Fenestration Hardware Specialists

Fax: +44(0)24 7643 7969

+44(0)24 7643 7900


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sceenshots from the Caldwell video Range of sliding sash window accessories casement window hardware, including folding openers and restrictors Bi-folding door hardware Trade account graphic

The UK's leading supplier of traditional and contemporary window hardware

A photo of the Caldwell UK Factory

Established in 1888 Caldwell Hardware has grown to become a market leader in specialist hardware for the UK window and door market. Backed by over 120 years' experience in manufacturing Caldwell delivers quality, design-led hardware solutions to PVCu, timber, aluminium and composite window fabricators.

We manufacture a comprehensive range of products including traditional sash window hardware and balances, and hinges and restrictors for more contemporary window styles such as pivot.

Our window hardware can be manufactured for all materials and systems, and can be incorporated in windows for installation in a variety of projects from domestic through to heavy-duty commercial applications.

Caldwell offers standard and customised options but most of our solutions are made bespoke to the client through our in-house design process and manufacturing facilities.

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Need more information or looking for a bespoke product?
Contact Caldwell.

Latest news

Caldwell Group CEO, Eric Mertz

‘The vision for the company is simple – we want to build a world class operation’

When Caldwell UK announced the acquisition of Cotswold Architectural Products in January 2014, the move was dubbed the bringing together of ‘two of most respected names in the UK window industry’-


Caldwell Hardware UK names new bi-fold facility after Liverpool flop Mario Balotelli due to its unpredictability in its initial stages

Mario Balotelli finally finds his goal scoring touch….at Caldwell

Mario Balotelli has a reputation for being both unpredictable on and off the football pitch, none more so than in his time spent with Liverpool FC. But it seems he may have finally found his feet, alb


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