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Expert Aluminium Windows & Doors in Witney
At Paragon Windows, we specialise in delivering high-quality aluminium products that redefine comfort, style, and durability. Our expertise spans residential and commercial applications, offering innovative solutions such as bi-folding doors, thermally efficient windows, and robust roofing systems. With a focus on precision engineering and premium-grade materials, we ensure long-lasting performance, enhanced security, and sleek aesthetics. Our team collaborates closely with clients to tailor products to specific design visions and functional requirements, prioritising thermal insulation, low maintenance, and seamless operation. Backed by decades of industry experience, we combine craftsmanship with cutting-edge technology to meet modern construction demands.

Our commitment to excellence is reflected in compliance with British and European standards, including Document L for thermal efficiency and PAS 24 security certifications. We serve both domestic and commercial sectors, providing customised solutions that elevate spaces while ensuring energy efficiency and durability. Our reputation is built on trust, transparency, and a dedication to exceeding client expectations through meticulous attention to detail. Whether upgrading a home or developing large-scale projects, we deliver products that stand the test of time, blending innovation with practicality.
Services
Aluminium Windows Entrance Doors Patio Doors Bi-Folding Doors Roofing Systems
Highlights and features
  • We offer thermally broken aluminium systems for superior energy efficiency.
  • Our products comply with Document L and PAS 24 security standards.
  • Customisable designs to match modern and traditional architectural styles.
  • Durable, low-maintenance solutions resistant to rust and corrosion.
  • Expert guidance from consultation to installation for tailored results.
Services
Aluminium Windows
Our aluminium windows combine slim sightlines with advanced thermal technology, offering durability and modern aesthetics. Designed to resist corrosion and warping, they feature multi-point locking for security and are available in over 200 RAL colours. Ideal for residential and light commercial use, they enhance energy efficiency while maintaining a sleek architectural look.
Bi-Folding Doors
These doors create seamless transitions between indoor and outdoor spaces with minimal thresholds and high-security locking. Available in dual-colour finishes, they accommodate up to six panels and comply with Document L for thermal efficiency. Perfect for homes, conservatories, and commercial venues like cafes.
Roofing Systems
Our aluminium roof systems flood interiors with natural light using slim, thermally efficient profiles. Designed for flat roofs, they eliminate bulky supports and offer a 30% reduction in visible rafters compared to conventional systems. Ideal for extensions and commercial spaces requiring modern, durable solutions.
Entrance Doors
These doors serve as secure, stylish focal points for homes and buildings. Featuring high-security glazing and dual-colour options, they combine durability with low maintenance. Available in contemporary or classic designs, they meet PAS 24 standards for enhanced safety.
Patio Doors
Our sliding patio doors maximise light and views with slim frames and triple-track options. Suitable for residential and commercial use, they offer thermal efficiency via polyamide breaks and are available in 200+ RAL finishes. Configurable with lift-and-slide mechanisms for ease of use.
Questions
What products does Paragon Windows offer?
We provide aluminium windows, bi-folding doors, patio doors, entrance doors, and high-performance roofing systems for residential and commercial properties.
Are your products energy efficient?
Yes, our thermally broken aluminium systems meet Document L standards, ensuring excellent insulation and reduced heating costs.
Can I customise the design of my windows and doors?
Yes, we offer a range of colours, finishes, and configurations to suit modern and traditional architectural styles.
Do your products meet security standards?
Our doors and windows are PAS 24 compliant and feature multi-point locking systems for enhanced security.
What areas do you serve?
We primarily serve Witney and surrounding regions, providing tailored solutions for local residential and commercial projects.
What warranty do you offer?
Our aluminium products come with a 10-year guarantee, ensuring long-term durability and peace of mind.