Our Story

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Who we are

From our humble beginnings dating back to the early 1990’s in Bradford, to today’s strong standing at the forefront of the aluminium fenestration industry, we have grown to become the largest privately owned fenestration systems house in the UK.

Our extensive product range, customer-service focus and autonomous flexibility is a key part of our identity and with a strong focus on supply chain collaboration, we recognise the value of relationships and work closely with fabricators, contractors and architects across the UK to deliver innovative and sustainable fenestration solutions that perform as well as they look.

What we do

We design, manufacture and supply innovative and high-performance aluminium windows, doors and curtain wall systems for use on projects across the sectors throughout the UK.

With our own in-house expert design and technical team, regionally located technical sales managers and architectural advisors, state-of-the-art powder coating facility and secure and reliable supply chains we have the autonomy to offer a flexible and friendly service that meets the individual needs of all our customers.

Products

Our Product Range

As the largest privately owned fenestration systems house in the UK, we have a wide range of aluminium systems that are designed to perform as well as they look from our patented PURe® windows and doors, to our slimline curtain wall systems, we can offer the full package.

Windows

Doors

Curtain Wall

Shop Front

Roof Glazing

Secondary Glazing

Home to PURe®

In 2015, we revolutionised the aluminium fenestration industry with the launch of our market-leading PURe® system, which features a thermal barrier manufactured from expanded polyurethane foam (PUR) allowing ultra-low U-values to be achieved.

The system was also awarded a UK patent (UK Patent Number GB252363.8) in recognition of its unique and forward-thinking construction.

Today we have a range of PURe® window and door systems within our product offering which have been tried, tested and trusted across the UK.

Lennarts Legacy

Senior Architectural Systems owes its foundations to the vision and determination of our late founder, Lennart Jonsson.

With a passion for innovation and a commitment to excellence, Lennart established the company and built it into the UK’s most successful fenestration systems provider. His dedication to quality, care for his team, and focus on customer satisfaction continue to inspire everything we do.

Although Lennart is no longer with us, his legacy lives on through the values he instilled and the strong foundation he created. Senior Architectural Systems remains guided by his pioneering spirit as we build on his remarkable achievements and continue to grow.

SAS at a glance

Sustainable manufacturing

UK designed and manufactured

Delivering quality fenestration solutions since 1991

Turnover – £52,921,796

Employees – 167

Sites combined Sq ft -220,000 square feet.

Complete product range

Expert design and technical support