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Business Details
Trusted uPVC Windows, Doors & Conservatories in Essex
Established over 28 years ago, we have built a reputation for excellence in manufacturing high-quality uPVC windows, doors, and conservatories under the Spartan brand. Our family-run business combines expert craftsmanship, knowledgeable staff, and premium materials to deliver products that meet the evolving needs of homeowners and installers. We prioritise security, energy efficiency, and durability, ensuring our products exceed industry standards.

With a focus on innovation, we collaborate closely with our nationwide network of installers to simplify the sales and installation process. Our commitment to quality is reflected in accreditations such as Secured by Design and partnerships with trusted suppliers like Eurocell and MACO. We continue to lead the market by offering cutting-edge solutions tailored to modern construction demands.
Services
uPVC Doors Composite Doors Bi-Fold Doors French Doors Windows Conservatories Energy-Efficient Doors Door Security Features Triple Glazing Spartan Range
Highlights and features
  • We offer 28 years of expertise in uPVC window and door manufacturing.
  • Our products are Secured by Design accredited for enhanced security.
  • We provide energy-efficient solutions with U-values as low as 0.7.
  • Our nationwide installer network ensures reliable service across the South of England.
  • We combine innovative design with durable materials for long-lasting results.
Associations and certifications
  • Secured by Design
  • BSI
  • BFRC
Services
uPVC Doors
Our uPVC doors combine robust security features with energy-efficient design, featuring multi-point locking systems and chambered frames. Available in traditional and modern styles, they offer durability and low maintenance. Ideal for homeowners seeking reliable, thermally insulated entrance solutions.
Composite Doors
Composite doors feature solid timber cores for superior thermal insulation and security. They are available with triple glazing options and U-values as low as 1.8. Designed to withstand extreme weather while maintaining aesthetic appeal.
Bi-Fold Doors
Bi-fold doors provide seamless indoor-outdoor living with energy-efficient triple glazing and secure locking mechanisms. Available in dual-extruded frames for enhanced insulation. U-values as low as 0.9 ensure year-round comfort.
Energy-Efficient Doors
Energy-efficient doors utilise 6-chambered frames and triple glazing to achieve U-values as low as 0.7. They reduce heat loss and noise pollution, making them ideal for eco-conscious homeowners. Compliant with BFRC energy ratings.
Door Security Features
Enhanced security features include Secured by Design accredited locks, anti-drill spin discs, and reinforced hinges. These upgrades protect against forced entry while maintaining operational ease. Available across all door ranges for added peace of mind.
Questions
What security features do your doors include?
Our doors include Secured by Design accredited locks, anti-drill spin discs, reinforced hinges, and multi-point locking systems to prevent forced entry.
Are your products energy efficient?
Yes, our uPVC and composite doors achieve U-values as low as 0.7, with triple glazing and chambered frames for optimal thermal performance.
How can I become an accredited installer?
Contact us to discuss joining our installer network. We provide training and support for installers across the South of England.
What areas do you serve?
We supply products to installers and builders throughout the South of England.
Do you offer triple glazing options?
Yes, all our uPVC and composite doors are available with double or triple glazing, including noise-dampening solutions for busy areas.
What accreditations do you hold?
We are accredited by Secured by Design, BSI, and BFRC, ensuring compliance with rigorous security and energy efficiency standards.