Beautiful, Energy-Efficient Windows for Every Home
Whether you live in a traditional cottage, a contemporary home, or a new-build property, high-quality, energy-efficient uPVC windows can enhance your home’s appearance, improve its value, and help reduce heating costs. All Cowen Windows are manufactured using industry-leading VEKA window systems, including the Matrix 70mm Chamfered and Matrix 70mm Fully Sculptured profiles. By combining premium materials with expert craftsmanship, we deliver windows that are built to perform, designed to last, and finished to the highest standards.
Our low-maintenance uPVC windows will never need painting and are resistant to rot, warping, and weathering. Keeping them looking their best is simple, requiring only an occasional clean with warm soapy water.

Windows Tailored to Your Home
Our experienced team can guide you through every aspect of choosing your new windows, from selecting the right style and glazing options to advice on planning requirements and hardware choices. As a Network VEKA member, Cowen Windows is regularly audited to ensure the highest standards of product quality, fabrication, and installation. This independent assessment gives homeowners confidence that they are choosing a company committed to excellence. We offer a wide range of internal and external finishes, including authentic woodgrain effects, woodgrain-on-white combinations, and an extensive selection of contemporary colours. Our product range includes:
- Casement Windows
- Tilt & Turn Windows
- Flush Sash Windows
- Vertical Sliding Sash Windows
Whatever your property styles, we’ll help you find the perfect solution.

Network VEKA Approved for Complete Peace of Mind
Network VEKA members undergo a rigorous assessment process that evaluates both workmanship and financial stability. Choosing Cowen Windows means you’re working with a trusted installer backed by one of the industry’s most respected organisations. For added reassurance, eligible installations are protected by Network VEKA’s industry-leading 10-Year Insurance Backed Guarantee, providing long-term peace of mind for your investment.
