Welcome to GM Windows

Welcome to GM Windows we are manufacturers and installers of a superb range of top quality and high security pvcu windows, doors and conservatories. A family run company based in Bradford, West Yorkshire; that cares about every aspect of its business.

From start to finish you are a valued customer that can rest assured every window, door and conservatory is fitted to the highest standard with attention to detail at the top of our priorities. The service we provide is backed up by our customer service department, operated by a dedicated team, trained to react immediately to questions or queries.

Our company moto is clear—the customer comes first and everybody else second.

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View our Windows

Learn moreGM Windows traditional white UPVC frames to coloured or a natural woodgrain effect, with leaded, plain or decorative glass; GM Windows double glazed windows are available in a wide variety of colours, styles and designs – the choice is yours.

View our Doors

Learn moreGM Windows market leading UPVC and composite double glazed doors that can really enhance the look of your home. Whatever your style, from Composite Doors, Glazed, Panelled Doors and Stable Doors to Patio, French to Bi-Fold Doors.

View our Conservatories

Learn moreGM Windows conservatory options come with a full 10-year guarantee as standard so you can rest assured that not only is your new GM Windows conservatory a stylish, energy efficient and secure addition to your home, it is also built to last. 

View our Triple Glazing

Learn moreFor The Ultimate in Energy Performance GM Windows range of triple glazing is available in a wide range of styles, glazing options and colour finishes, all designed to give you not just the ultimate in energy performance but also style and individuality.

energy-miniA Rated Windows

Improve the Energy efficiency Of your home.

Installing GM Windows double glazing will help you improve energy efficiency and save you on heating bills.

Secured-by-Design_0Security Doors

High Quality waffle fitted Robust Doors.

Our Composite door are made from top quality materials with Style and Sercurity in mind.

buydirectBuy Direct

We Manufacture all Our products in house.

Unlike other companies we manufacture all our products so we cut the middleman and you save direct.

join-miniTrade Direct

Are you Architect, Builder, or Joiner?

For over a decade we have been supplying to the trade, contact us today and see how, we can help you.


10-year-guaranteeStress Free guarentee



Eco Living

energySave Money & go green

Peace of mind

house-padlockSecurity Hardware


handshake1Backed guarentee

Quality Materials


Replacement Windows

UPVC double glazed windows by GM windows effortlessly enhance the look, value and comfort of your home. Our UPVC Windows are A-rated as standard, creating a product that is as energy efficient as possible, making it the perfect choice for your home. By using the latest technology and hardware GM windows double glazing is strong and durable and it will give you many years of comfort. By installing our advanced double glazed windows, you are looking at an engineered product that is prepared for any extreme weather the UK offers.

Our energy efficient windows will increase your comfort whilst having peace of mind. GM windows Unique energy saving windows will save you money on your bills, you will also naturally use less energy, and will be reducing your carbon footprint. All our replacement windows have a Planitherm total plus, K glass. And all GM windows, casement windows are produced to an A-rated standard, we also offer triple glazing windows.

Replacement Doors

Here at GM Windows we offer one of the best Composite doors on the market (a Solidor) compostie door. We take pride in our manufacturing, using the latest, highest quality hardware, to make it the securest door possible. Solidor Composite doors by GM Windows have up to date looks, are thermally efficient, are made of 100% solid wood and have a 5 point, high security locking system. Whether you’re looking for a front door or a back door the GM Windows composite doors are the way to go. We also offer traditional UPVC doors, with many styles and designs; incorporated with ERA Vectus plus lock and handle, our doors are durable and safe, making it an ideal external door. We don’t stop there we also offer top of the line UPVC French doors, UPVC Patio doors manufactured with security and durability in mind.

We at GM Windows also supply trade windows & doors direct.

GM Windows are one of Bradford, West Yorkshire’s largest window manufacturer. We supply Trade windows and trade doors direct. We have a great reputation of supply only UPVC Windows, doors, conservatories. Patio doors, French doors, and aluminium shop fronts. We offer 5 star services to builders, roofers, retail window installers, contractors and specifiers. We offer top of the line products, backed with a guarantee and delivery on time every time. We have the most competitive prices in the industry. Become a trade customer of GM Windows today.