High-Performance Sash Windows for Installers

At Trade Windows Bristol, we supply premium uPVC sash windows that offer the authentic look of traditional timber sash windows without any of the maintenance drawbacks. These windows meet the demands of industry by delivering exceptional performance standards and easy installation.

  • Benefits
  • Features
  • Dimensions
  • Appearance
  • Downloads
  • Benefits

    Chartwell green sliding sash windows

    Benefits of uPVC Sash Windows

    Outstanding Thermal Performance
    Engineered to combat heat loss and withstand harsh British weather, these windows deliver exceptional thermal efficiency. The 24mm double glazing and advanced frame design work together to maintain comfortable indoor temperatures year-round, helping your clients reduce their energy costs.

    Easy Installation and Operation
    With precise engineering, these uPVC sash windows are designed for straightforward installation. The balanced load mechanism ensures smooth operation after installation, while features like tilt knobs and a deep bottom rail add both authenticity and functionality.

    Minimal Maintenance
    Built to stand the test of time, our uPVC sash windows require minimal upkeep. The durable materials offer excellent water tightness, resist weathering and won't rot, warp, or fade. This high durability means you can offer your clients complete peace of mind about their investment.

    Noise Reduction
    Our uPVC sash windows feature advanced noise insulation, giving installers a premium solution for projects in noisy urban areas. The superior sound reduction helps create a quieter, more peaceful living space. This is a great selling point for those living with noisy neighbours, are in the busier parts of Bristol or Bath or are on flight paths.

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    Features

    White sliding sash windows

    Key Features of Our uPVC Sash Windows

    Engineered to meet the high standards of modern construction while maintaining traditional aesthetics, our sash windows come a number of key features:

    • 24mm double glazing for maximum thermal efficiency
    • Wide range of colours and authentic woodgrain finishes
    • Choice of ventilation with trickle vents
    • Achieves an 'A' Window Energy Rating
    • Full reinforcement options to Spectus specifications

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    Dimensions

    Sliding sash windows interior

    Dimensions

    Essential measurements and specifications for your installation planning:

    • A 128mm outerframe matches original timber sash window dimensions, making installation simple
    • Windows can be made up to a maximum size of 1600mm wide and 3000mm high
    • Large and small sash profiles give equal sightlines to the top and bottom sashes
    • 150mm and 210mm cills
    • 10mm / 20mm / 50mm frame packers

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    Appearance

    Sash horn

    Appearance

    These windows are designed to replicate traditional timber sash windows, perfect for both heritage properties and conservation areas:

    • Authentic ovolo detailing throughout frame and sash profiles
    • Optional period features including Georgian bars, sash horns and deep bottom rail
    • Flush gaskets for authentic glazing
    • Pre-approved by many bodies for use in conservation areas

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    Downloads

    Colour Options

    Choose from our extensive range of 30 colours and finishes, including authentic woodgrains, heritage shades and contemporary greys and blacks. This wide range of colours ensures you can meet any design requirement for your client, from period properties to modern developments looking for a traditional touch.

    Explore our colour range
    White sliding sash windows
    Black sliding sash windows

    Double Glazed for Energy Efficiency

    Our uPVC sash windows feature 24mm double glazing as standard, delivering excellent thermal efficiency to meet current building regulations. Combined with the multi-chambered frame design, these windows offer minimal heat loss while maintaining authentic sightlines.

    Find out more about our glazing options

    Security

    Our uPVC sash windows come with robust locking systems and durable materials, providing maximum security and extra peace of mind for your residential and commercial installations. These windows are built to withstand forced entry while maintaining the classic sash window appearance.

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    White uPVC sliding sash windows
    CE BFRC ERC Smart Aluminium Spectus Residence Collection Optima Patio Master

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    Our team of technical advisors will be happy to help.

    0117 978 4444

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    Get in touch today to discuss your needs.