Double Glazing Stevenage

Quality uPVC Windows & Doors in Stevenage

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uPVC Windows

View our uPVC Window Range

uPVC Windows for Stevenage Homes

uPVC Doors

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Front Doors, Exterior Doors and Composite Doors in Stevenage and Hertfordshire

uPVC Conservatories

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Stunning Double Glazed Conservatory Range in Stevenage


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uPVC Windows

uPVC Windows

We are accredited Double Glazing Network installers, fabricating high-quality uPVC windows for all kinds of Stevenage properties.

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uPVC Doors

uPVC Doors

We offer beautiful uPVC doors to capture the imagination of Stevenage homeowners, including an French doors, patios doors and front doors.

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Our stunning conservatory collection will truly make your house a home, perfect for all seasons and properties. Open up your home with our beautiful extensions.

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Contact Us

Contact Us

Give our friendly advisors a call or complete our online contact form. We're always happy to assist you with your new home improvements.

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Double Glazing in Stevenage

Precision-Engineered Double Glazing

Harlequin Glass offer beautiful double glazing to homeowners in Stevenage and surrounding areas. Each of our stunning uPVC window products are developed using the latest innovative technologies in the industry to provide beautiful aesthetics and incredible performance, such as their advanced weatherseal and unique configurations.

Our durable uPVC doors are enhanced by high-security hardware such as handles, locks, and hinges. We offer versatile designs with a selection of doors such as stable doors, bi-fold doors and composite doors.

Stable doors are fitted with double drip bars preventing water ingress.These doors offer unique functionality to open each door sash independently. These are fantastic doors for ventilating your home securely.

All our doors offer a low threshold design to cater for wheelchair accessibility. These innovative door designs are uniquely built to your requirements, which are just one way our double glazing is incredible.

We offer innovative uPVC tilt and turn windows, which offer intelligently designed functionality. These are manufactured to be incredibly flexible and practical and offer beautiful aesthetics.

We offer uPVC French doors and French windows to provide European charm and character to your Stevenage home, beautiful unencumbered views and smooth performance thanks to its clever design.

Our French doors come with the latest Secured by Design hardware. They offer hinges of enhanced strength, optional door restrictors, and advanced shootbolt locks from Yale for maximum security performance.Double Glazing Stevenage

High-Performance Double Glazing

Our uPVC double glazing is manufactured using an impeccable quality uPVC profile, which offers a thermally-broken multi-chambered design, that allows double glazing to achieve fantastic results. Your products from Harlequin Glass will provide excellent thermal-efficiency and inherent strength.

Our aluminium double glazing is another fantastic high-performance option for your double glazing in Stevenage, which is adaptable to heritage properties despite the contemporary design. This is due to their sleek, lightweight profile that blends seamlessly with any architecture.

Our aluminium bi-fold doors perfectly demonstrate this advanced profile. With amazing expanded glazed areas, your home will receive an increased amount of natural light, garnishing your property with an improved living area and creating the feeling of spaciousness.

Bi-fold doors are a great way to open up your space. Whether your are looking for replacement double glazing or building your own space, your new state-of-the-art doors shall enhance space like never before. Uniting the interior and exterior of your home to transform your living environment.

Another impressive feature of double glazed bi-fold doors is they functionality, which is making them highly sought after in Stevenage. These sliding doors are high-performance and stunningly beautiful. Their modern design allows them to glide smoothly on steel rollers with effortless operation.

They are incredibly versatile doors as you can choose to have a configuration that is compatible with any area in the home. Our French doors are another fantastic option to work anywhere in the home. uPVC and aluminium double glazing is the perfect versatile options with a wealth of benefits, whereas traditional timber simply cannot compete.

Double Glazing Prices Stevenage


Our aluminium doors are highly thermally efficient, utilising the impressive profile of Polyframe to provide strong performance.

Our Endurance doors are incredibly weatherproof unlike their timber counterparts, therefore you’ll benefit from high thermal-efficiency at your Stevenage household.

Our uPVC double glazing is innately thermally-efficient and weatherproof, and benefit from the latest uPVC innovations such as high-quality gaskets to offer great performance.

You’re home will reduce its carbon footprint, as while your home retains heat better, you turn down your central heating system make savings on your energy bills.uPVC Double Glazing Hitchin

Double Glazing Prices Stevenage

Harlequin Glass offers an innovative online quoting engine service to its customers, allowing you to tailor your double glazing quote to match your personality and budget.

You can contact us by visiting our online contact page and completing the short form provided. One of our friendly, trained staff members shall contact you in the due course.

View our Double Glazing Brochure

View our Composite Door Brochure

Double Glazing in 3 Steps

At Harlequin Glass Ltd our install working process is always kept very simple.
We consistently provide a high quality service, with exceptional products to match.

Start Your Quote

Get competitive double glazing prices in Hertfordshire using our online quoting engine. Start your online quote today.

Talk To The Experts

Speak to our friendly advisors - we can discuss your specifications to find the perfect double glazing for you.

Install & Enjoy

Our team ensures there's very little upheaval to your daily life. Enjoy a hassle-free installation from Harlequin Glass Ltd.



Online Double Glazing Prices

Start your online quote today for competitive double glazing prices in Hertfordshire!