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Metwin are a leading distributor, manufacturer and installer of steel windows, doors and light steel fabrications in the UK, and a proud Crittall Specialist Partner approved to supply and install Crittall windows in the UK.

Alongside the supply and fit of new windows, doors and interior screens, we specialise in the refurbishment of steel windows in listed buildings, properties that feature highly exacting architectural features, and commercial or private structures in conservation areas. To view our full range of services, click here.

Recent Projects

Walsingham House

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Shriva Hotel, Lincoln Plaza

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Gate Houses Tower Bridge

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Four Seasons

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Private Residence

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Knowledge Base

Leaded Lights

Leaded lights are popular in very old properties and comprise of small panes of glass held together by lead canes. Today we can closely match the look and feel of traditional leaded lights using a double glazed version for improved...

Art Deco

Horizontal bar windows are synonymous with the Art Deco movement of the 1920s and 30s. Crittall’s double glazed heritage bar steel window system accurately mimic the typical Art Deco design but with added modern features. The most basic Art Deco...

Full Pane

Full or large pane frames are more modern in style and are commonly found in post WWII properties. For these properties, Crittall’s Homelight range provides maximum daylight due to their small profile design but are also extremely hardwearing.

Georgian Style

Georgian small pane windows are typical of the English cottage style. Again, we personalise Crittall’s double glazed heritage bar steel window system to match the look of the traditional design.

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Metwin and Crittall

We also have a very strong relationship with the iconic steel window, door and interior screen manufacturer, Crittall, for whom we are an approved Crittall Specialist Partner, distributor, parts supplier and installer.

For more than 170 years, Crittall has stood as the global paradigm for steel windows and doors. You will find their designs around the world, particularly in buildings and private homes that hold a profound historic or architectural interest – although their distinguishing appearance makes a strong statement within the most modern buildings.

Their distinct flare for ironmongery is unrivalled and achieves the same high standard to which Metwin has held itself since 1956. As a Crittall Specialist Partner, we are able to supply and install Crittall windows in the UK for homes and commercial properties. If you are considering Crittall replacement windows, then simply email us an image and we will be able to give you a cost estimate.

Start your journey today with Metwin and Crittall Windows UK

Window Restoration

In addition to our role as an approved Crittall Specialist Partner, we also hold a great deal of expertise in window restoration for commercial and private buildings.

While our experience in metal window refurbishment is extensive, our strengths lie in working to restore listed properties, and those that demand particular care be shown to distinct architectural features, such as our work on the Comet Hotel in Hatfield.  We offer like for like bespoke Crittall window replacement.

Over the years, we have honed our sensitivity to preserving the innate character of a building and achieving a refurbishment that supports the original structure without encroaching on it. At the same time, we are committed to ensuring that the windows are able to do their job, and that they are prepared to withstand many more years of use.

Fully Accredited

We are dedicated to working in accordance with government regulations for building and contractor safety, including UK Building Regulations, FENSA, and CHAS. In addition to this, we are also fully accredited by a wide range of trusted sources such as HIP and Constructionline.

Get in Touch

Metwin take pride in every project it undertakes and works diligently to ensure that our exceedingly high standards are consistently upheld in each and every building that we take on.

Whether you are looking to restore original steel windows in your home or are looking for guidance in securing a Crittall replacement for your site’s existing windows from the leading steel window manufacturer, simply get in touch with our team today for advice, or a no obligation quote.


Download – Crittall Innervision Brochure

Ingeniously designed and professionally installed, Innervision has been created through innovative thinking and centuries of heritage craftsmanship.

Iconic, minimalist profiles set Innervision interior screens and doors apart.  Designed for maximum levels of internal light, custom-made or modular fixed screens and doors offer endless design possibilities. Be inspired.

Innervision Brochure