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uPVC Flush Sash

Our uPVC flush sash windows have a traditional smooth aesthetic that suits traditional and modern homes alike. The high performance of uPVC combines with the beautiful style that resembles original 19th century windows.
  • Deceuninck 2800 decorative profile
  • Secure guarantee on products that feature MACO locks
  • Range of colours and foiled finishes available
  • Choice of Fab & Fix hardware, or 'From the Anvil' ironmongery
  • Exceptional A rated energy efficiency
  • Tested for durability and use
Bespoke timber conservatory
Timber french doors available from Dempsey Dyer
Flush sash uPVC window with oak colour woodgrain foil

Beautiful aesthetic for any home

Our uPVC flush sash window can either be fully welded or mechanically jointed to give a more authentic appearance. Their appearance perfectly resembles windows of the past due to their flat appearance; the window sash sits level against the frame so there is nothing overhanging.

Why choose our uPVC flush sash windows?

  • Aesthetic appeal that suits all homes
  • Achieves ‘A’ window energy rating for high performing thermal insulation
  • Meets BS7950 security standards and Secured By Design police initiative
  • Friction stays tested to 30,000 full cycles
  • Choice of chamfered or decorative profile styles to suit all tastes
  • Choose from traditional or contemporary Fab & Fix hardware, or ‘From the Anvil’ ironmongery

Sash Options

Profiles designed to suit a range of property types from modern to traditional

Available in decorative profile for a traditional elegant look.

Sculptured frame Deceuninck uPVC profile


The Deceuninck 2800 series decorative profile provides a traditional appearance that is more suited to residential applications.


High quality colour finishes

We have a wide range of ways for you to allow the consumer to personalise their windows. We offer the choice of woodgrain foils to give the elegance of timber in colours such as Golden Oak and Chartwell Green. These give a professional finish without the maintenance required of timber. Our popular Heritage shades area extremely durable and even allow a different colour on the interior frame. Our popular Heritage (H) shades are extremely durable and even allow a different colour on the interior frame. Our fast-track (F) colours are perfect if you need your windows quicker.


Energy efficient glazing options

Our energy efficient glazing is available in a range of decorative styles which can also maintain privacy. From ripple effects to floral patterns, we can offer a wide variety suitable for all tastes. Leaded glass and astragal bars can also be incorporated into our windows to add some character to a modern home or emphasise a period property’s charm.


High quality hardware options

Our trade supply of Deceuninck uPVC windows also come with Fab & Fix handles as standard, which have been tested for use thousands of times. For more premium applications, we offer the option of ‘From the Anvil’ ironmongery for a more traditional look. From PAS24 espagnolettes to shootbolts, all our locks offer security as well as style.

Efficiency & Security

Casement windows that offer thermal performance to end users

For peace of mind and reduced energy bills, our uPVC casement windows achieve A+ WER ratings and are registered under the BFRC. We can simulate any glazing specification with our windows, making it easy for you to meet end user requirements.

A key selling point of security

To appeal to the most discerning of homeowners, our uPVC stormproof casement windows achieve Secured by Design status, and any product that features MACO locks is backed by their secure plus scheme, which includes a decade of cover, emergency lock breakdown service and a secure key holder scheme.

Our windows and doors feature shoot bolts, mushroom adjustable cams, Fab & Fix handles, reinforced frames and hinge protectors that act as an anti-jemmy solution. With options for lower and higher budget specifications too, security is a selling point guaranteed if you choose our trade supply of uPVC casement windows.

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Download Centre

If you want to know more about our products, processes and accreditations, fortunately we offer a range of downloads. Download a range of literature free of charge, to refer to in your own time.

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Installers and other businesses can only work effectively if they have a reliable trade supply service – offering 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.

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