Supplying The Trade Nationwide Since 1996
Your one stop shop, we sell everything the trade needs under one roof!
Explore Our Ranges
We make it easy for trade partners to deliver quality and value to their customers. Our expansive range includes energy-efficient aluminium and uPVC doors, windows, and roofing - all manufactured in-house for consistency and reliability. With bespoke products, fast turnaround times and unrivalled service and support from our friendly team of experts, you can trust us to help you deliver outstanding results on every project.
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About Us
For almost 40 years, Carlisle Window Systems has been supplying trade installers nationwide with high-quality aluminium and uPVC doors, windows, roofing, glazing, and stunning conservatories and orangeries.
All of our products are made in-house using premium, energy-efficient materials and come with a reassuring 10-year guarantee.
From personalised design to expert installation, we make upgrading your clients properties easy, stress-free and great value.
Stay Ahead With Expert Knowledge
Looking for product details, specs or inspiration? Our brochures give you everything you need to explore our full range of doors, windows, and roofing. Easy to browse and packed with useful information, they’re designed to help you choose the right products for your customers with confidence.
Our Trade Partners
We believe every client is a valuable, long-term partner, helping us to offer you the best fenestration products that the UK has to offer.
Don't Just Take Our Word For It!...
Very friendly and efficient. Got a lovely, good quality composite front door fitted. Great service.
Jodie Hewitson
The company were very professional, from the sales through to the fitting and kept us updated through the delays caused by covid lockdown and restrictions.
The fitters were excellent and ensured that they tidied up after each day.
Customer from DG2referenceline.com
Carlisle Window Systems were professional, prompt and did a great job. They tidied up after themselves and kept me informed as they worked. I would have no hesitation about recommending them to anybody. Their prices were very competitive and their workers friendly and helpful.
Customer from DG14referenceline.com
