Christmas opening hours | 22 - 23 Dec: Open 10am - 4pm | 24 - 26 Dec: Closed | 27 - 30 Dec: Open 10am - 4pm | 31 Dec - 1 Jan: Closed | 2 Jan: Open as usual from 9am

Who we are

Global Windows is a family run double glazing company. We are based in Sheffield, South Yorkshire, and work across the local area. We will also work further afield if required. We have been trading for over 20 years and have an excellent reputation for quality products and highly skilled installation teams.

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Manufacturing and Installation for Sheffield homes and beyond

At Global Windows, we manufacture all our products at our state of the art factory. This enables us to oversee quality and efficiency at every step of the process. Through consistent excellence in manufacturing we can guarantee that every installation is a successful one. Our workforce are Sheffield born and bred. We know the area like the back of our hands and can help you to find the best solution for your property upgrade. From Heeley to Hillsborough and Endcliffe to Beauchief, we can help you with all your home improvement plans.

Watch our professional installation team install new windows and a composite door at this Yorkshire home. First, a site survey is conducted, where accurate measurements are taken. Next, all preparations are completed, including removal of the old windows and door. Finally, the new windows and door are installed, providing the property with a modern and high quality appearance.

High quality home improvements

When you choose Global Windows, you choose the best. We use only the best quality profile systems to manufacture all our double glazing products.

Installation expertise

All our installers have a wealth of industry experience and all the required qualifications. They have worked on a wide range of installation projects gaining the knowledge to make every installation a complete success.

Dedicated team

Our team of fabricators, builders, fitters, and administrators work tirelessly to provide an outstanding service to our customers.

Superb energy efficiency

For the best in energy efficiency, all our products are A Window Energy Rated. With a window upgrade from Global, you’ll soon be enjoying a warmer, more efficient home.

A simple process from start to finish

At Global Windows, we strive to make every installation as stress free as possible. From the initial enquiry to the completed installation, we want our customers to relax, knowing that their home is in the safest hands.

Once a quote has been approved, a surveyor will visit your home to take measurements for the products. While the products are being manufactured, we arrange a convenient time for the installation to take place. No payment is expected until the installation is complete.

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Why Choose Global?

When you want to improve your home, Global Windows are the company to call. Possibly the best way to build a company’s reputation is through positive customer reviews and recommendations. In an independent survey by the CPA, 98% of our customers rated us as an excellent company. We also have numerous positive customer testimonials and are accredited by respected third party industry bodies. We are the only company in the local area to be both a Which? approved trader and to be registered with Check a Trade.

At Global Windows, we manufacture all our products at our high-tech factory. This enables us to ensure that quality is consistent across our entire product range. All our installers are highly qualified and have a wealth of industry experience. We directly employ all our staff and never sub-contract work, so in the unlikely event that you experience a problem, we will take full responsibility. We provide a 10-year guarantee on all our products and a 10-year insurance backed guarantee through the CPA. This helps to give you, the customer, peace of mind that your investment is protected.

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Which? Trusted Trader

Average rating of 4.9/5


Average rating of 9.77

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*on installations booked in for Jan-March

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