Quality uPVC & aluminium flush sash windows

Flush sash windows are characterised by slim sightlines and sashes that finish ‘flush’ with the exterior face of the window. Infusing the timeless look of classic ‘flat’ wooden windows, they incorporate all the modern qualities expected of modern aluminium and uPVC window solutions. Combined with highly-insulative double glazing, flush sash windows add a touch of pure elegance and refinement no matter where they’re installed. In keeping with period property aesthetics, they often meet the requirements of most conservation areas in Shropshire, Worcestershire and the West Midlands too.

What are the advantages of
flush sash windows from Designhaüs?

Multi-chambered and thermally broken frames coupled with high quality glazing allow for A ratings and low U-values

Suitable for listed buildings and heritage properties

Maintain traditional aesthetics and enhance modern properties

High security internal glazing and multi-point locks

Minimalist, slender frames allow for more light and better views

Very low maintenance in comparison to original timber sashes

Matching heritage window accessories and an assortment of design variations, e.g. Modern 70mm or traditionally styled 8-chambered 80mm uPVC frames, mechanical joint/corner weld options, right angled or rounded beading, heritage inspired astragal bars, authentic woodgrain effects ...

Comprehensive product guarantee

Can add value

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  • Colours
  • Security
  • Brochures
  • Colours

    Flush sash colour palette

    From the state-of-the-art Selecta Systems Collection, our uPVC flush sash windows extend far beyond the traditional white flush sash window design - offering a wide range of premium woodgrain and dual colour effects.

    Available in standard white, black and grey aluminium frames, our aluminium flush sash windows can be fully tailored with over 100 RAL powder-coated matte finishes to choose from, including dual-colour options.

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    Black Cherry

    Black Cherry

    Golden Oak

    Golden Oak

    Anthracite Grey

    Anthracite Grey

    Black Brown

    Black Brown

    Cream

    Cream

    Slate Grey

    Slate Grey

    Irish Oak

    Irish Oak

    White

    White

    Chartwell Green

    Chartwell Green

    Steel Blue

    Steel Blue

    View more available colour options

    Black Cherry

    Black Cherry

    Golden Oak

    Golden Oak

    Anthracite Grey

    Anthracite Grey

    Black Brown

    Black Brown

    Cream

    Cream

    Slate Grey

    Slate Grey

    Irish Oak

    Irish Oak

    White

    White

    Chartwell Green

    Chartwell Green

    Steel Blue

    Steel Blue

    Dark Green

    Dark Green

    Dark Red

    Dark Red

    Hazy Grey

    Hazy Grey

    Security

    Flush sash window hardware

    Our collection of quality flush sash windows come with the latest multi-point locks fitted as standard. Our Advance 70 Flush Sash System (uPVC) offers PAS 24 accreditation and Secured By Design certification for absolute peace of mind. Utilising hinges, handles, restrictors and gaskets that are compliant with the British Standard Kitemark, you can rest easy with a Designhaüs window installation.

    From classic 19th century inspired ironmongery to modern inline handles, no matter the property style, our wide range of stylish key locking and decorative handles can be tailored to your unique project with ease.

    Have a browse through our in-depth product brochures for full details.

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    Brochures

    • FENSA logo
    • LABC logo
    • Aviva logo
    • IWA logo
    • NIC logo

    Visit our showroom

    • Bromsgrove Showroom
    • Willowbrook Garden Centre
    • Stoubridge Road
    • Catshill
    • Bromsgrove
    • B61 0BJ
  • 0121 667 3150
  • info@designhausltd.co.uk