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ABOUT US
30 Years Of Double Glazing In Essex
Crystal Windows is a premier double glazing company with a rich legacy spanning three decades in London and the home counties. Established in 1995, our commitment to excellence has remained unwavering, making us a trusted name in the industry. Specializing in high-quality windows and doors, we blend cutting-edge technology with skilled craftsmanship to deliver superior products tailored to meet the unique needs of our clients. Our extensive experience, coupled with a dedication to customer satisfaction, has earned us a reputation for reliability and professionalism. As we celebrate 30 years of service, we continue to set the standard for innovation and reliability in the double glazing industry.
29+
Years
Trading
100+
Experienced
Staff
140k
Installations
Completed
98%
Customer
Rating
OUR RANGE
Browse Our Product Range
OUR REPUTATION
Our Testimonials
Susan
London
I was first approached by a sales man I gave my details and the rep came very nice and understanding he asked what I wanted my porch to look like. He done all the measurements gave me a price good price within a week they where fitting in my porch and can only say its the best thing I've done since lock down I have a smile on my face every time I come down my stairs Work men clean up all these mess. The one good thing is the company's call you to make sure your happy well I'm very happy you can be too.
Savvas
Romford
If the rest of their Installation crews are as professional in the work as the 2 guys I had. Then I would recommend Crystal Windows time and time again. From Start to finish great care was taken in the fitment of our French doors. Constantly measuring and checking everything fitted perfectly. Looking forward for the installation of the rest of my windows. Funds permitting. Well done.
Samantha Page
London
Sam and Paul were our fitters. They were brilliant. Everything was done cleanly. They were always on time, polite and helpful. Everything went smoothly and the windows and doors look amazing.
Alfred John
None
Had a lot of hoops placed by the freeholder to jump through but Crystal got through them all! Thank you!
Loz
Orpington, Kent
Service great from initial contact to finish. Dom and Stuart did a great job on the fitting and left the house in a tidy state
Maureen
Ruislip
Had front door and frame fitted. From the free sales consultant who came to our house in the evening as this suited us to mark and Ben Binding who fitted the door .excellent service . Mark and Ben have a fantastic work ethic friendly nice to chat to , they made feel like I had friends in my house. 10 out of 10 for them . The door was fitted to a high specification. I would defo use crystals again in a heart beat
Clive
None
Great service from Crystal. Very charming people from the Sales team to the installers. Thanks to Darren and Luke for doing a great job and ensuring everything was done and met my expectations. I would recommend Crystal over other providers. Honest people, great price and an excellent job done.
Georgia
Dartford
Great service. Polite prompt. Tidied up after themselves and windows are great quality. So why do I have to haggle over the price? This is so old school and the original price I was given was really expensive . Eventually we got down to a reasonable price admittedly a pretend phone call was made and lots of reply on the calculator. Not happy at all with the sales process and the actual work was great. They should be proud if their product and behave honestly around the pricing
Really impressed with Crystal from start to finish.
I am delighted with my new BiFold doors which were installed by a very experienced and competent pair of fitters.
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