Innovative window, door and curtain wall systems
bringing buildings to life


COVID-19 Statement

In light of the new regional restrictions in Wales and South Yorkshire, we can confirm that our branches remain operational as we continue to support our customers across the construction industry. Read our full statement here

We have made some important changes to our operations and services to keep our staff safe. Customers can find more information about these changes by Logging onto our Fabricator Tools area.

Featured Project

Confetti Institute

Senior’s thermally efficient SF52 aluminium curtain walling complements the weathered steel and dark brick work of this extensive £5.6 M sustainable refurbishment project... read more

Design Challenge
Ali SLIDE Door

New Ali SLIDE Door

Available as Standard or Slimline versions with 50mm interlock for maximum daylight and uninterrupted views. Both versions can also achieve PAS 24... read more


New SF62 Curtain Wall

The SF62 Aluminium Curtain Wall System is ideal for ultra-high-rise projects and those where structural movement is a challenge on the project... read more


Protecting your Environment

At Senior we take our environmental responsibilities very seriously. From our choice of responsibly sourced recyclable materials, to our constant search for new ways to save energy, we are 100% committed to reducing our impact on the environment... read more

Site Guide

Site Guide

Our website has so much to offer.

Use our new site guide to find your way around fast and discover shortcuts to the product and technical information you need at your fingertips.

Need Help Finding Something?

Select from our frequently visited locations below, or visit our Site Guide.



Focus on London and the South East: A Dozen Stand Out Building Projects

As one of the big 5 fenestration systems houses in the UK, our products feature in buildings nationwide. Take a look at some of our favourite projects recently completed in London and the South East.

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    • Did you know our slimline Ali VU #aluminium double-glazed windows have been designed to achieve a Window Energy Rat… 21 hours ago
    • The clocks go back this Sunday which can only mean one thing – more dusk shots of our projects! We love this photo… 5 days ago
    • We recently supplied a range of #aluminium fenestration systems for use on the Williamson Heights residential devel… 7 days ago
    • As the UK’s largest privately owned systems house, we also have the autonomy to offer a flexible and friendly servi… 1 week ago

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