Premium Patio Doors in Hampshire

Connect Your Home and Garden with Elegant, Secure Sliding Doors

Are you looking to flood your living space with natural light and create a seamless transition to your garden? At Glasstec, we supply and install high-quality, energy-efficient patio doors across Hampshire and the South Coast.

Whether you want to maximize your view with large expanses of glass or save space with a smooth, effortless sliding mechanism, our premium patio doors offer the perfect blend of style, durability, and functionality.

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A large glass door with multiple panels, leading into a kitchen with wooden cabinets and a tiled floor, reflected in the glass are houses, trees, and a cloudy sky.
Back of a house featuring a large blue-framed glass sunroom with twin doors, a tiled roof, and a brick chimney, surrounded by landscaped garden beds with various plants.

Why Choose Glasstec for Your Patio Doors?

We don’t believe in one-size-fits-all solutions. Our team works with you to design doors tailored precisely to your property’s dimensions, style, and color scheme.

  • Premium Engineering: We are approved installers of industry-leading brands, including Smart and Origin, ensuring your doors operate smoothly for decades.

  • Slimline Aluminium Frames: Maximum glass, minimum sightlines. Aluminium provides unmatched structural strength, allowing for larger glass panels and panoramic views.

  • Acoustic & Thermal Insulation: Featuring advanced thermal break technology and high-performance double or triple glazing to keep your home warm in the winter and cool in the summer.

  • FENSA & Checkatrade Accredited: Our local, fully qualified installation teams ensure your home improvement project is completed to the absolute highest structural standards.

Uncompromised Security & Smart Tech Integration

Your peace of mind is our priority. Our patio doors are built with robust, multi-point locking systems designed to exceed standard security expectations.

Smart Home Ready: Ask our team about upgrading your doors with HomeGuard+ featuring integrated Yale SensCheck™ Intelligence. Monitor the security status of your bi-fold doors in real-time, anywhere, directly from your smartphone.

Start Your Project Today

Let’s bring your vision to life. Get in touch with our team for a free, no-obligation consultation and quotation.

Contact our team

What a difference a new door makes

Outdoor view of a house's back door with large glass panes, surrounded by red brick walls and a tiled roof. Reflection of a person taking the photo is visible in the glass.

Before

After

A set of white-framed double glass doors with a side window, leading to a backyard with trees and a fence. The doors are on a brick house with a tiled roof. Some sunlight is casting shadows on the house.
A blue front door with a window, surrounded by two small windows, with white trim, on a house with beige textured walls and a brick bottom border. There are brick window sills, and a potted bush with a blue pot on the right side.

Before

After

Exterior view of a house front door with decorative glass panels, two potted plants on either side, and warm lighting.
A brick house with a tiled roof and a chimney, featuring a row of glass doors and windows on the back wall, with potted plants on a small stone patio in front.
A white framed glass door with side windows set in a brick wall, leading outside to a porch with outdoor furniture and a view of trees and hills.
A brick house with large glass sliding doors leading to a stone patio. The house has a balcony on the upper floor. In the background, there is a backyard with trees, a pool, and outdoor furniture.
Brick house with a glass sliding door leading to an outdoor patio with outdoor furniture, greenery, and a clear blue sky.
Double glass doors with metal handles leading into a building with a brick exterior and large windows.
View of a brick house with large glass sliding doors on a patio, with wicker chairs and greenery nearby.

Our Branches

Denmead

The Old Post Office House, Denmead, Hampshire, PO7 6NN
Tel: 023 9225 1122

Clanfield

14 White Dirt Lane, Clanfield, Hampshire, PO8 0QL
Tel: 023 9259 1001

8.00am to 5.00pm Monday to Friday – Closed Saturday.