Glazing Installations
London and the Surrounding Areas

Enhance your project with our stunning range of windows, doors, curtain walling and shop front products.

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About Us

To accommodate all manner of commercial & residential projects and personal tastes, we offer a wide selection of windows, doors, secondary glazing, curtain walling & shopfronts.

Modern Products

Enhance comfort, security, and aesthetics with our range of products. Our systems excel in thermal efficiency, security, durability, and overall performance.

Excellent Service

We pride ourselves on offering a degree of customer service that revolves around professionalism, reliability, efficiency, and complete individual attention to your project.

Competitive Prices

We are aware price can be a major factor for projects & can propose cost saving solutions at planning stages or further. Our prices are always competitive and fair.

About Mega Glaze London Double Glazing
Mega Glaze Windows in London

Commercial Experts

Mega Glaze are industry leading experts in the glazing sector. We are specialists at choosing the right double glazing to meet any specific building requirements. Our comprehensive commercial services include liaising with building control, specifiers and architects at project inception. This ensures the window, door and curtain walling requirements specified are economical and viable for project.

We use specialist software and work closely with reputable suppliers in the industry which enables us to determine the most cost effective way to complete any project or architectural design, further helping to relieve developers and contractors of many of the usual obstacles that can arise when working on a commercial build.


Choose from a stunning range of products, with enough variety for you to find something perfect for you.

uPVC Windows & Doors London

uPVC Windows & Doors

As the instantly recognisable collection, our range of uPVC windows and doors serve to offer you an updated solution to a timeless, highly popular style.

Timber Windows & Doors London

Timber Windows & Doors

Loved for generations, the traditional approach to our timber windows and doors allows you to capture the best of heritage appeal: updated to modern standards.

Aluminium Windows & Doors London

Aluminium Windows & Doors

Slim, sleek, and stylish, our aluminium range of windows and doors is the ideal option for those looking to bring the cutting-edge to their construction project.

Secondary Glazing London

Secondary Glazing

Improve the energy efficiency and security of any building without changing the look, undergoing a complete installation process or affecting conservation rules.

Curtain Walling London

Curtain Walling & Shop Fronts

The ideal option for bringing a striking aesthetic to a building or new build project, achieving impressive performance and longevity every time.

Fire Rated Windows London

Fire Rated Windows

Fire resistant aluminium, Upvc, & timber windows providing safety and security in emergency situations. Perfect for larger, multi storey residential projects.

Why Choose Us?

Experienced Team

We have accrued a wealth of experience across our years in the industry. As a result, we can ensure we always deliver the very best service across the board - there is no reason to settle for less.

10 Year Guarantee

We offer an excellent 10 year insurance backed guarantee on all products. As a result, you can complete a development project in London with Mega Glaze, knowing your investment is protected for a decade.

Lasting Products

Our products, including windows, doors and other parts of our double-glazing range, are all designed to stand the test of time, even after constant use and exposure to the elements.



Industry Leading Partners

We source our products from highly accredited manufacturers, using premium quality materials to achieve a flawless finish. We also pride ourselves on being an accredited company, which means you can rest easy knowing your installation will be carried out to a high standard.

Contact Us

Unit 1, St Albans House, 26 St Albans Lane, London, NW11 7QE