[6] In November 2013, the company won the Interactive Media Awards in content, design, functionality, high standards of compliance and usability.

Everest," written by advertising executive Rod Allen, was made memorable by the company's first television advert in the 1980s.

Filmed in 'Britain's highest pub' the Tan Hill Inn in Tan Hill, North Yorkshire, it attempted to showcase the draught-proofing of Everest double glazing by having television personality Ted Moult dropping a feather on one side of the pubs double-glazed windows, while a gale raged outside.

[19] It created some controversy after local planning officials recognized that Everest had not properly authorized the improvement work done to the filming location, as is required for commercial premises.

[22] In 2011 the ASA banned an Everest advert for solar panels, following claims of misleading consumers regarding potential cost savings.

claimed that of 14 companies it investigated selling double glazing on the doorstep, most were employing "cowboy" sales tactics.