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


COVID-19 Statement

In light of the new restrictions across the country, we can confirm that our branches remain fully 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

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.



How Senior Achieved 30 Years of Success

This month Senior Architectural Systems celebrates its 30-year anniversary. Founded in 1991, Senior has grown to become the UK’s largest privately owned fenestration systems company with a turnover of £40 Million and over 150 employees. So, what’s the secret of the company’s success?
We go behind the scenes to find out...

  • Twitter

    • Our 30th anniversary isn’t just our milestone; we share our success with our experienced and talented network of fa… 8 hours ago
    • If you fabricate our fenestration products, make sure you check out Fab Tools – our dedicated online resource offer… 1 day ago
    • Since 1991, we’ve kept everything in-house and here in Britain, making us UK’s largest privately owned systems hous… 2 days ago
    • We’ve completed some great jobs in Sheffield recently, including Great Central! We supplied the full fenestration p… 3 days ago

Pin It on Pinterest