Our Story

Understand our idea. Inside out.

“My problem was that windows look the same wherever you go. They’re all little boxes that in our weather, degrade over time and let heat escape. Lumi is my solution. I quite literally turned the idea of a window inside out.”

Asa McGillian, inventor and founder of Lumi.

The first true innovation the UK window market has seen in decades.

Lumi is the first true innovation the UK window market has seen for decades. Invented by a team of product engineers on the North Coast of Ireland, it performs every bit as differently as it looks.

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Designed, engineered and
manufactured right here in the UK.

Lumi is designed, engineered and manufactured in our state of the art Ballymena premises, so we can react quickly,
an essential in the world of construction where site delays
can be costly.

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We invented Lumi. We are proud of it and we want its performance to be perfect. That’s why we have gone to the trouble of manufacturing many of the component parts ourselves.

To discuss your project or to arrange a meeting.
Call us on 03300415014 or email sales@lumiwindows.com

Get in touch with us