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Replace your old windows! Start your Lumi transformation today - Enquire Now
Transform your home

The most elegant way to transform how your home looks, how it feels, and how you enjoy living in it.

Welcome to Lumi

Choose a range below to begin your journey with us.

Lift & Slide Doors

Lumi doors effortlessly bring the outside in when the weather is good and keep it outside when it isn’t.

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Windows

Lumi won’t just transform your home’s appearance, it will also improve its security and efficiency.

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Silka Door

The perfect complement to the Lumi look, our Silka door range is equally sleek.

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

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 Protects

Lumi looks after your family’s safety with super-secure features and protects the environment by being amazingly energy efficient.

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Start your Lumi transformation

Phone or ping our expert team to discuss everything Lumi

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We got Lumi windows for our new build house. From the very beginning the service has been excellent from Jamie in sales to Gary and the lads who installed. Exceptional. The windows themselves are in a league of their own. Nothing else like them on the market and they really make the house unique. Could not be happier with the service and the product.
Stephen Whyte, Dublin
Lumi window and door systems are excellent products that stand out from their competitors and their seamless lines and industry-leading thermal qualities are second to none. We are exceptionally pleased with the look of Lumi windows and doors. We love the sleek, seamless finish which we feel enhances the contemporary design of our new home. The sales and manufacturing team were professional throughout and we were impressed by their willingness to accommodate the very particular demands of our product.
Stephen & Ruth Johnston, County Antrim
We are extremely pleased with our Lumi windows and slider, and all who see them comment very favourably on them. They have added an extra wow factor to the build that we hadn’t originally anticipated. Our Lumi windows are the key element that truly transformed our house rather than the build being just another extension.
Michael Lelieveld, Berkshire, England
I selected Lumi for the exposed coastal location of my project. The windows are very high quality and cost effective. Easier to install than UPVC or Aluminium. My installation company Guy McCullough of Ulverston said they were the easiest windows he had ever installed. My only criticism of Lumi is one of poor communication during the delivery process, but this is just a hang up of a busy fast growing company. Any problems are addressed and if you asked me would I use them again it would be a resounding yes.
Ian Postlethwaite, Lancashire

Completely flat, yet totally stand out

Lumi stories, shared by our customers on Instagram