Windows, Doors, Conservatories, Orangeries, Bi Folds, Patio Sliders | Diamond Glass & Windows of Crawley
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01293 522533

Windows, Doors, Conservatories, Orangeries and Commercial Solutions Crawley, Sussex

Diamond Glass & Windows of Crawley are leading Double and Triple Glazing specialists, providing high quality Windows, Doors, Conservatories, Shopfronts and Commercial Solutions throughout Crawley, Sussex and the surrounding areas

Your One-Stop-Shop For UPVC, Timber and Aluminium Windows, Doors

With vast range of UPVC, Timber and Aluminium products to choose from, Diamond Glass & Windows will have a window and door product for any situation. With a team of in-house highly skilled, professional fitters, coupled with an experienced friendly aftercare sales team, you can see why so many happy customers have used and recommended Diamond Glass & Windows to their families and friends, when they are looking for new or replacement windows and doors. View our range of products, drop us an email or call us on 01293 522533 today to discuss your requirements.

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Rockdoor Composite Doors

The Rockdoor range of composite doors are available in wide range of styles and colours.

With superior strength thanks to a combination aluminium and high-density thermally efficient PU foam, no matter what door style you are looking for, there will be a Rockdoor composite door available to compliment the look and style of your home.

Choose from fixed glazed screens to single, double and sliding doors options in a wide range of colours and finishes.

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Double or Triple Glazing?

With their ability to retain heat, both double and triple-glazed windows offer great thermal efficiency. But how do you decide which glazed option is right for you?

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Door Locking Types

There are various types of locking systems from Lever Handles, Split Spindles, to Slam Shut Locks, and when looking for a new door it's also important to consider how you want your door lock to function.

Different lock types

Alitherm Heritage Range of Windows and Doors

Aluminium Windows and Doors Designed to meet strict planning standards often associated with heritage buildings

The Smarts Alitherm Heritage Range of Windows and Doors provide an aluminium option for older heritage buildings where strict planning restrictions would rule out the use of typical aluminium systems.

Alitherm heritage replacement windows

Residence Collection Virtual Showroom

Explore the luxurious Residence Collection from the comfort of your home with Shaws

Screenshot of the Residence Virtual Showroom

Inotherm Aluminium Entrance Doors

One of the most advanced aluminium entrance doors on the market, experience the next generation of doors with Inotherm

Looking for the Door of your Dreams?

Design Your Own Dream Door right down to the last feature with one of our Online Door Designers.


Inotherm’s extensive range comprises of more than 400 entrance door models customizable to your liking.

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High quality traditional, contempory, smooth finish to Modo designer composite doors

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The UK's finest range of solid timber-core composite doors with unrivalled security and colour options

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Palladio Doors start their life as a real oak timber and are then transformed into Modern Composite Doors

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Introducing Apeer our latest range of Composite Doors

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A stunning a collection of front and back Composite Doors available in a range of traditional, contemporary and smooth finishes.


Apeer traditional style door range

Traditional style composite doors with a variety of traditional features and glass elements.


Apeer contemporary style door range

Contemporary style composite doors with a variety of contemporary features and glass elements.


Apeer silka style door range3

Smooth skin with options for unique all glass trim making a truly modern looking door.


Apeer modo style door range

With stainless steel glazing trims that really deliver elegant modern aesthetics.

Read more about this stunning collection of Composite Doors, view upgrades and use our Apeer Door Designer to design your own dream Door

NEW Antibacterial "Anti-Viral" Handle

Laboratory tested to help prevent the spread of viruses

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Shaws Virtual Showroom

Bringing Windows and Doors to you - Watch our video below

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Diamond Glass & Windows SUMMER SALE

View Our latest deals on Windows, Bi-Folds, Single, Double and Composite Doors

View all deals

Picture of Diamond Glass & Windows of Bright macmillan cancer cake winners


We were invited to attend a Coffee Morning in aid of the cause by Amplicon with 5 other companies on the Centenary Industrial Estate and won first prize in the baking competition!

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A high end ‘Alternative to Timber’ window and door range with remarkable resemblance to timber



All our Windows are high performance, low maintenance value for mone products as standard, that do not compromise appearance.


Doors from Diamond Glass & Windows are manufactured to a high specification as standard, fitted with high security locking and accommodate various hardware & upgrades.


We provide thermally efficient, low maintenance and visually stunning Conservatories that will renovate your home in an instant.


Our range Bifolding doors create vast openings in an instant. Smooth sliding operating and low maintenance solutions in Aluminium and UPVC.


Composite doors offer a superb balance between fantastic security for your home and an attractive, beautiful finish which is impossible to surpass


Combining durability, attractive appearance and high security – our Commercial range are manufactured from state of the art materials to high standards.


Our Roof Systems are innovative, low maintenance and thermally efficient products that will maximise the use of light in your home,


Customise any Diamond Glass & Windows product with our range of Glazing Options. From enhanced triple glazing, georgain bars to decorative glass upgrades



Excellent service and work and they clear up well after they have finished. Thoroughly recommendable.



Use our REQUEST A CALLBACK, choose a time that suits you best and a specialist will call you back to discuss your requirements


Take a look at our high performance products in more detail with our collection of PRODUCT VIDEOS.


View our PRODUCT GALLERIES to see a wide range of Windows, Doors, Conservatories, Orangeries, Roof Systems and Commercial installations