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Stunning French Casement Windows

  • High Performance Double-Action Gaskets
  • 100% Lead-Free and Environmentally Friendly
  • High Security Locking Systems By Yale
  • Thermally Efficient Multi-Chambered Profile
  • British Manufactured and Fully Recyclable
  • Up to WER A+14 Energy Ratings
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uPVC French Casement Windows, Stevenage

Open up your Stevenage home with our stunning uPVC French Casement Windows. Perfect for all kinds of homes in Stevenage, Letchworth, Baldock, Welywn Garden City, St. Albans and across Hertfordshire, our French Casement Windows are perfect for bringing space and light to your property.

We supply and fit high quality French Casement Windows throughout Hertfordshire for customers looking for a unique design to beautifully complement their home.

French Windows work beautifully with their cousin, French Doors, utilising a flying mullion function when fully open.

With over 30 years experience in the double glazing industry, you can trust us to install the ideal uPVC French Casement Windows for your Hertfordshire home.

Features & Benefits

Flying-Mullion

Flying Mullion

When fully open, one sash carries the central mullion for unrestricted view of your garden all year round.

Controlled-Ventilation

Controlled Ventilation

Open the master sash independently from the slave sash for variable ventilation - great for hot summer days!

Opening 90

90˚ Hinge Opening

Create the illusion of space with an influx of natural light, with the ability to open sashes a full 90˚.

Environmentally-Friendly

Environmentally Friendly

Go green with our 100% lead-free uPVC frames that are completely recyclable across our entire uPVC range.

Fire-Escape

Fire Escape

Ideal for narrow openings that need to be fire escapes, our French Casement Windows are Part B* Compliant.

Easy-to-Clean

Easy To Clean

Our French Windows are extremely low maintenance, with an easy-clean hinge option and durable uPVC Liniar profile.

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Eco-Friendly French Casement Windows

Choose our uPVC French Casement Windows for an incredible eco-friendly choice for your Hertfordshire home. Created using an intelligent multi-chambered uPVC profile, our French Windows will not fail in keeping your Stevenage home warm all year round.

Our uPVC double glazing is incredibly energy efficient, manufactured using 100% lead-free uPVC that is produced in the UK and is fully recyclable. Achieving up to WER A+14 Energy Ratings, you can rest assured that your uPVC windows will benefit your Hertfordshire home with exceptional thermal-efficiency benefits.

Accredited by the Energy Saving Trust, our uPVC products are guaranteed to offer impressive energy ratings to your Stevenage property. Choose Harlequin Glass today for thermally efficient double glazing in Hertfordshire.

Secure French Casement Windows

Installed with high security Yale locking systems as standard, you can rest assured that our French Casement Windows are manufactured with the safety of your family in mind.

You can’t put a price on safety, which is why we use only the very best in modern security to keep your Hertfordshire immune from potential intruders and forced-entry.

Our double glazing is internally beaded, meaning  it can’t be removed from the outside. Choose us for your double glazing in Hertfordshire today, to keep your home as safe as possible.

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French Casement Window Prices

Start your instant online quote today for competitive double glazing prices in Stevenage. Just enter your measurements and style choices and we’ll provide you with an instant online price.

If you would like to speak to an advisor for more information or to discuss prices, don’t hesitate to get in touch on 0755 730 7296 or complete our online contact form.

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