Maintain even temperatures all year round.

Double Glazing Installers in Southampton

  • 3-week lead time
  • 1-day installation
  • Five-star service
  • 10-year finance available



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Promo code: COOL20

Don’t let draughty windows and sky-high energy bills bring you down. By upgrading from single to double glazing, you can enjoy a warmer home in winter, a cooler home in summer, and lower energy bills all year round!

At Ecozenic, we have years of experience installing premium double glazing solutions across Southampton. We can handle everything from windows and doors to roof installations, providing the highest standard of quality in both workmanship and customer service. No matter what kind of upgrade you’re looking for, you can trust us to leave you 100% satisfied with the end result.

We serve all of Southampton and the surrounding areas, including Bassett, Netley, Ocean Village, and Swaythling. If you’re ready to transform your home, get a free quote online or call us on 01202 798666 today!

Save money on heating bills!

Eco-Panels are an instant solution!

Promo code: COOL20

Double-Glazed Windows

We install three types of double-glazed windows in Southampton, each built with premium uPVC frames: classic casement, airy French casement, and beautiful bow and bay. Learn more about each option below!
Casement Window

Casement Windows

Casement windows have a timeless design that hinges on the side, opening outward to provide excellent ventilation and a clean look. They're perfect for letting in fresh air and are available in a variety of sizes and configurations to fit your needs.

French Casement Windows

French casement windows offer the same benefits as regular casements, but with a twist! They come in pairs that hinge on opposite sides, allowing you to open up a wider space for even more ventilation and a beautiful, symmetrical look.
White Frame Bay Window

Bow and Bay Windows

Bow and bay windows project outward from the wall of your home, expanding your space and giving you a wider view of the outdoors. Bow windows have a gentle curve, while bay windows have angled sides for a more dramatic look.

Double-Glazed Doors

Looking to upgrade your doors in Southampton? We offer a variety of double-glazed styles to fit your tastes, from classic to contemporary, uPVC to aluminium, and much more. Learn more about each option below!

Residential Door

Residential Doors

Welcome guests in style! Our residential doors come in a variety of designs and colours to boost your property’s curb appeal, reflect your tastes, and create the perfect entrance to your home.
Stable Door

Stable Doors

These charming doors add a touch of countryside elegance. The split design allows for upper ventilation while keeping the lower portion secure - perfect for letting in a breeze while keeping an eye on pets or young children.

French Doors

Want to inject some European flair into your home? Made up of two hinged glass panels, French doors offer a wide, dramatic opening that’s perfect for leading out to a patio or balcony.
Sliding Patio Doors

Patio Doors

Patio sliding glass doors are all about maximising space and light. They offer a seamless transition between your indoor and outdoor living areas, ideal for entertaining or enjoying the view of your garden.
Composite Door

Composite Doors

Composite doors combine the strength and security of modern materials with the classic look of timber. They’re low-maintenance, weatherproof, secure, and energy-efficient, making them a fantastic choice for your front door.
New Wave Doors Open

Bifold Doors

Our aluminium bifold doors are a fantastic space-saving option that, when folded back, create a wide, unobstructed opening that brings the outdoors in. They're ideal for patios, balconies, or conservatories.

Why Upgrade to Our Double-Glazed Doors and Windows?


Our double-glazed windows and doors are built with ultra-strong glass to resist break-ins and come equipped with multi-point locking systems, guaranteeing maximum security.

Energy Efficient

The thick extra layer of glass and the space in between create a barrier that traps heat in during the winter and keeps it out in the summer. The result? Lower energy bills and more money in your pocket!

Fully Customisable

Design your dream windows and doors! We have a huge range of frame colours, glass options, and hardware to choose from, so whatever your tastes, you can create the perfect design for your home.

Added Property Value

Our double-glazed windows and doors will boost your curb appeal and make your home more attractive to buyers. This translates to thousands of pounds added to your asking price!

Conservatory Roofs

Looking for other ways to upgrade your Southampton home? We can breathe new life into your conservatory with a range of beautiful roof replacements, enhancements, and upgrades. Keep reading to see how we can transform your space!
Brown Tiled Warmer Roof Close-up

Tiled Conservatory Roofs

Tiled roofs add a classic touch that complements your home's existing roof. They provide superior insulation for year-round comfort, excellent weather protection, and an airy and open feel inside your conservatory.
Flat Conservatory Roof

Flat Conservatory Roofs

Flat roofs come with a clean, minimalist aesthetic that perfectly complements modern homes. Their designs can be elevated even further by adding a beautiful pitched lantern to flood your space with sunlight.
Eco-Panel Installation in November 2023

Eco-Panel Systems

Don’t want a full roof replacement? Our innovative Eco-Panels are the perfect alternative. Designed to fit snugly over your existing conservatory roof, they deliver insulation close to a solid roof at a fraction of the cost. Plus, the entire installation can be done in just a day!
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Get a Free Quote on Our Double Glazing and Roof Installations

Invest in your home with Ecozenic's high-quality installations! Our team of IWA-certified experts will install your new upgrade to the highest standard, with all work covered by a fully insured warranty for total peace of mind.

Unlike most companies, we have our own highly trained installers and don’t outsource, so you can be confident in the quality of work. We're also certified by Trustatrade and committed to providing a flawless 5-star service.

We install double glazing and roofs throughout Southampton and the surrounding areas, including Bassett, Netley, Ocean Village, and Swaythling. Get a free online quote today or call us on 01202 798666 to transform your home!

Company number: 13777422.
Registered office:
Unit 16
West Howe Industrial Estate
Elliott Road
BH11 8LZ

*Terms and Conditions Apply

  • Unit 16 West Howe Industrial Estate
    Elliott Road
    BH11 8LZ
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