Defenster is a leading double glazing company operating throughout Dunbartonshire and Greater Glasgow. With many years of experience in all aspects of window and door installation we have grown to be trusted, referred and recommended mainly because we remain to be among the minority of glazing companies who really take pride in every aspect of what we do. Our UPVC windows are expertly designed and skilfully manufactured to provide you with high energy efficiency, all-around home comfort, exquisite beauty and lasting durability.
Designed for maximum security and ease of use, all Defenster doors are manufactured to the highest quality standards. Toughened safety glass provides optimal heat retention and sound-proofing properties. For the discerning customer, who wants to add more than just any new windows and doors to their home, the Defenster range provides the perfect solution - impressive design without compromise. There are a variety of styles available in white, mahogany, rosewood or golden oak effect. Defenster doors are a classic combination of advanced technology, traditional elegance and high security.
The Defenster conservatory is the most affordable way to add space to your home. Available in a range of colour options from traditional white and wood-grain finishes to a combination profile with white inside and wood-grain on the outside, Defenster conservatories will add character and charm to any home. The Defenster conservatory can transform a dark recess into a bright and practical living space. From period style Victorian and Edwardian structures to Gable Ended and P-Shaped conservatories - versatile bespoke system can be crafted to an extensive range of styles enabling you to choose the right character of conservatory for your home.
Designed, manufactured and tested to the most stringent standards, the defenster range is everything you want and need in a window system for your home. Style, strength, security and one that's built to last. The Defenster range offers the most extensive range of profiles, giving the greatest possible choice of window and door options to suit any home.