We take quality seriously, so we’re proud that our standards are endorsed by all the relevant industry bodies and glazing associations.

The quality of home improvement products can vary greatly between companies, so it’s important to make sure you’re dealing with someone whose quality standards are endorsed. With Clydebuilt Home Improvements, you have the reassurance that you’re buying from a company that’s constantly raising the standard in home improvement design and quality. We’re not only accredited by all the relevant industry bodies and glazing associations but in many cases we exceed the normal industry standards of quality and excellence. We’re proud to hold the following accreditations.


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.



When a consumer uses a TrustMark Registered Business, they know they are engaging an organisation that has been thoroughly vetted to meet required standards, and has made a considerable commitment to good customer service, technical competence and trading practices.



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+ .


Glass & Glazing Federation

Clydebuilt Home Improvements is a leading member of the Glass and Glazing Federation (GGF). The GGF monitors the performance of member companies to ensure the standard of products and installation remain consistently high.

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FENSA is a government-authorised scheme that monitors building regulation compliance for replacement windows and doors. Each FENSA Approved Installer is assessed regularly by us to ensure its compliance to building regulations.

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ISO 9001 Quality Management

The ISO9001 Quality management System demonstrates our companies commitment to quality.  Always focusing on our customers and their needs with strong management and leadership to improve productivity.