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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
uPVC windows are a modern solution to many customers' home improvement needs. For highly customisable style and exceptional cutting-edge performance, our uPVC flush sash windows exceed expectations every time. We offer a range of uPVC window styles that can be customised to meet your needs, so you can offer a bespoke service every time. 
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 appeaance. 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

uPVC window profiles designed to suit a range of property types from modern to traditional

No matter what style of property your customer has, we offer a range of bespoke uPVC flush sash window styles to meet any specifications. Our modern profiles are available in a decorative profile for a traditional elegant look.

There’s no need to compromise on aesthetics if you’re looking to enjoy state-of-the-art appearance alongside a charming exterior. With our uPVC flush sash window designs, you can offer your customers exactly what they need.

Sculptured frame Deceuninck uPVC flush sash windows profile


The Deceuninck 2800 series decorative profile provides a traditional appearance that is more suited to residential applications, for customers seeking elegant uPVC window designs.


High quality colour finishes

We have a wide range of ways for you to allow the consumer to personalise their uPVC flush sash 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. For high performance uPVC window styles, you can rely on us. 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

We feature energy efficient glazing in our uPVC flush sash window profiles. Our glazing options are available in a range of decorative styles which can also maintain privacy for a stylish yet secure exterior. From ripple effects to floral patterns, we can offer a wide variety suitable for all tastes. No matter what your specifications may be, we’re sure to have uPVC window styles that are right for you. 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. You and your customers will enjoy total peace of mind when choosing our uPVC basement windows in the flush sash style.

Efficiency & Security

uPVC 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. Energy efficient is one quality that is as highly sought-after for customers as style and durability. With our uPVC flush sash windows, there’s no need to compromise. You will be able to promise and deliver exceptional performance across the board.

A key selling point of security

To appeal to the most discerning of homeowners, our uPVC casement windows in the Stormproof profile 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 uPVC 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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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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