Guarantees and Credentials
Our generous guarantees and impressive credentials are testament to Everest's excellence.
No wonder organisations such as British Telecom, the Royal Air Force and the Ritz Hotel have invested in our products, as well as nearly two million UK homes.
No-quibble guarantees
If within 7 days of ordering home improvements from us, you find a lower price for home improvements designed, made and installed to the same specifications and with the same guarantees, we'll refund the difference.
Our no-quibble guarantees include:
- A lifetime guarantee against fog or condensation between the double-glazed panes of the sealed units in our uPVC casement windows and uPVC entrance doors
- A lifetime guarantee on our flat roofs made with GRP (Glass Reinforced Plastic)
- A 20-year guarantee on most white Everest Roofline products
- Five-year guarantees on coatings on our timber windows, plus 30-year guarantees against rot and fungi
Meeting and exceeding standards
We're so far ahead of industry standards, we often set them. Here are just a few of our credentials:
- Our products hold nine coveted British Standards Institute (BSI) kitemarks and an ISO 9001 2000 registration recognising our unflagging standards
- We helped establish test criteria for BSI's improved security windows kitemark
- We're the first-ever British double-glazing manufacturer and installer to win a British Board of Agreement (BBA certificate) for our uPVC casement windows - recognised Europe-wide as proof of excellence
- We're founding members of the Glass and Glazing Federation (GGF)
Everest Price Promise
Our superb, guaranteed products and excellent service mean Everest gives real value for money.
In fact, if within 7 days of ordering from us, you find a lower price for products designed, made and installed to the same specifications and with the same guarantees, we'll refund the difference.