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Trusted Windows & Doors Installation in Bradford
Established in the heart of Bradford, West Yorkshire, GM Windows has built a reputation as a trusted family-run business specialising in the manufacture and installation of high-quality windows, doors, and conservatories. Our commitment to excellence is reflected in every product we deliver, combining advanced security features with energy-efficient designs tailored to meet the needs of modern homes. With a dedicated team of skilled professionals, we ensure meticulous attention to detail during every installation, supported by a customer service department ready to address inquiries promptly.

Our partnerships with leading manufacturers like ERA Home Security and Solidor guarantee access to cutting-edge locking systems and durable materials, while our 10-year guarantee on conservatories underscores our confidence in long-term performance. From traditional UPVC frames to bespoke composite doors, we offer a comprehensive range of solutions designed to enhance both the aesthetic appeal and functional value of residential properties across the region.
Services
Windows Doors Composite Doors PVCu Doors Conservatories Roofline Shop Fronts Triple Glazing Replacement Windows Security Doors
Highlights and features
  • Family-run business with over a decade of regional expertise
  • Direct manufacturing ensures competitive pricing and quality control
  • 10-year guarantee on conservatory installations
  • Exclusive use of ERA Vectus Plus high-security locking systems
  • Comprehensive range of A-rated energy-efficient products
Services
Windows
Our A-rated UPVC windows combine energy efficiency with robust security features, available in white, woodgrain, or coloured finishes. Designed to withstand UK weather conditions, they feature multi-point locking systems and Planitherm glass for thermal performance. Ideal for reducing heating bills while maintaining aesthetic appeal across traditional and contemporary properties.
Composite Doors
Manufactured using Solidor's GRP and solid core technology, these doors offer 100% solid wood construction with 5-point locking systems. Available in 19 Italia Collection designs, they provide thermal efficiency and low maintenance, featuring optional integral blinds, decorative glass, and contrasting colour frames for enhanced kerb appeal.
Conservatories
Built with a 10-year guarantee, our conservatories use energy-efficient glazing and durable materials to create year-round living spaces. Options include triple glazing, decorative roof panels, and custom designs from lean-to to orangery styles, all installed by certified professionals to enhance property value and natural light.
Roofline Products
Long-lasting PVC-U fascias, soffits, and guttering systems protect against weather damage while improving exterior aesthetics. Available in 11 colour options with 20-year guarantees on white finishes, these low-maintenance solutions prevent rot and discolouration, featuring ventilation slots to prolong roof lifespan.
Trade Supply
Direct supply of windows, doors, and conservatories to builders and contractors with next-day delivery. Our trade division offers competitive pricing on Status profile systems, aluminium shop fronts, and custom-sized products, supported by technical expertise and volume discounts for commercial and residential projects.
Questions
What types of windows do you offer?
We provide casement, French, sliding sash, and tilt-and-turn windows in UPVC, all A-rated for energy efficiency with multi-point locking systems.
Do your doors come with security guarantees?
Yes - our composite doors feature ERA Vectus Plus locks and 5-point security systems, backed by a 10-year manufacturing guarantee.
Can you supply trade customers?
We operate a dedicated trade division offering direct supply of windows, doors, and conservatories to builders and contractors with volume pricing.
Are your products energy efficient?
All windows and doors meet A-rating standards, with triple glazing options available to reduce heat loss and lower energy bills.
What areas do you serve?
Primarily Bradford and West Yorkshire, though we accommodate larger projects across the UK through our trade supply network.
Do you offer conservatory guarantees?
Every conservatory installation comes with a full 10-year guarantee covering materials, workmanship, and structural integrity.