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Transform your home with Lumi’s all-glass design

Lumi’s iconic frameless look and super slim sightlines are now available in easy-to-handle aluminium units, designed with the wishes of window installers in mind. Available in both double and triple-glazed, the new aluminium glazing system makes for a lighter, slimmer window that retains its designer good looks, improves efficiency and home security, and are easy to install. These qualities make Lumi windows perfect for replacements in the home improvement market.

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Lumi Windows and Doors

Double & Triple Glazed Aluminium Windows

Lumi’s window system is available in replacement-perfect double-glazed units and ultra-efficient triple-glazed units. Lumi Double Glazed is lighter, easier to handle with a fine border and generous sightlines making it perfect for all uses, particularly when replacing traditional uPVC frames. Lumi Triple Glazed is a slim design with soundproofing and energy efficient qualities, making for the perfect solution if your windows are exposed to harsh elements. The perfect combination partner with the double-glazed version.

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Lumi Windows & Doors

Renovation, Replacement & New Build Projects

Whether you’re tackling a full construction project by renovating your existing property, building a brand-new home or replacing old uPVC windows, a Lumi window system will enhance the aesthetics of your property, as well as making it more secure and sustainable. To complete the look, the Lumi range also includes lift & slide doors and roof-light windows.

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Replace and transform

Use the slider below to see the Lumi aluminium window system transformation

Double Glazed Steel Anthracite Window
Double Glazed Thermal Windows
Double Glazed Steel Grey Windows
Double Glazed Anthracite
Triple Glazed Steel Windows
Triple Glazed Thermal Windows
Triple Glazed Steel Windows
Triple Glazed Thermal Black Windows
Double Glazed Black Windows
Triple Glazed Black Windows
Triple Glazed Black Windows

Fall in love with Lumi

Everyone loves the Lumi look and
how it transforms their home.

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Looks smart. Thinks smart.

Lumi is designed to look great, but also to perform beyond the norm.

Security - Lumi Windows & Doors

Gust proof hinges

Lock Lumi in place when it’s open and that’s exactly where it stays, no matter how strong the wind blows.

Lumi Windows and Doors

Super-secure protection

Lumi has a steel reinforced internal structure to keep what’s outside where it belongs.

Window Handle - Lumi Windows & Doors

Virtually airtight

Double gasket technology seals Lumi in place, making it much more energy efficient than framed windows.

Available as roof windows

Lumi’s super-secure, easy-clean design is also available
as a roof light window.

Lumi Windows & Doors

Explore Lumi Design Features

Lumi’s beauty is more than surface deep. Explore the
smart technology that makes it possible.

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Lumi Windows & Doors

Big picture thinking

Lumi is picture perfect when you want a large
expanse of glass to maximise the view. A single pane
of Lumi can stretch up to 3 metres wide by 2 metres
tall (picture windows). Breath-taking, both inside and out

Start your Lumi transformation

Phone or ping our expert team to discuss everything Lumi

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Completely flat, yet totally stand out

Lumi stories, shared by our customers on Instagram