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Your Trusted Local Window & Door Specialists in Hull
Colfax Window Systems has been a trusted name in the manufacturing and installation of high-quality PVC-u windows, doors, and conservatories for over 40 years. Established in Hull, we serve East Yorkshire and surrounding areas, offering energy-efficient solutions tailored to both residential and trade customers. Our FENSA registration ensures compliance with the latest building regulations, while our in-house manufacturing guarantees competitive pricing and product quality.

We pride ourselves on using industry-leading Deceuninck profiles and partnering with Hertswood Joinery for timber alternatives, ensuring a comprehensive range of materials. Our Hull showroom provides a hands-on experience with expert guidance, and our 10-year product guarantee underscores our commitment to durability and customer satisfaction. With a focus on thermal efficiency and security, we deliver bespoke installations that enhance home aesthetics and value.
Services
PVC-u Windows Doors Conservatories Composite Doors Bi-Fold Doors French Doors Patio Doors Flush Sash Windows Entrance Doors
Highlights and features
  • 40+ years of expertise in PVC-u window and door installations.
  • FENSA registered for compliance and quality assurance.
  • In-house manufacturing ensures product quality and competitive pricing.
  • 10-year guarantee on all products for peace of mind.
  • Hull showroom offering personalized consultations and product displays.
Associations and certifications
  • FENSA
What people say
Great window company staff Amazing experience Prices very competitive Very good service
Services
PVC-u Windows
Our PVC-u windows combine durability and energy efficiency, featuring multi-point locking systems and A-rated double glazing. Manufactured in-house using Deceuninck profiles, they offer thermal insulation and noise reduction. Available in over 150 RAL colours, these windows are tailored to enhance property aesthetics while ensuring long-term performance.
Composite Doors
Composite doors merge security and style, with GRP foam cores for superior insulation. Customisable in various finishes and equipped with anti-drill locks, they meet PAS 24 standards. These low-maintenance doors provide lasting durability and enhance home security, ideal for modern and traditional properties alike.
Conservatories
Custom-built conservatories add space and light to homes, available in six styles with glazed or tiled roofs. Thermally efficient and compliant with building regulations, they feature insulated walls and floors. A 10-year guarantee ensures lasting value and comfort for all seasons.
Bi-Fold Doors
Bi-fold doors create seamless indoor-outdoor transitions, with slim frames and expansive glass panels. Available in PVC-u or timber, they maximise natural light and offer secure, space-saving access. Ideal for modernising homes and enhancing garden connectivity.
Timber Windows
Sustainably sourced timber windows provide classic aesthetics and excellent thermal insulation. A+ energy-rated with double glazing, they suit listed buildings and conservation areas. Custom finishes and heritage designs ensure compatibility with traditional architecture while maintaining modern performance standards.
Questions
What services does Colfax Window Systems offer?
We manufacture and install PVC-u windows, doors, conservatories, and timber alternatives, serving residential and trade clients in Hull and East Yorkshire.
Are your products energy efficient?
Yes, all products feature A-rated double glazing and thermal insulation to reduce energy bills and improve home comfort.
Do you provide guarantees?
Yes, we offer a 10-year guarantee on all windows, doors, and conservatories for added peace of mind.
Is financing available?
Yes, we provide comprehensive finance options to make home improvements more accessible and affordable.
Can I visit a showroom?
Yes, our Hull showroom on Leads Road is open seven days a week for product displays and expert consultations.
Are you FENSA registered?
Yes, we are FENSA registered, ensuring compliance with building regulations and quality standards for double-glazing installations.