• Essential Customer Relationships

    Everything we supply is tailor-made so it is imperative
    that we work closely with our customers in order to fully
    understand exactly what is required.

  • Product Diversity

    With 2 major production plants, John Fredericks has the facility to offer
    an extensive range of products.

  • Client Support

    Our installer network enjoys a complete marketing support package
    backed up with comprehensive training.

Micron Pro

John Fredericks Plastics Limited

Your Complete Fenestration Partner


Established in 1970, John Fredericks Plastics have now amassed 46 years of trading with a strong record of innovation and a loyal customer base. The company’s management team attribute the company’s longevity and enviable growth to its focus upon quality, delivery and innovation.


Services at John Fredericks



The John Fredericks philosophy is personal service. It’s all about building personal one-to-one relationships

Product Overview



John Fredericks Plastics fully understand the importance to our customers of being able to supply a diverse range of products.

Client Support John Fredericks



As an installer of windows doors and conservatories, you know better than most that success is all about offering just that little bit more than your competitors.

Environment Sustainability



At John Fredericks we have always believed that to ensure a sustainable future, business’s need to be environmentally responsible and become an example to the public.

Join the CIN Network



We take pride in our unique products, so naturally we also care about final installation. It is for this reason we have selected leading local companies across the UK to install from our range of PVC-u windows, doors and conservatories.

John Fredericks Accreditations

Your browser is out of date. It has security vulnerabilities and may not display all features on this site and other sites.

Please update your browser using one of modern browsers (Google Chrome, Opera, Firefox, IE 10).


By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.