Quantum Building Supplies

Velux Windows

For over sixty years VELUX has been dedicated to producing roof windows which are synonymous with quality and reliability.  They offer an extensive number of products and services to fit customers’ needs and demands, all of which come with great warranties and after-sales service.

The range of products available to order from Quantum includes:


Reflecting far more light back into a room than a traditional, darker surface would, the low-maintenance, high-quality white finish can transform homes


With an aim of creating more natural light and fresh air, the vast range of sizes, options and finishes give you the means to make the very best of every project

Conservation Windows

Classic windows blend tastefully into the roof of your old building with a vertical centre bar and black finish exterior. All VELUX conservation roof windows have the technically superior features of a roof window in a traditional black conservation style.

Modular Skylight systems

Designed to bring natural light into modern flat roof homes. The modular system can be seamlessly built into the existing design of your home, or integrated into a new design during the planning stages.

Flat roof windows

Makes it easy to bring daylight and fresh air into your flat roof home.

Sun tunnels

Natural daylight brings your indoor spaces to life in ways that a simple lamp can’t. Experience the changing light of the seasons and times of day anywhere there’s a VELUX sun tunnel.


The biggest range of roof window blinds and shutters, the biggest choice of colours and fabrics, designs and styles to complement any interior.

Click the Price Calculator to get an estimated cost for your project or alternatively call our Sales Team.

As a VELUX Dealer we are able to offer the full range from electric and solar powered roof windows through to Disney themed blinds, all at competitive prices.


We are also offering rewards all year round when you purchase VELUX roof windows, flat roof windows and sun tunnels from us click here for more information on what you could be rewarded with.

For further information on Velux Windows, call us today on 01534 610500 or email sales@quantum.je

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Please note that in order to register for an online account, you’ll need a verified NP Group credit account and account number. Download your application form today or contact us for further information.

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If you are experiencing any difficulties with the Quantum online account tracker, or would just like more information regarding the system, then please feel free to contact our sales department on 01534 610500 or email sales@quantum.je.