Charlie for the fitting of the windows.
The whole process from measuring to fitting was excellent. The fitting of new patio doors and replacing 11 windows only took 5 hours start to finish. The whole experience was …
Absolutely delighted with our new Rockdoor fitted by Fortis. Great communication throughout the whole process from order to fitting . The Fortis team arrived on time, did an amazing job …
Fortis Windows did a fantastic job replacing our window panes. We live in a listed building and the frames themselves cannot be replaced/damaged. We also live on the 2nd floor …
Came on time, were very friendly and polite, took care passing through the house. The job was completed well and thoroughly with a great deal of experience and undid my …
Very professional, gave lots of constructive guidance on the benefits of different options during the initial visit. The installation team were extremely polite, professional and very tidy. Extremely happy with …
Excellent service from start to finish can not fault this company Really pleased with the finished look
Fortis replaced all the windows in the house. The job was competitively priced. The team that fitted the windows were on site on time, worked solidly throughout the day without …
Fortis windows replaced all the windows, and exterior doors to our cottage. I chose them because they are local, the price was competitive, and importantly, had excellent reviews. I was …
Suberb service from quotation to fitting. The quality and fit of the windows/doors is fantastic as are the fitters who are careful with existing decoration and are clean and tidy, …
Quality service from the day the surveyer called to the day of fitting the window and doors.. Quality UPVC windows..... Local company with quality. Give them a call 5☆
Excellent service repairing my bi fold doors
Great customer service. From start to finish all the team were professional, from the initial consultation with John to the work being completed by the guys. Any issues were dealt …
John and the team did a great job changing the window and replacing another blown unit on another window. Polite, efficient and a pleasure to deal with. Would definitely recommend.
We found this company on the rock door website as an official installer and never regretted a moment of choosing them they made it so simple from start to finish …
Cannot fault the service that this company gives.from coming out and measuring and quote to finishing the job.
Windows installed quick and efficiently and just as I wanted. Quick turnaround from measuring up to fitting the windows. Could not fault.
The team at Fortis are fantastic. The install on my property wasn’t straight forward for various reasons (a beehive being one of them..) They were super flexible with timeframes and …
Excellent company, very nice staff, professional and prompt. Did a fantastic job. Would definitely recommend.
We had a positive experience with Fortis and would strongly recommend them. We had a few uncommon specifications, like acoustic glass and trickle vents, and John listened carefully and helped …
We recently had some replacement windows fitted and couldn’t be happier with the results. The team arrived on time, worked efficiently and left everything spotless afterward. The windows look great …
