Commercial & homeowner

uPVC & Aluminium Casement Windows

Casement windows are one of our most popular window styles. They can be bespoke designed to your exact specifications and will suit any type of building. Our casement windows are available with a wide range of options. From a classic white finish to an authentic woodgrain effect; our casement windows will improve any home or business.

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  • Screw Icon Quality Products Manufactured bespoke to
    exacting standards
  • Performance profile icon High Performance Ultra thermally efficient
  • Style icon Contemporary Styling Modern sash styling for
    great aesthetics
  • Colour icon Colour Range Standard, premium & RAL
    finishes available
  • Hardware icon Hardware Range Comprehensive hardware
    selection available

Casement windows in Bath, Bristol, Wiltshire and Gloucestershire

At Techniglaze, we install the Deceuninck 2500 Chamfered and 2800 Decorative profiles. These systems are high performing and aesthetically attractive uPVC casement windows. They achieve excellent levels of thermal efficiency and are suited to both modern and traditional properties. In terms of aluminium casement windows, we also manufacture and install the Alitherm series from Smart Architectural Aluminium including Alitherm 300, 500, 600, 700, 800 and Heritage 47. Heritage 47 is ideal for heritage applications where a more traditional look is required and where conservation area regulations apply.

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    Techniglaze uPVC Casement windows can be finished in a selection of durable woodgrain foils. Choose popular White or Anthracite Grey for a modern and understated aesthetic. For a more traditional look, opt for a realistic timber inspired finish. If you want a different look on the interior and exterior of your windows, we offer dual coloured windows for the best in customisation. For our aluminium casement windows, choose from any RAL colour for their weather resistant powder coat finish. A full list of our colour options for all of our products can be found within our technical documentation. Colour tone shown may differ to actual finished product, please request a swatch if you require an accurate representation.


    Techniglaze casement windows are fitted with high quality Fab & Fix or From the Anvil hardware. From traditionally designed monkey tail handles and stays, to contemporary connoisseur offset handles; there’s sure to be the perfect hardware for any home. Choose from a range of finishes including polished brass, polished chrome, and classic cast iron to tastefully complement your choice of window.


    Techniglaze casement windows are glazed with high performance glass from either Pilkington, Guardian, or Saint Gobain. Each of these companies supply a wide range of glazing options including energy efficient glass, self-cleaning glass, anti-condensation glass, and textured and obscure glass. All our glazing meets stringent Building Regulations requirements for security, safety, and energy efficiency.

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