Business Details
36 Years
experience
Trusted PVC-U Windows & Doors Manufacturer in Letchworth
Crystal Direct has been a trusted manufacturer of high-quality PVC-U windows, doors, and conservatories since 1990. Founded by Martin Randall, our company operates from a state-of-the-art facility in Letchworth, Hertfordshire, serving the new build, refurbishment, home improvement, and construction industries. With over 30 years of experience, we prioritise customer satisfaction through innovative product design, rigorous quality standards, and a commitment to providing genuine value for money. Our market-leading products are fully accredited and UKCA Marked, ensuring compliance with the highest industry regulations. We empower customers with choices, offering a comprehensive range of styles, colours, and configurations to meet diverse project requirements.Our nationwide network of over 259 approved suppliers ensures localised support and accessibility. Backed by exceptional customer service and a team of dedicated professionals, we strive to build lasting relationships within the communities we serve. Our Kubu Smart Lock technology enhances security while maintaining traditional locking methods, offering a unique competitive advantage. Through continuous innovation and a focus on future-proof solutions, we remain at the forefront of the home improvement sector. Our dedication to excellence is reflected in every product we manufacture and the partnerships we cultivate across the UK.
Services
PVC-U Windows
Composite Doors
Conservatories
Aluminium Bi-fold Doors
Solid Roofs
Lantern Roofs
Vertical Sliding Sash Windows
Tilt and Turn Windows
Foil Colour Customisation
Flat Skylights
Details
- Year established: 1990
Highlights and features
- We have over 30 years of experience in PVC-U product manufacturing.
- Our products are manufactured in a state-of-the-art facility in Hertfordshire.
- We offer a nationwide network of over 259 approved suppliers.
- Our range includes UKCA Marked, energy-efficient windows and doors.
- We provide innovative solutions like the Kubu Smart Lock technology.
Associations and certifications
- UKCA Marking
What people say
Energy-efficient designs
Durable materials
Wide product range
Excellent customer service
UKCA Marked products
Services
PVC-U Windows
Our PVC-U windows combine energy efficiency with robust security features. Available in flush casement, vertical sliding sash, and tilt-and-turn designs, they are tailored for thermal insulation and low maintenance. Ideal for residential and commercial properties across the UK.
Composite Doors
Durable composite doors offer enhanced security and aesthetic appeal. Featuring multi-point locking systems and customisable finishes, they provide year-round performance. Supplied through our nationwide network of approved installers for seamless integration.
Conservatories
Custom-built conservatories with lantern or solid roofs maximise natural light and space. Designed to UK building standards, they feature thermally efficient glazing and are available in various configurations to suit modern and traditional homes.
Kubu Smart Lock
Kubu Smart Lock technology enables real-time door monitoring via a smartphone app. Retaining traditional key operation, it offers hassle-free installation and future-proof security without compromising on convenience or reliability.
Aluminium Bi-fold Doors
Sleek aluminium bi-fold doors create seamless indoor-outdoor transitions. Engineered for durability and minimal sightlines, they are ideal for contemporary homes. Available in custom sizes and finishes to match architectural specifications.
People
Martin Randall
Founder
Martin Randall founded Crystal Direct in 1990, establishing it as a leading UK manufacturer of PVC-U windows and doors. His vision for quality and innovation continues to drive the company's growth and product development.
Questions
What products does Crystal Direct Direct manufacture?
We specialise in PVC-U windows, composite doors, conservatories, aluminium bi-fold doors, and roofing systems, all designed to UKCA standards.
How can I find a local supplier?
Use our online search tool or call 01462 489 900 to locate one of our 259+ approved suppliers nationwide.
Are Crystal Direct Direct products energy efficient?
Yes, our windows and doors feature thermally efficient designs to reduce energy bills and maintain indoor comfort.
What is the Kubu Smart Lock?
Kubu is a smart security system allowing real-time door monitoring via smartphone while retaining traditional key operation.
Where is Crystal Direct Direct based?
Our manufacturing facility and headquarters are located in Letchworth, Hertfordshire, UK.
Do you offer trade discounts?
Yes, registered trade customers can access exclusive pricing and support through our Pro Installer Scheme.
