Design Your Own

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Which? Trusted Trader Checkatrade

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Replacement Windows for your home

  • All our windows are A-rated for energy efficiency
  • New windows mean you'll benefit from a warmer, more comfortable home
  • Save money whilst lowering your carbon footprint
  • Fitted with multi-point locking systems for excellent levels of safety & security
Get a quote Design Your Own
chartwell green casement windows

Our casement windows are a cost-effective way to improve your home’s energy efficiency, security, and aesthetic appeal. The most popular window choice for UK homeowners; casement windows are the window of choice for a wide variety of home improvement projects.

Casement Windows

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sash windows

Sash windows are synonymous with period architecture and traditional properties. At Global Windows, our uPVC sash windows will complement your home’s style and help to maintain its character without compromise.

Sash Windows

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Tilt and turn windows

Tilt & turn windows are a practical and innovative window design for the modern homeowner. Their dual opening system allows easy access to the outside of the window pane for cleaning and the wide opening arc provides excellent levels of ventilation.

Tilt & Turn Windows

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Anthracite grey bow window

Bay & bow windows are perfectly suited to all types of property. They increase natural light intake and offer panoramic exterior views from the inside of your home.

Bay & Bow Windows

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Flush sash window

Flush sash windows are designed to replicate the look of timber. The sashes close into the frame and finish flush with the face of the window.

Flush Sash Windows

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Aluminium windows

Our aluminium windows are available in a range of different styles.  From standard casement to flush sash windows; their quality and efficiency remains first class.  Aluminium windows are a popular and versatile choice when replacing your home’s windows. 

Aluminium Windows

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flush sash windows

The Residence Collection effortlessly combines ‘must-have’ 21st-century perks alongside sought-after classic and contemporary aesthetics.

The Residence Collection

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Double and triple glazed windows

With Global Windows, you can choose either double or triple glazing for all our windows. Whichever you choose, you’ll soon feel a difference in your home.

Double & Triple Glazing

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Window colour ideas for homes in South Yorkshire

There are plenty of options when it comes to windows from Global to ensure your home will stand out and look its best! Here are some ideas for you if you're undecided with the kind of windows you want for your home.

  • Grey uPVC windows - works well with almost any kind of home, and can come in multiple shades such as Anthracite Grey

    • Why are grey windows and doors so popular?...

  • Chartwell Green uPVC windows - perfect for homeowners looking to make a bold statement
  • Black uPVC windows - a fine choice for properties with a white exterior
  • The classic white uPVC window - a popular choice for a reason, you can't go wrong with it!
  • Wood effect uPVC windows - a unique option that provides your uPVC window with a sense of tradition in making it appear like a timber window but with the benefits of modern uPVC.
Chartwell green bay window
Black Ash uPVC Flush Sash Windows

Window styles to suit your South Yorkshire home

Aside from colours, you also need to make the tough decision of deciding on a specific window style that will complement your property whilst providing the functionality you're looking for. At Global Windows, we have a wide variety of styles to choose from so here are some ideas depending on the kind of home you reside in.

  • Casement windows - works well with any kind of home; modern new builds or older, more traditional homes.
  • Sliding sash windows - synonymous with period architecture and traditional properties, sliding sash windows are perfect if you have an older home.
  • Tilt & turn windows - an ideal choice for modern properties and highrise apartments where you need easy access for cleaning the exterior of the window.
  • Bay & bow windows - suited to all types of property but were often found in 1920s and 30s homes.
  • Flush sash windows - designed to replicate the look of timber, these windows can add a classic touch to modern Sheffield properties, or further enhance the appeal of a more traditional home.

Global Windows - your local double glazing window installers

Are you looking for authentic replacement windows consumer reviews? There are a number of reasons why we're the go-to window installer in South Yorkshire, here are just a few:

  • We're trusted to do an exceptional job thanks to our esteemed reputation across review platforms - with a 4.9/5 on Which? and a 9.78/10 on Checkatrade, you can have the utmost confidence in our ability and products.
  • We have plenty of experience within many areas in South Yorkshire - we've been trading for over 20 years and cover areas like Barnsley, Sheffield, Derbyshire, Doncaster, Rotherham, and more.
  • We have plenty of accreditations from third party industries that reflects our professionalism and the quality of our products.
  • There is a 10-year guarantee on all of our products, as well as a 10-year insurance backed guarantee through the Consumer Protection Association (CPA).
    • View our customer reviews
Oak effect flush sash window
Windows in the Global showroom

The Global Windows Showroom in Sheffield

Our showroom in Sheffield showcases many of our distinct windows so you can see them in person and make a more informed decision about the windows you want to have for your property.

