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What are your maximum sizes?

Lumi Aluminium

  • Maximum sizes
  • 2200mm x 1600mm for
    fixed units
  • 1500mm x 800mm for opening casement.

Lumi 80mm Fibreglass

  • 3250mm x 2150mm for fixed units.
  • 2200mm x 1000mm for Side-hung opening casement.
  • 1500mm x 1000mm for Top-hung opening casement.

These sizes are meant as a guide only, if you have any special requirements, please get in touch with us to discuss your options.


Which version of Lumi is right for my project?

Check out our blog here for a breakdown of our window offerings.

What information do I need to provide you with for a quotation?

We will always do our best to work with what you have, although all of the following information is really helpful.

  • Your Name
  • The address of your home/project
  • Your contact information, ideally including a contact number, in case we have queries about your project.
  • Any plans/window schedules you may have. We’re also happy to work with any rough sizes you have.
  • When your project is due to commence.


Do you cover my area?

We supply to window and door companies all across the UK and Ireland, including the Jersey, Guernsey and the Isle of Man.

The best way to find out who our Lumi Approved retailer is in your area is to send us an email, which you can do here.


Can Lumi Windows Open?

While it might not look like it, our windows do open!

Click here to see how they look when open. 

How Do I Get A Quote?

The best way to receive a quotation for your project is to send us an email (which you can do here).

From there, we’ll work with a local Lumi approved supplier to arrange a quote for your project. You should typically hear back with a quotation within a working week, depending on the size of the project.


Completely flat, yet totally stand out

Lumi stories, shared by our customers on Instagram