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Transform your home's security


Supermodel looks.
Bodyguard protection.

The appeal of Lumi is more than surface deep. Robust security features are built in, making Lumi one of the most security-conscious window designs in the world.

Lumi Windows & Doors

Hidden, heavy-duty hinges

Lumi hinges are concealed within the frame. The world-class, heavy duty system is smooth and effortless to use, yet virtually intruder-proof.

Lumi Windows - Security

Secure, even when open

Lumi’s friction brake and cutting-edge locking system mean they can be secured in any open position.

Lumi Windows - Security

Reinforced with steel

A strong reinforcement bar lies under Lumi’s elegant lines, along with a high-security locking system and anti-leverage hinge bolts.

Security - Lumi Windows

Inner strength

Lumi’s unique construction and design
makes them much stronger than
traditional windows.

Lumi Windows & Doors

Toughened and laminated Kitemarked glass

Lumi windows come with toughened glass as standard, but for extra safety and security you can specify laminated units. They are Kitemarked to British Standard and surpass all police accredited security levels.

Free Advice Today! Find out more about how you can replace the windows in your home and start your Lumi transformation

Completely flat, yet totally stand out

Lumi stories, shared by our customers on Instagram