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About

With 40 years’ experience in the fenestration industry, Dempsey Dyer are the ideal commercial partners for both small and larger scale contractors, architects and project managers.
Why Choose Us?
Find out more about why we think you should choose us as your trade supplier.
Company History
Find out more about the years of experience Dempsey Dyer has to offer.
Our Products
View Dempsey Dyer's range of commercial glazing products.
Case Studies
Browse our case studies section to see projects we've worked on.
The Dempsey Dyer team
Timber being sorted in warehouse
Hand crafted timber products
Windows supplied for refurbishment of large commercial property
Windows supplied for commercial project
Glazed uPVC screen for commercial project
Black commercial screen internal shot
White windows for large project

40 years' experience in the fenestration industry

A company that you can rely on

We make it our priority to provide the best service possible, which includes offering high quality windows and doors all via one convenient supply. We have a passion for providing a quality service, and work with a range of clients to specify products and reduce costs without compromising on specifications.

Founded in 1977, we now serve both the commercial and trade sectors with our supply of uPVC and timber windows and doors. We can also provide a selection of living spaces for residential applications. We mainly use high quality Deceuninck profiles and timber profiles manufactured in-house, ensuring quality control is maintained regardless of the choice of product.

Don’t just take our word for it

Thanks to our duty to customer care and high performance products, we have secured a number of contracts for familiar commercial organisations. This includes councils, housing authorities and public service buildings. Customers include Barclay Homes and Kier Construction – turnkey names that come back to us time after time thanks to the quality of our service.

It is thanks to our fantastic reputation that we secure such contracts. This reputation wouldn’t exist without our dedicated commercial department and the trust that we gain from each client. This trust is gained thanks to Dempsey Dyer working with architects and main contractors throughout every step of your project, from concept to installation.

A company that never misses the small details

Many customers are impressed with our attention to detail and due diligence even from the beginning of each project. We give a high level of detail at the estimation stage, including advice on acoustics, wind loads, snow loads and dead loads. This high level of detail from the early stages ensures the success of the project for the long term.

We also offer efficient aftercare services, which creates peace of mind for both you and those residing or using the properties in your development.

Clients

Suppliers

Installers and other businesses can only work effectively if they have a reliable trade supply – of the highest performing products. Luckily, here at Dempsey Dyer we only supply the latest options from market leaders. This guarantees quality, performance and durability – regardless of the product choice.

Project & Contract Management

We help to ensure all projects run smoothly – and keep to budgets and time scales.

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Environment & Recycling

We have a duty to minimise our effect on the world around us.

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Equality & Diversity

We provide equal opportunities for all and are strongly against any form of discrimination.

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