Senior’s innovation recognised with a King’s Award for Enterprise

Senior Architectural Systems, a leading UK manufacturer of aluminium fenestration solutions including doors, windows, and curtain walling, has become one of the first ever winners of the King’s Award for Enterprise.

The company has been honoured in the innovation category in recognition of the design, development, and delivery of its market-leading PURe® aluminium window system that features a patented thermal barrier to reduce heat loss and provide exceptional energy-efficiency.  The South Yorkshire company has manufacturing facilities in Denaby and Rotherham, with an additional distribution centre in Livingston, Scotland.

Senior is one of only 148 organisations nationwide to have been recognised with the prestigious King’s Award for Enterprise following the official announcement on Friday 21st April. The King’s Award for Enterprise recognises and celebrates business excellence across the UK, focusing on the four categories of innovation, sustainable development, international trade, and the promotion of opportunity through social mobility.

Established in 1991, Senior has grown to become the largest privately owned aluminium fenestration systems in the UK and continues to be at the forefront of the development of energy-efficient aluminium windows, doors, and curtain wall systems. In 2015, Senior launched its advanced low U-value PURe® aluminium system, for which it received a UK patent the following year. This unique system features a highly-efficient expanded polyurethane (PUR) thermal barrier, which gives the PURe® system exceptional thermal performance.  As well as helping to prevent heat loss to reduce energy consumption, the PURe® system also offers ‘cradle to cradle’ recyclability, with even the PUR thermal barrier able to be reused with no requirement for landfill.  Over the last decade, Senior has continued to develop and extend its PURe® range to include a variety of window styles and both commercial and residential door options.

The company’s patented PURe® window system can also achieve U-values as low as 0.71W/m2K when calculated as a commercial CEN Standard window to comfortably meet the latest targets set out by Part L of the Building Regulations.

Commenting on receiving the King’s Award for Enterprise for innovation, Senior Architectural Systems’ managing director Mark Wadsworth said: “We are delighted to have received such a prestigious accolade and to be amongst the first ever winners of the King’s Award for Enterprise. I am particularly proud that Senior has been recognised in the innovation category as our investment in improving the efficiency of our products, as well as our commitment to developing more sustainable manufacturing processes, is at the very heart of who we are and what we do”.

“We are constantly pushing forward in the research and development of our aluminium fenestration solutions to not only meet the current regulations on energy-efficiency and heat loss but to exceed them, helping our customers future-proof their projects and create a more sustainable legacy for the construction industry. The King’s Award for Enterprise recognises the progress we have made but is also a reflection of the hard work and expertise of all our employees and that is something to be extremely proud of.”

The King’s Awards for Enterprise was previously known as The Queen’s Awards for Enterprise, and the new name reflects His Majesty The King’s desire to continue the legacy of HM Queen Elizabeth II by recognising outstanding UK businesses. The Award programme, now in its 57th year, is the most prestigious business award in the country, with successful businesses able to use the esteemed King’s Awards Emblem for the next five years.

Applications for King’s Awards for Enterprise 2024 open on His Majesty The King’s Coronation, 6th May 2023. For more information, visit

For more information about Senior, please visit   or search for Senior Architectural Systems on Twitter, LinkedIn and Facebook.


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