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

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Strength and hope – Colour trends for 2021

As we enter 2021 with hope for a brighter future, Pantone’s choice for colour of the year 2021 couldn’t have been more apt. Find out how the 2021 colour of the year will influence home décor and architectural design.

  • Twitter

    • We supplied the complete fenestration package for this new student accommodation scheme in Coventry, featuring both… 2 days ago
    • RT @AlliedGlazing: Our project for @bandkbuild at @bolderlondon is making great progress, check out the new photos in the gallery here - ht… 4 days ago retweeted via AlliedGlazing
    • RT @Aire_Valley_Ltd: CWCT Water Test Passed on recently completed Oldham College Building D 🙌where we installed over 400m2 of @Senior_Syste… 4 days ago retweeted via Aire_Valley_Ltd
    • With a host of design options, our Ali VU aluminium window’s frame has a depth of just 38mm (fixed light) or 66mm w… 4 days ago

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