Senior Architectural Systems Expands its UK Manufacturing Capacity

  • 14 Nov 2022

Senior Architectural Systems, the UK’s largest privately owned aluminium fenestration solutions provider, is set to expand its manufacturing capacity with the opening of a new facility in Rotherham, South Yorkshire.

Located close to Senior’s existing head office and main manufacturing centre in Denaby near Doncaster, the new Rotherham site on Mangham Road will provide an additional 90,000 square feet of usable storage and production space.

Together with Senior’s established sites in South Yorkshire and Scotland, the new facility will increase the company’s overall UK manufacturing capacity to 220,000 square feet.

The move is part of Senior’s wider strategic expansion plan to enhance the thermal-efficiency of its entire product range and to significantly increase production of its low U-value and UK patented PURe® aluminium windows and doors system.

Recent updates to Part L of the Building Regulations and the rising cost of energy prices have led to a surge in demand for Senior’s compliant and efficient aluminium fenestrations systems and through the acquisition of the new Rotherham site, Senior will be better placed to continue to meet its customers’ needs.


It is anticipated that Senior will commence production of its PURe® range at the new Rotherham site in early 2023. Once the new site is fully operational, Senior will be able to maximise the space in its existing Denaby HQ to both increase the speed of its in-house powder coating facility and support the ongoing development of its full range of high-performance aluminium windows, doors and curtain wall systems. 

‘Fits the brief perfectly’

Mark Wadsworth, Managing Director at Senior Architectural Systems, says: “Since launching our patented PURe® windows and doors in 2015, we have seen demand continuously grow and so it was always our intention to expand our production capabilities.

“We have made a number of investments at our main Denaby site, so it was important that we could both complement and replicate this successful and sustainable manufacturing model by finding a site that was not only similar in size, but was also nearby.

“The new site in Rotherham fits the brief perfectly. We are excited to commence production of our PURe® system in the New Year and look forward to maximising this new capacity to continue to enhance the thermal-performance of our complete range of products.”

The new site in Rotherham will also provide valuable storage space to assist with Senior’s nationwide delivery service and coincides with the company’s difficult decision to close its distribution centre in Newport, Wales.

All customers in Wales and the South of England will now be served by the two main facilities in South Yorkshire, with Senior’s branch in Livingston continuing to support orders to Scotland and Ireland.

To read about Eastwood Health Centre in Glasgow experiencing major benefits from Senior Architectural Systems, click here.


Senior Architectural Systems,
Eland Road,
Denaby Main,
United Kingdom,
DN12 4HA

Email: [email protected]
Phone: 01709 772600
Fax: 01709 772601

Visit the Senior Architectural Systems website

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