Premium windows, doors & living spaces
Premium windows, doors & living spaces
Branch opening times
8.00am to 5.00pm
Monday to Friday.
Closed Saturday.
Bespoke double glazing, architectural conservatories, and secure composite doors for homes across Hampshire and the South Coast.
Welcome to Glasstec. We believe improving your home should be an exciting, stress-free experience from start to finish. Serving Hampshire and the South Coast, our experienced team delivers everything from energy-efficient double glazing and custom entrance doors to light-filled living spaces and complete structural building services.
Because we only work with proven, high-performance brands, you can trust that every installation is built for long-term durability, warmth, and style—without the premium price tag. More importantly, we do business differently: no aggressive sales tactics, no commission-driven pitches, and no hidden costs. Just straightforward advice, exceptional British craftsmanship, and a friendly team dedicated to bringing your ideas to life.
Whether you’re planning a minor upgrade or a major transformation, we’re here to help you get it right.
What we do
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Windows
Styles & Options: Includes standard uPVC/Aluminium frames, Velux roof windows, and options from premium brands like Smart and Residence.
Glazing: Highly efficient double and triple glazing featuring Planitherm glass to maximize thermal insulation.
Smart Security: Compatible with HomeGuard+ featuring Yale SensCheck™ smart sensors to monitor your window's open/closed status via an app
With a range of finish options & designs available (including Velux), Glasstec are confident they have the window solution to compliment your home.
All of our services are tailored to each customer’s unique requirements, ensuring the most affordable & highest quality service possible. Our double & triple glazing solutions can improve the energy efficiency of your home, keeping you warmer & reducing heating bills.
As Fensa & Planitherm approved window & door installers, Glasstec’s team of local professionals are fully qualified to provide expert advice on which products best suit your home, & ensure the installation is to a standard that achieves longevity. Find out more here
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Composite Front Doors: Solid timber core and foam-filled GRP (Glass Reinforced Plastic) options.
Premium brand options include Solidor (solid timber core with Ultion locks), CompDoor (cross-laminated timber core), and Residor (highly secure GRP composite).
Back & Patio Doors: Bifold doors, French doors, and sliding patio doors from Smart and Origin.
Other Door Types: Aluminium, uPVC, solid hardwood, veneered timber, and garage doors.
Doors for every property type, including; composite, bifold, and French/sliding doors.
Composite doors, both solid timber core and foam filled GRP, Aluiminium, UPVC, solid hardwood and veneered timber doors available in a range of finishes and styles.
Glasstec offer a wide-range of door options for every property. Whether you purchasing a new front door for your home, or looking to install French doors that increase your living rooms natural light; Glasstec have a range of options for every property.
Supply and installation for properties across the South Coast. Find out more here
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Expand your living space & increase the amount of natural light.
The perfect way to unite outside & indoor space whilst also adding value to your property.
Conservatories & orangeries offer a great solution for expanding the living space. All of our conservatories & orangeries are personalised for each customer, with colours & finishes selected to integrate seamlessly, including any brickwork used.
Additionally, Glasstec offer Residence 9 orangeries which are able to replicate 19th century timber designs. This allows us to have solutions for every property type. Find out more here
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We don’t believe in one-size-fits-all solutions. Our team works with you to design a structural glass wall tailored precisely to your property’s dimensions, style, and color scheme.
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Sophisticated, Safe, and Seamless Glass Solutions for Modern Living
Looking to add a touch of modern elegance to your property while maintaining unobstructed views? At Glasstec, we supply and install bespoke, high-quality glass balustrades for homes and commercial spaces across Hampshire and the South Coast.
Whether you are looking to transform an internal staircase, add a sleek safety barrier to a first-floor balcony, or enclose a garden decking area, our custom-engineered glass panels offer the perfect blend of structural integrity and minimalist style.
Why Glasstec?
We pride ourselves on balancing the quality of our products & services with affordability, & believe it’s the winning formula for our growing business. Every service we offer is created around our customers’ requirements, helping them get the best value for money & the end result they envisioned.
Glasstec sell & install high-quality windows, doors, orangeries & conservatories. We can also assist with a wide range of building services; allowing us to help across all aspects of home improvement.
Our showrooms are based in Denmead & Waterlooville near Portsmouth, but Glasstec’s service area covers the South Coast.
Installers you can trust
Glasstec are members of FENSA, HomePro & Checkatrade. We meet their high-standard of quality, & can be trusted with all aspects of your home improvement.
Our team are committed to delivering the best workmanship we can offer, which includes ensuring your home improvement work is completed using the best materials possible to provide longevity.
Book an appointment
Walk in’s are always welcome. For some assistance and guidance, fill in the form or call us below to book some time with a member of our friendly team.
Clanfield Showroom
14 White Dirt Lane, Clanfield, Hampshire, PO8 0QL
Tel: 023 9259 1001
Denmead Showroom
The Old Post Office House, Denmead, Hampshire, PO7 6NN
Tel: 023 9225 1122
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