Business Details
36 Years
experience
Your Trusted Partner for Home Improvement Solutions in Sheffield
Global Windows is a family-run double-glazing company based in Sheffield, South Yorkshire, with over 30 years of experience serving local and regional clients. Established as Sheffield's number one window and door installer, we combine traditional craftsmanship with modern technology to deliver high-quality products and expert installations. Our team of skilled professionals is deeply familiar with the local area, from Heeley to Hillsborough, ensuring tailored solutions for every property. We hold accreditations from Checkatrade, Which? Trusted Traders, Certass, Trustpilot, and the Consumer Protection Association, reflecting our commitment to industry standards and customer satisfaction.Every installation is backed by a 10-year guarantee, providing peace of mind for homeowners. Our process prioritises transparency, with free no-obligation quotes and no high-pressure sales tactics. Customer feedback consistently highlights our reliability, professionalism, and attention to detail, evidenced by a 4.9/5 rating on Which? and a 9.8/10 on Checkatrade. From initial consultation to final installation, we ensure a stress-free experience, offering energy-efficient A+ rated windows, secure doors, and bespoke conservatories designed to enhance comfort and property value.
Services
Windows
Doors
Conservatories
Home Extensions
Repair Services
Details
- Year established: 1990
Highlights and features
- Over 30 years of local expertise in South Yorkshire
- 10-year insurance-backed product guarantee
- Accredited by leading industry bodies including Checkatrade
- Free no-obligation quotes with transparent pricing
- Award-winning installations with 4.9/5 customer satisfaction
Associations and certifications
- Checkatrade
- Which? Trusted Traders
- Certass
- Trustpilot
- Consumer Protection Association (CPA)
What people say
Excellent Service
Quality Product
Professional Team
Timely Completion
Knowledgeable Staff
Services
A+ Energy Windows
Our A+ rated energy-efficient windows reduce heat loss and lower energy bills while maintaining security with multi-point locking systems. Available in casement, sash, and aluminium styles, they enhance property aesthetics and thermal performance. Installed by certified professionals with 30 years' local experience.
Composite Doors
Secure composite entrance doors combine traditional appearance with modern durability. Featuring advanced locking mechanisms and thermal insulation, they improve home security and energy efficiency. Customisable in multiple colours including anthracite grey and chartwell green to suit property styles.
Bespoke Conservatories
Tailored conservatories in Edwardian, Victorian, and lean-to styles create light-filled living spaces. Constructed with thermally efficient glazing and durable frames, they provide year-round usability. Designed to complement both period and modern properties across South Yorkshire.
Home Extensions
Custom single and double-storey extensions maximise living space with seamless integration. From kitchen expansions to additional bedrooms, our designs adhere to building regulations while maintaining structural integrity and aesthetic harmony with existing architecture.
Window Repairs
Comprehensive repair solutions for damaged windows, including seal replacement and mechanism adjustments. Our rapid-response team addresses issues promptly, restoring functionality and energy efficiency without requiring full replacements in most cases.
Questions
How do I know if my windows need replacing?
Signs include increased energy bills, condensation between panes, difficulty operating windows, and visible draughts. Our surveyors provide free assessments to determine replacement needs.
What guarantees do you offer?
We provide a 10-year insurance-backed guarantee on most products and installations, covering manufacturing defects and workmanship issues.
Do you handle planning permissions?
Our team assists with planning permission applications and ensures compliance with local building regulations for all installations.
Can I view products before purchasing?
Visit our Sheffield showroom to explore full-size window, door, and conservatory displays with hands-on demonstrations available.
Are your installers certified?
All installers hold relevant industry qualifications and undergo continuous training to maintain compliance with the latest building standards.
Do you serve areas outside Sheffield?
We operate across South Yorkshire including Barnsley, Rotherham, Chesterfield, and the Peak District, with over three decades of regional experience.
