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BSI Accreditation

Before we Survey and Install our Windows and Doors to the Kitemark British Standard, we have to prove we have earned the title.

At Coral Windows & Conservatories the survey and installation of our windows and doors has achieved the BSI Kitemark since 2005. This means our installations are independently tested against tough industry standards. And we don’t just do this once, every six months we are re-tested to make sure we won’t let you down and once again our latest inspection in September 2014 has endorsed our standard.

Its only when our surveying and installations have achieved third-party certification, that we are awarded the BSI Kitemark. Which, by the way, means we are the only installing company in Yorkshire to hold this prestigious certificate.

The BSI Kitemark is a truly independent quality mark which has been recognized and valued for over 100 years. Its adopted industry-wide by the most forward thinking window and door manufacturers and installers who are committed to offering only products which meet the highest standards.

88% of respondents from a recent survey believe it shows a reputable company whilst 75% of adults said it made choosing between products easier.*

For the best in quality windows and doors visit

Or call 01133 996 029

Coral Windows & Conservatories. BSI Kitemark™ approved

*GfK NOP Survey 2011, commissioned by BSI


100% Pass rate for all random consumer protection association inspections – year on year for the last 15 years

View our CE Certificate

*This offer is only applicable when the goods are installed within 12 weeks of the order date.
**Interest free credit is not available on conservatory, porch, roofline or roof products.
**Authorised and regulated by the Financial Conduct Authority.

See April 2020 offer T&Cs for full details.