Transform Your Living Space with Premium Windows, Doors, and Conservatories

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At Sterling, we understand that your home is your sanctuary, a place where you create lifelong memories and find solace. That’s why we are dedicated to providing homeowners in the North West with exceptional double glazing solutions that combine style, functionality, and energy efficiency. Whether you’re looking to replace your old windows, upgrade your doors, or add a stunning conservatory, we have the perfect solution for you.

Contact us today to schedule a consultation with our friendly team. Let us help you create a home that reflects your unique style while providing comfort, reduced energy bills, and lasting beauty.

white flush sash windows



At Sterling, we offer a wide range of window options, including traditional casement, modern flush sash, and versatile tilt-and-turn products, in a selection of styles and colour options. Our range of windows can be fabricated from either PVCu or aluminium.

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green residor composite door



Our range of doors covers everything from sliding patio doors, French doors, bi-folds, and entrance doors, available in modern PVCu or sleek, thermally-broken aluminium profiles. We also manufacture a wide range of composite front and back doors.

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brown edwardian tiled roof conservatory



Available to suit all common conservatory styles including Edwardian, Victorian and Lean-To types, our modern Equinox tiled roof systems and SkyPod roof lanterns provide a stylish and highly energy efficient upgrade for any conservatory.

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white integral blinds on black windows

Integral Blinds

Integral Blinds

Explore our range of high-quality Integral Blinds that are perfectly integrated into the double glazing units, offering a stylish and low-maintenance alternative to traditional blinds. Enjoy enhanced privacy, reduced glare, and effortless operation.

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white rooflights



Designed to maximize natural light, our Rooflights offer a stylish and functional solution to enhance any room. Experience the beauty of a bright, airy atmosphere with our high-quality aluminium rooflights

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blue distinction composite door

Composite Doors

Composite Doors

Offer your customers the latest range of stylish and secure composite doors. With a huge selection of traditional and modern styles, plus stable door and French door variants, our range of secure, thermally efficient composite doors is sure to impress.

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Visit Our Factory

As a leading fabricator of double glazing products, we don’t have a traditional showroom with just one or two products on display – we have an entire factory full of them! In fact, we have three factories.

We invite potential customers to come and see our products for themselves and ask any questions they might have. Witnessing the production process will give you invaluable insight into why windows and doors from Sterling deliver the very best in quality, energy efficiency, durability, and style.

To book a visit, contact us today.

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Fantastic. Had sterling out to replace all the windows on the house. Quality and price absolutely brilliant so had them back a few months later to replace our failed conservatory....

Ian Monaghan

27 August 2020


Would not go anywhere else for my windows and doors

From the initial visit I can not fault Sterling. Brooke who was very friendly quoted the best price by far and was patient and knowledgeable when choosing colours and products....

Toni Green

November 2022


Very pleased and would highly recommend!

Used this company over the years and always had great service. Brook the surveyor gave lots of advice then the fitters were faultless ,no mess,nestvand tidy and polite ( Dave...

Pauline Foster

February 2023


Best price in town

We've had all of windows recently replaced in Agate grey. New front door too. Brilliant service from Brook and the team. Fitters have done a 5 star job and cleaned...

Gaynor Tyndall

June 2023


Great service & price

Fitted new windows and a front door for us. Fitters were excellent, turned up on time, very clean, polite and helpful. Very pleased with the quality and price of the...


11 April 2023


Great price

Great price for good quality windows and doors. I had a couple of issues early on with one door being slightly misaligned in the frame and incorrect locks being fitted,...


27 March 2022


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grey aluminium bifold door

Expert Installation Services

At Sterling, we take pride in not only providing high-quality double glazing products but also offering professional installation services for homeowners in Warrington and the surrounding areas. Our teams of skilled installers are committed to ensuring a seamless and hassle-free experience, from start to finish. When you choose our expert installation services, you can expect:

  • Precise Measurements: Our experienced team will take accurate measurements of your windows, doors, or conservatories to ensure a perfect fit and optimal performance.
  • Efficient Installation: We work efficiently to minimise disruption to your home and complete the installation process with utmost care and attention to detail.
  • Superior Craftsmanship: Our installers are highly trained and equipped with the right tools to deliver a superior finish and a look that enhances the aesthetics of your home.
  • Comprehensive Clean up: We leave your property spotless after the installation, ensuring that you can enjoy your new double glazing without any mess left behind.

With our expert installation services, you can rest assured that your investment in our top-quality double glazing will be professionally handled and deliver the performance and beauty you desire for your home.

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Supply-Only Service for Homeowners

If you prefer a more hands-on approach and have the expertise to handle the installation yourself, our supply-only service is the perfect choice for you. Sterling offers a comprehensive range of double glazing products for homeowners to purchase directly and install at their convenience. With our supply-only service, you benefit from:

  • Extensive Product Range: Choose from a wide selection of windows and doors to find the perfect match for your home’s style and needs.
  • Expert Advice: Our knowledgeable team is available to provide guidance and advice on selecting the right products for your DIY project.
  • Quality Assurance: All our products are crafted with premium materials and undergo rigorous quality checks to ensure they meet the highest standards.
  • Convenient Delivery: Your chosen double glazing products will be delivered safely and promptly to your doorstep, ready for you to install.

Experience the satisfaction of being in control of your double glazing project with our supply-only service, knowing you have chosen top-quality products from a trusted and reliable supplier.

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full house of upvc casement windows
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Areas we serve

At Sterling, we have eight installation teams proudly serving homeowners in the North West of England. We are well positioned from our base in Warrington to serve homeowners living in Liverpool, Manchester, Wigan, Bolton, Saint Helens, Macclesfield, Chester and surrounding areas. If you’re a homeowner living in the North West, get in touch to see how Sterling can help with your next home improvement project.

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Get A Free Quote Today

If you’re looking for a reliable windows and doors supplier, you’ve come to the right place. At Sterling, we understand the unique needs of trade buyers like you. Our sales representatives are knowledgeable, friendly, and always ready to assist you.

We understand that time is of the essence, so we’ve made it easy for you to get started. Simply request a quote today, and our team will promptly get in touch with you to discuss your requirements and provide you with a competitive price.

Contact us today for a free quote.


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