A corner of a room with large bay windows showing a lush green outdoor scene, a green wall, a radiator beneath the windows, and part of a couch in the foreground.
A corner of a room with large bay windows showing a lush green outdoor scene, a green wall, a radiator beneath the windows, and part of a couch in the foreground.

Bespoke Windows, Made to measure.

Designed and installed with care and expertise.

Transform your home with made-to-measure windows precision-crafted to suit your property’s unique architecture. From traditional sliding sash windows and flush casements for period homes to classic bay and bow windows, heritage steel-look frames, and modern tilt & turn systems, every frame is custom-made to your exact dimensions. Whether you are restoring a listed building or designing a contemporary extension with oversized fixed feature glazing or custom arched and gable-end shapes, our bespoke timber, aluminium, and alu-clad windows deliver authentic style, advanced security, and outstanding thermal performance for the British climate.

Give our team a call to discuss your door design

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A house with a white exterior wall and a white bay window with sliding glass panels, a dark roof with moss, and a gutter system. There are bushes and plants outside, and a street visible through the windows.

Why Choose Glasstec for Your Bespoke Windows?

We don’t believe in one-size-fits-all solutions. Our team works with you to design a structural secure bespoke window suites tailored precisely to your property’s dimensions, style, and color scheme. Premium engineering ensure your windows last for years to come. With the latest security technology ensuring your home or property is safe and sound. Checkatrade and accredited and and FENSA approved.

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
A white bay window on a brick house exterior, with a potted orchid inside visible through the glass.
The image shows the exterior of a house under construction or renovation, with a focus on a large windowed dormer on the roof. The dormer has white framing and three windows, two large and one small. The roof has brown tiles, and the sky above is par
Curved bay window with white frame in a room, overlooking a street with cars and houses outside.
Close-up of a house with a white textured exterior, featuring a bay window with white framing and a curtain inside. Part of a black tiled roof is visible at the top. A rectangular house number plaque reading '3 Romsey Road' is mounted on the wall. Th
Large house with turret-style towers, white exterior walls, and a brown roof, surrounded by a green lawn and gravel pathway.
Brick house with a glass sliding door and a balcony on the second floor with metal railings.
Bright living room with large windows looking out onto a green yard and trees, with a radiator and a corner of a sofa visible.
Modern house with large glass doors and windows, brick stairs and patio, potted plants, and a bright blue sky with clouds.
A patio area with large sliding glass doors leading into a brick house, with a view of a garden and a swimming pool in the background, surrounded by trees.
Exterior of a house with a white wall, three windows, a black rain gutter, and a small black-roofed dormer window on a sloped roof with red shingles.

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.