BSI

The British Standards Institute (BSI) is the National Standards Body of the UK. We’re proud to certify to ISO 9001 – the world’s most recognised quality management standard and hold 7 Kitemark certifications for meeting exceptional quality and safety standards.

FENSA

The Fenestration Self Assessment Scheme (FENSA) is the largest scheme for installers that are trusted by Local Authorities, industry and Government and was founded in 2002. FENSA cover replacement window and door installations in England & Wales. FENSA Scotland was founded in 2021, covering replacement window and door installations in Scotland. FENSA do not cover installations on The Isle of Man.

Benefits of FENSA certification:

• Confirms compliance with building regulations
• Shows your installation’s energy efficient
• Ensures it’s registered with the Local Council
• Verifies your installer’s guarantee is insured
• Essential when selling the property

What’s Covered:

FENSA covers the replacement of external windows, doors, roof windows and roof lights in homes in England, Wales & Scotland against the relevant Building Regulations. Note that the property must be sited on its original footprint, and the use and size of rooms mustn’t be altered.

What’s Not Covered:

FENSA doesn’t cover the installation of windows and doors in new conservatories, porches, new builds, new extensions, repairs (where frame not included) and commercial properties. FENSA don’t cover any other products that Everest offer and they also don’t cover any installations on The Isle of Man.

Made in Britain

Made in Britain are passionate about UK manufacturers and British-made brands so champion authentic British goods to help skills, crafts and innovation thrive. We're proud to be members of 'Made in Britain', which shows our continued commitment to British manufacturing & design.

Quiet Mark

Quiet Mark is the international approval award associated with the UK Noise Abatement Society charitable foundation. It encourages companies to prioritise noise reduction and find solutions. Everest exclusives double glazed casement windows have been approved.

Secured by Design

Secured by Design is a UK police initiative promoting products that help reduce the risk and fear of crime. It's the only form of Police approval for products in the UK and to achieve Secured by Design status, our products had to adhere to the organisation’s rigorous test standards.

BFRC

The BFRC is the UK's national system for rating energy-efficient windows and doors. The WER (Window Energy Rating) scheme is used to measure energy efficiency levels from A++ to E. Our uPVC casement windows are rated A+ while our triple glazing achieves an A++ rating.