- Smart Upgrades Seamless replacements delivered safely and efficiently.
- Enhanced Efficiency Modern glazing that improves comfort, control & sustainability.
- Bespoke Design Tailored solutions aligned with your building’s requirements.
- Certified & Compliance Fully accredited installations built for durability & peace of mind.
We know most commercial buildings need to stay open while work is underway. That’s why before any replacement begins, our team reviews how the site operates, including access for staff and how deliveries can be handled without getting in the way. We also help with safe working areas if needed.
Replacing Commercial Glazing Without Disruption
Old glass and framing are removed in stages using the right lifting gear and safety controls and new units go straight in, keeping the building secure and weather-tight from start to finish.
We will stay in touch with site managers throughout the job to plan around busy periods and adjust our schedule to suit how the building is used, getting the work done safely while life on site carries on as normal.
Experience Across Every Sector
With years of experience in education, healthcare, hospitality, aviation, and high-rise developments, MGC Glazing brings sector-specific expertise to every project.
Whether fitting large-scale curtain walling for an airport terminal or installing safety glazing in hospitals and schools, our knowledge of building regulations and on-site requirements ensures every installation runs safely, smoothly, and on schedule.
We’re not just contractors — we’re partners who understand your sector’s priorities.
Discuss Your Project Today
Reach out to our expert team for a consultation and discover how MGC Glazing can efficiently replace your commercial windows.
Each site has different conditions, so commercial glazing replacements are developed to work with what’s already there.
Bespoke Design for Each Building
We work directly with architects and site teams to check how the existing frame is built, where the fixing points sit and whether access or clearance could affect installation.
Our work includes:
Certified Quality and Compliance
Every commercial window replacement meets current BS EN and Building Regulation requirements for safety, energy efficiency, weather resistance and long-term structural performance.
All work is carried out by experienced, qualified engineers who always follow strict health and safety procedures, including risk assessments and method statements for every site.
Each system is verified for performance, giving assurance that it’s compliant and durable for long-term use.
Why Choose MGC Glazing
Specialising in commercial window replacements and trusted nationwide by across multiple sectors
✔ Accredited, insured commercial specialists.
✔ FENSA-registered and compliant.
✔ Trained teams for specialist installs.
✔ Site planning to ensure safety and access.
✔ End-to-end project management.
✔ Systems tested to BS EN standards.
✔ Energy-efficient, low-maintenance systems.
✔ Trusted by major companies in various sectors.
FAQS
When should I replace commercial glazing?
If your glass is misting, leaking, cracking or just struggling to hold heat, it’s time to look at replacement. Our glaziers in London can survey the building and confirm whether full or partial replacement is the most cost-effective route.
What are the main benefits of upgrading?
Modern glazing provides better insulation and comfort, but it also enhances safety, noise control and the overall look of the building. One of the main advantages is that it can help lower energy bills and bring older properties up to current standards.
Can replacement work be done while the building stays open?
Yes. We plan the job so that areas remain completely safe and usable while we work. Larger projects are often carried out in sections, with access and timing agreed around how the building is used day to day.
Do you work on listed or older buildings?
We do. Our expert glaziers can replace glazing in listed and heritage properties using systems that match the original appearance while meeting today’s performance and safety standards.
What types of glass do you install?
We supply and fit a full range of commercial glass, including Edu-Glass, Aero-Glass and City-Glass systems. We also use laminated, fire-rated, acoustically and solar-controlled glass, depending on the building’s needs.
Will new glazing improve energy efficiency?
The latest glass units are much better at controlling heat transfer. They help buildings stay at a steady temperature and reduce heating and cooling costs.
Do you manage the whole replacement process?
We handle everything from the survey and removal of old units to installation, testing and sign-off. You’ll have one point of contact from start to finish.
Can you replace curtain walling and large façades?
We regularly remove and replace complete façade sections using our City-Glass and Aero-Glass systems. The new units are tested, certified and perform in demanding environments.
