Suppliers & Installers Of Quality Windows, Doors, Conservatories & Garage Doors…

At Carlisle Window Systems, we are a company dedicated to creating and installing the very highest quality Windows, Doors & Conservatories which can help improve the character and energy saving of homes throughout Cumbria, Northern England and South West Scotland.

Whether you are looking for replacement windows or to create a fabulous 1st impression from our range of front doors, we have a huge range of UPVC products offering many styles and finishes to suit you.

As a leading company in Cumbria we have the best professionally skilled team to install our products, giving all of our customers the reassurance and confidence that the service you will receive will be of the highest quality.


Choose a company with over 35 years experience!


CWS-tickProducts manufactured on our own premises

CWS-tickInvestment made for the future

CWS-tickEco friendly & energy efficient products


CWS-tickGuaranteed quality products & service

CWS-tickProfessional, help, advice and service

CWS-tick100% satisfaction is our goal