Customer Reviews

With more than 40 years of experience we’re well positioned to get feedback about our reputation, service and the double glazing industry, and to address it and steer our company towards the ultimate goal of 100% customer satisfaction.
Recently, we found that 97% of our customers love the job we did for them and would recommend us to friends and family.
There’s never time for complacency, but these quotes from our customers are a great reminder of the quality work our design and fitting teams do right across the UK.
Job carried out with no complaints I could say complete satisfaction (100%), installation very thorough no problems whatsoever.
More than happy with the product and installers better than expected would recommend Zenith to everyone.
These two guys were the BEST and tidiest workers I've ever dealt with!!! They are top professionals and lovely fellas!
The work was carried out thoroughly and professionally.
"The installers should be commended for the professional and polite manner they carried out the work.
"Ordered and installed within 1 month. Three installers were very good and left everywhere clean and tidy, they demonstrated how windows and door locks worked. Wouldn't hesitate to recommend Zenith and their products."
Very impressed with the two installers who worked long and hard hours under extreme weather conditions. They were also very tidy.
The two men who installed the windows were absolutely fantastic, polite, extremely hard working and efficient. I was impressed and would certainly recommend them.
The installers arrived, started work straight away and didn't stop until the job was done. They were very polite, knew what they were doing. Overall very satisfied.
Very pleased with our garage doors, installers pleasant and tidy workers.





