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Industry Standards

At Jon Chambers Windows we pay more than lip service to the concept of quality control. We are committed to providing our customers with market leading windows, doors and conservatories. Not only do we operate some of the most stringent quality control procedures in the industry (as demonstrated by our BS7412 accreditation), our staff  are dedicated to ensuring the standard of our products. In addition, every frame is checked prior to despatch to ensure it lives up to our customer's high expectations.


Operating under industry leading and award winning standards, we are committed to staying at the forefront of product performance, accreditation and operational standards.

System Accreditations

Through a commitment to research, innovation and constant product development and improvement, Liniar has attained all the accreditation's and services available through the leading UK bodies and institutions.


These include BSI (British Standards Institution), Kitemarks and BBA (British Board of Agreement).

Qualified Installers

We pride ourselves on the fact that all our surveyors and installers hold qualifications in their field giving you a piece of mind that all installations are carried out in the correct manner and to the highest standard.


The picture below shows the cards our installers carry with them to prove who they are and there qualification.

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