Located at our factory site in Handsworth not far from the M1 and M18, you'll find us ready and welcoming to show you around from 9-5 Monday to Friday and 10-4 on Saturday and Sunday.

Learn more about our window showroom

Quality windows that strengthen energy-efficient homes

The way replacement windows improve the overall look of your home is definitely worth the investment. But have you thought about the energy savings you could be making too? The difference between us and other South Yorkshire double glazing companies is that we can actually show you how effective our energy-efficient windows truly are.

Without getting too technical, the practice of infrared thermal imaging indicates warmth being lost with brighter colours (red, orange, yellow) and more heat being kept inside with darker colours (blue, purple, black). With this in mind, take a look at these before and after window installation photos to understand the significance of upgrading to A rated windows from Global Windows. As you can see, the first 3 images show that before the windows were replaced, excessive warmth and heat was leaking out. Thanks to Global Windows, this homeowner now enjoys warm winters and reduced energy bills.

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Priceless insight for your own window replacement project

5 reasons to upgrade your windows to the Residence Collection

It’s official! Global Windows declared as top window fitters in Sheffield

How does triple glazing work?

How does double glazing work?

Double glazing – Do you repair or replace?

3 reasons why double glazing will add at least 5% on to the value of your Sheffield home

9 things to find out about a double glazing firm before getting a quote

Gleadless case study; uPVC Anthracite grey dual-colour windows

Charnock case study; Classic uPVC Whitegrain tilt and turn windows

Chesterfield case study; Beautiful uPVC vertical sliding sash windows

Rotherham case study; Sophisticated Anthracite grey on white sliding sash windows

Base Green case study; Full house of replacement uPVC casement windows

Thorpe Salvin case study; Immaculate cream grained uPVC casement windows

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Testimonials

Our customers' feedback is important to us. Read our latest customer testimonials below.

11 Windows & Composite Door

"I found the team that came to mine very efficient, polite and courteous. They completed the job in 2 days, where they thought it may take 3, so I was happy they worked so quickly but still to a high standard."

- Ms Pearson, 9th January 2020

1 Window

"Everyone that has come to do work have been the cleanest and hard-working people we have ever met. I can recommend them to anyone."

- Mr & Mrs Riley, 10th January 2020

6 Windows & Composite Door

"The window fitter and colleague were extremely professional, capable and conscientious and organised the work well under extremely bad weather conditions."

- Mr & Mrs Dival, 4th November 2019

7 Windows & 2 Composite Doors

"Can't fault your company. Fantastic fitters Andy & Shaun.  Brilliant couldn't have wished for better guys to fit our Windows & Composite Doors. Great Service."

- Mr & Mrs Crampton, December 2019

Extension & Window

"You built our conservatory we knew we would get good service & quality. Reviews also left on Checkatrade & Which? will continue to recommend to anyone & everyone."

- Mr & Mrs Stepney, November 2019

Bay Window

"Thank you again for making this stressful process straightforward for us.  We felt well looked after throughout.  We liked being informed and included in decisions made.  All the people from Global have been superb."

- Mr & Mrs Ellerton, 13th November 2019

New windows and door fitted

"“Good quality windows and door fitted. Efficient service and very good value. Polite and pleasant workman”"

- Customer in Sheffield, Checkatrade Review, November 2019

15 windows replaced and 2 composite doors

"““Very professional, really good team work from enquiry to completed job. Helpful and polite”"

- Customer in Retford - September 2019, September 2019

Customer Update on Covid-19 - The wellbeing of our customers & staffs is paramount. Rest assured, we can still give you a quote via email, no direct contact needed. click on the banner for more details.