Business Details
30 Years
experience
Your Trusted Partner for Windows & Doors in Chelmsford
Established in 1996, Abacus Windows has built a reputation as a trusted family-run manufacturer and installer of premium PVCu windows, doors, and conservatories. Based in Chelmsford, we serve homeowners, trade customers, and commercial contractors, offering tailored solutions that transform home improvement ideas into reality. Our ISO 9001-certified manufacturing process ensures energy-efficient, secure products with features like BBA-approved locking systems and U-values as low as 1.4.We prioritise transparency, inviting clients to witness their products being made, and back our work with a ten-year performance guarantee on GRP skin doors. With a focus on innovation, we offer slimline aluminium bi-fold doors, flush sash designs, and conservatories, all supported by free quotations and on-site fabrication for precision and efficiency.
Services
PVCu Windows
Aluminium Bi-Fold Doors
Conservatories
Composite Doors
Patio Doors
Trade Frames
Details
- Year established: 1996
Highlights and features
- We have over 25 years of experience in PVCu and aluminium window manufacturing.
- Our ISO 9001 certification guarantees rigorous quality control standards.
- On-site fabrication ensures precision and timely project completion.
- Ten-year performance guarantee on GRP skin doors for long-term reliability.
- BBA-approved locking systems and PAS24-compliant security features.
Associations and certifications
- ISO 9001
What people say
Exceptional quality
Professional installation
Energy-efficient solutions
Reliable service
Secure doors
Services
PVCu Windows
Our PVCu windows combine energy efficiency with security, featuring ISO 9001-certified manufacturing, BBA-approved locking systems, and U-values as low as 1.4. Available in casement, tilt-and-turn, and sash designs, they reduce energy bills while withstanding winds up to 70mph. Custom colours and triple-glazing options ensure tailored solutions for residential and commercial properties.
Aluminium Bi-Fold Doors
Engineered for thermal performance and sleek aesthetics, our aluminium bi-fold doors offer sightlines as slim as 120mm and U-values down to 1.4. PAS24-ready with 120kg leaf weight capacity, they feature dual-colour RAL finishes and smooth operation hardware. Ideal for modern homes seeking seamless indoor-outdoor transitions with minimal maintenance.
Conservatories
Tailored PVCu conservatories provide energy-efficient living spaces with double-glazed windows, self-cleaning glass options, and underfloor heating compatibility. Available in various shapes and sizes, they extend homes while maintaining thermal efficiency. Our team manages projects from design to installation, ensuring compliance with planning permissions where required.
Composite Doors
Our composite doors offer enhanced security with PAS24-compliant hardware and U-values as low as 0.89 for energy savings. Made in Britain, they feature GRP skins, a ten-year performance guarantee, and a choice of colours and designs. These doors combine durability with aesthetic appeal for residential properties.
Trade Frames
On-site fabrication of energy-efficient trade frames ensures precision and timely delivery for contractors. Available in PVCu and aluminium, these frames meet exact specifications with options for double/triple glazing up to 44mm thickness. Trade discounts and free quotations support commercial and residential projects.
Questions
What materials do you use for windows and doors?
We use PVCu and aluminium systems, including ISO 9001-certified profiles, BBA-approved hardware, and energy-efficient glazing.
Do you offer guarantees on your products?
Yes, we provide a ten-year performance guarantee on GRP skin doors and ensure compliance with PAS24 security standards.
Can you help with conservatory planning permissions?
Our team assists with design and planning permission applications where required, ensuring compliance with local regulations.
Are your products energy efficient?
Yes, our windows and doors feature U-values as low as 1.4, reducing heat loss and energy bills.
Do you serve both residential and commercial clients?
We cater to homeowners, trade customers, and commercial contractors with tailored solutions for all project types.
How can I request a quote?
Contact us via phone at 01245 349 797 or request a visit for a no-obligation quote tailored to your requirements.
