Clayton Glass

Over the past decade, Clayton Glass has grown into one of the largest independent glass manufacturers in the UK. The business is privately owned and has a number of discreet operations, each with its own specialism. The combined group boasts turnover of £40 million, across 300,000 sq feet of manufacturing space, and a workforce of over 400 people.

Clayton Glass itself operates with 3 tempering furnaces and 8 glass cutting centre which give a machine capacity of in excess of 40,000 items a week. In house capabilities include decorative glass, heat-strengthened tempering, screen printed glass, polished & drilled glass, laminating, curved laminating, fire glass among other operations. Our distribution network reaches the whole of the UK on a regular basis, with a fleet of over 20 vehicles ranging from 38 tonne articulated wagons to sprinter vans, we are perfectly placed to meet our customers needs. We are also among 1000 companies to inspire Britain.


SMARTGLASS is Clayton Glass’ flagship brand. We have pioneered the next generation in conservatory glass through innovation in the SMARTGLASS® brand, which now provides the definitive market-leading levels of performance with Ultra 86 and SMARTGLASS® Dynamic, a revolutionary thermochromic glass. SMARTGLASS®W is the sector’s first dedicated range of glass for conservatory doors and windows, is further evidence of an innovative culture. SMARTGLASS is the best performing glass product on the market when it comes to solar control

Find out more about SMARTGLASS


Visit the SMARTGLASS website!

Celsius Performance Glass

Celsius Performance Glass is a brand owned by Clayton Glass. The conservatory roof glass product is a market leader, with it’s own unique selling point in that it is the best performing roof glass product in terms of minimising heat loss available on the market! Around 3,000 Celsius Glass units are despatched from Clayton’s Blackburn site on a weekly basis.

Visit the Celsius Performance Glass Website Here

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Find out more about The Clayton Glass Difference.

Key contacts

We’re a people driven business and wholly independent and owner managed. From the directors down, we’re all accessible in what we believe is a unique culture at Clayton Glass. Whatever your query we’re here to help.

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Business Awards

We’re a multi award-winning company, not only in the glazing industry but we’ve been listed in the 1000 Companies to Inspire Britain report. We’ve also won IGU Manufacturer of the Year in 2015, 2016 and are a finalist in 2017.

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Our Approach

As an owner-managed business, we make decisions quickly and in the interests of the customer, nor are we distracted with other business units. We have a long history of success, investment and outstanding service.

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