Business Details
46 Years
experience
Bespoke Secondary Glazing Experts Sheffield
Granada Secondary Glazing has been a leader in manufacturing high-quality secondary glazing solutions since 1980. Our expertise lies in producing bespoke aluminium products designed to enhance thermal efficiency, reduce noise pollution, and improve security for residential and commercial properties. With over 45 years of industry experience, we combine advanced manufacturing techniques with British craftsmanship at our state-of-the-art facility in Sheffield. Our products are engineered to complement both traditional and modern architecture, offering seamless integration with existing windows without compromising aesthetics.We maintain rigorous quality control standards, supported by a 10-year manufacturer warranty and a nationwide network of accredited installers. Our commitment to innovation is demonstrated through our RIBA-approved CPD programs and continuous product development. By prioritising customer satisfaction, we provide tailored solutions that address specific acoustic, thermal, and security challenges while preserving the character of listed and heritage buildings. This combination of technical excellence, industry leadership, and customer-centric service has established us as the UK's largest secondary glazing manufacturer.
Services
Horizontal Sliding
Vertical Sliding
Hinged Units
Lift Out
Bespoke Glazing
Details
- Year established: 1980
Highlights and features
- 45 years of specialist secondary glazing experience
- State-of-the-art manufacturing facility in Sheffield
- 10-year product warranty with installer accreditation
- Bespoke solutions for listed and modern properties
- Proven noise reduction up to 80% performance
Associations and certifications
- RIBA Approved
- CPD
What people say
Effective soundproofing
Drastically reduced noise
Improved thermal insulation
Professional installation
Preserved architectural character
Services
Vertical Sliding Units
Our vertical sliding secondary glazing units provide seamless operation with 65% thermal improvement and 80% noise reduction. Designed for sash windows, these units feature durable aluminium profiles and optional Slide Past mechanisms for easier cleaning. The slimline design maintains traditional aesthetics while delivering modern performance benefits for both residential and commercial properties.
Bespoke Glazing Solutions
Tailored secondary glazing solutions for non-standard window shapes and heritage buildings. Using precision engineering, we create made-to-measure units that achieve up to 80% noise reduction while preserving architectural integrity. Our bespoke service includes specialist options for listed properties, commercial buildings, and challenging acoustic environments across the UK.
Noise Reduction Glazing
Specialist secondary glazing systems engineered to reduce external noise by up to 80%. These units create an acoustic barrier through optimised air gaps and sealed aluminium frames, making them ideal for properties near transport hubs. The solution maintains thermal efficiency while providing superior sound insulation compared to traditional double glazing.
Thermal Efficiency Glazing
Secondary glazing solutions that improve thermal insulation by 65% through advanced aluminium profiles and sealed air gaps. These units reduce heat loss, lower energy bills, and enhance comfort while maintaining the appearance of original windows. Ideal for older properties seeking modern energy efficiency without structural changes.
Commercial Secondary Glazing
Comprehensive secondary glazing systems for commercial projects, including RIBA-approved specifications and CPD training. Our solutions address acoustic challenges in hotels, offices, and listed buildings while maintaining safety standards. The Granada Accredited Network provides professional installation support and technical assistance for architects and contractors nationwide.
Questions
What are the main benefits of secondary glazing?
Secondary glazing reduces noise by up to 80%, improves thermal insulation by 65%, enhances security, and preserves existing windows without requiring replacement.
Can secondary glazing be installed on listed buildings?
Yes, our secondary glazing is specifically designed for heritage properties, providing modern performance benefits without altering original windows or requiring planning permission.
How does secondary glazing compare to double glazing?
Secondary glazing offers superior noise reduction (up to 54dB vs 40dB for double glazing) with slimmer profiles, lower costs, and no need to replace existing windows.
What installation options are available?
We recommend installation by our accredited network, but DIY kits are available. Professional installation ensures optimal performance and warranty coverage.
What warranty is provided with Granada products?
All products include a 10-year manufacturer warranty, with additional installer warranties available through our accredited partner network.
Can secondary glazing be customised to match existing decor?
Our secondary glazing offers over 200 RAL colour options and bespoke shapes to ensure seamless integration with any architectural style.
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