Business Details
Premium uPVC Windows & Doors in Great Baddow
Established over 28 years ago, Design Window & Door Systems has built a reputation for excellence in manufacturing and supplying high-quality uPVC windows, doors, and conservatories under the Spartan brand. As a family-run business, we combine expert craftsmanship, knowledgeable staff, and premium materials to meet the evolving needs of installers and builders across the South of England. Our products are designed with security, energy efficiency, and durability at their core, featuring advanced locking systems, thermal insulation, and robust construction. We prioritise innovation, offering a wide range of styles, colours, and configurations to suit diverse architectural preferences.Our commitment to quality is reflected in accreditations such as Secured by Design and partnerships with industry leaders like Eurocell and BSI. We support our network of installers with comprehensive technical assistance and training, ensuring seamless project delivery. With decades of experience, we remain dedicated to delivering solutions that enhance both the functionality and aesthetics of homes. Our team works tirelessly to maintain our position as a trusted supplier, combining tradition with modern advancements to meet the highest industry standards.
Services
uPVC Windows
Composite Doors
Conservatories
Bi-Fold Doors
French Doors
Energy-Efficient Doors
Security Features
Door Handles
Window Installation
Installer Support
Highlights and features
- We offer 28 years of expertise in manufacturing uPVC windows and doors.
- Our products are Secured by Design accredited for maximum security.
- We provide energy-efficient solutions with U-values as low as 0.7.
- Our Spartan brand offers a wide range of styles and customisation options.
- We support installers with technical assistance and training.
Associations and certifications
- Secured by design
- BSI
- BFRC
- Eurocell
- MACO
Services
uPVC Windows
Our uPVC windows combine advanced extrusion technology with energy-efficient designs, offering thermal insulation and low maintenance. Available in traditional, classic, and modern styles, they feature multi-chambered frames and triple glazing options. Ideal for homeowners seeking durability and aesthetic versatility.
Composite Doors
Composite doors provide robust security and thermal efficiency, with solid timber cores and reinforced frames. They meet Secured by Design standards and offer customisable finishes, including a range of colours and hardware options for enhanced curb appeal.
Conservatories
Our conservatories are crafted to extend living spaces with energy-efficient glazing and durable uPVC frameworks. Designed for year-round use, they feature thermal insulation and weather-resistant construction to blend seamlessly with existing properties.
Bi-Fold Doors
Bi-fold doors offer seamless indoor-outdoor living with minimal sightlines and secure locking systems. Available in uPVC or composite materials, they provide thermal efficiency and easy operation for modern homes.
Security Features
We integrate advanced security features, including multi-point locks, anti-drill cylinders, and reinforced hinges. All products meet Secured by Design standards, ensuring protection against intrusions while maintaining aesthetic appeal.
Questions
What security features do your doors include?
Our doors feature Secured by Design accreditation, multi-point locks, reinforced handles, and anti-lift frames for maximum security.
Are your products energy efficient?
Yes, our uPVC doors and windows offer U-values as low as 0.7, with triple glazing and thermal inserts for superior insulation.
How can I become an accredited installer?
Contact us directly to discuss joining our installer network and accessing technical support and training.
What areas do you serve?
We supply installers across the South of England with our Spartan brand products.
What materials are your products made from?
We use high-quality uPVC, composite materials, and recycled components for durability and sustainability.
Do you offer customisation options?
Yes, our products come in a range of styles, colours, and configurations to suit individual preferences.
