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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Installation for Sheffield homes and beyond

Through consistent excellence in design, installation, and aftercare, we can guarantee that every installation is a successful one. Our workforce is 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.

High quality home improvements

When you choose Global Windows, you choose the best. We use only the best quality double glazing products to transform your home and your lifestyle.

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. We then arrange a convenient time for the installation to take place. No payment is expected until the installation is complete.

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An experienced team of professional home improvement installers

From our sales team to our fitters, everything at Global Windows is done with the utmost of respect towards our customers. We always give our all to ensure that you're not left high and dry. Whatever it is you need, we'll do our best to make sure your expectations are not only met, but exceeded.!

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Fitting team
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A trusted company with plenty of accreditations

Over the course of our many years in business, we've earned accreditations from a variety of industry professionals, such as CheckaTrade, the CPA, and many, many more. This allows you to know that these companies hold us in high regard and see us as reputable on everything from security to customer relations.

Why choose us?

Providing a high-quality and stress-free service for our customers

We've received a lot of feedback from various customers over the years, with a staggeringly positive reception to the work we've carried out. Boasting a rating of 4.9/5 on TrustedTraders and a 9.8/10 on CheckaTrade, there's no doubt that you can trust us to help improve your home.

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5-star rating

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, all our installers are highly qualified and have a wealth of industry experience. 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 9.64