Dempsey Dyer - UK Window, Door & Conservatory Manufacturers

Since 1977 our goal has been to offer the most comprehensive product range available under one roof in the Fenestration industry. Here at Dempsey Dyer we manufacture products in UPVC, timber & composite materials and service the retail, trade and commercial sectors nationwide from our centralised location.

We manufacture products from the Deceuninck 2500, 2800 and 3000 series profile systems. Operating as Deceuninck fabricators since 1977, we now offer the full range of profile systems available from Deceuninck. Our timber window, door and conservatory profiles are manufactured at our UK headquarters.

Please select from any of the below products for additional information.

Windows

Our wide variety of windows can be manufactured in UPVC or Timber to suit every requirement.

Doors

Dempsey Dyer UPVC and Timber doors are both stylish and secure with a variety of styles to choose from.

Conservatories

The range of conservatories manufactured by Dempsey Dyer are available in both UPVC and Timber.

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Operate from a large freehold site in the UK with over 60,000 sq ft of manufacturing space, we currently employ over 80 dedicated members of staff, many of whom have been with the company over 20 years providing a wealth of experience to our company.

Sectors

Dempsey Dyer products are available to a variety of customer types. With dedicated trade and commercial departments, we're able to deal with any enquiry no matter how small or how large. For more information, please select your customer type from the below options.

Trade

We accomodate trade customer accounts with high or low levels of frames per week.

Commercial

From social housing to hotels, we have the commercial expertise available for your project.