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


Complete solutions
From the UK’s most successful fenestration systems company

Quality and Performance Guaranteed

Senior design and supply aluminium, aluminium/wood composite and fibreglass profiles to the construction industry for fabrication into stunning high performance windows, doors and curtain walling. On-site powder coating, double glazed unit manufacturing and a wide range of door and window accessories complete the total fenestration solution... take a closer look

New CPD Seminar
Earn double CPD points with our latest RIBA approved CPD

Introducing our latest RIBA approved CPD ‘Detailing and Delivering Fenestration Solutions’

Book today to find out how to accurately identify and overcome the detailing and interface issues when specifying windows, doors and curtain walling…read more

RIBA Roadshows
Join us in Edinburgh to earn a full day’s worth of CPD credits

Book your place today for the Senior seminar ‘Designing Sustainable Fenestration’ at the Edinburgh RIBA roadshow. Earn double CPD points and gain a better understanding of the options and choice of materials in more

RIBA CPD Providers Roadshow, Edinburgh, 30th October

Hybrid Goes Frameless
Introducing our new composite Frameless Casement Window

You asked, we’ve provided!

Developed at the request of our nationwide network of fabricators and installers, we are delighted to introduce our fabulous new timber composite Hybrid Series 3 Frameless Casement Window for use in curtain wall applications – giving a flush and seamless finish across the whole façade ... read more

Green credentials for a beautiful world

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




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