Bi-Folding Doors in Warlingham

Founded in 1997, 1st Glass Windows is a family-run business that has been supplying and installing high quality windows and doors to Warlingham locals for over 20 years.

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house with aluminium bi-folding doors

Why Choose Aluminium Bi-Fold Doors?

Bi-folding doors are a stylish and practical alternative to patio or sliding doors, with better thermal insulation and increased versatility. These energy efficient doors will provide you with a beautiful, uninterrupted view of your garden, patio or balcony, helping to add value to your property by filling your home with natural light.

Range of designs

We offer a bespoke solution for our customers every time to ensure that they are able to find their dream set of doors. You’ll be spoilt for choice with our wide range of customisable design features, including door configurations, handles, accessories and colour.


Built with Planitherm Total Low E glass, warm edge spacer bar technology and argon gas filled as standard, our bi-folding doors offer the very best in terms of thermal insulation. We even offer a triple glazed option if desired. By keeping your house warm all year round, we can help to cut down on your energy bills and reduce your carbon footprint.

Long-life guaranteed

Thanks to our 10 year fully comprehensive guarantee, you can rest assured that your bi-folding doors are designed to provide superior strength and longevity. By using aluminium and a powder coated paint finish, we ensure that your doors remain durable and will not fade or peel over time.

Try our door designer!

Why not try mocking up your dream set of doors using our Premium Bi-Folding Door Designer? Explore different designs, sizes and colour options available, then send us your design to receive a no obligation quote.

Design your door!

Design your dream door online

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