uPVC Casement Windows

Quality uPVC Casement Windows from Sheerwater Glass

High performance and adaptable in design

uPVC Casement Windows are an extremely versatile window system that can easily be adapted to many different buildings and properties. Combined with excellent security benefits, uPVC Casement Windows offer the high performance expected from a modern window system.

We supply and fit both uPVC Flush Casement Windows and uPVC Stormproof Casements Windows. Browse our ranges of uPVC Casement Windows below, or call our friendly team on 01932 344 415 for more information.


  • Versatile, secure and adaptable to different building styles
  • Practical and reliable
  • Distinct and super sleek design

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  • Free consultation and quote
  • Scored 9.8 on Checkatrade
  • Established 1972

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Fensa Registered Company

FENSA is an acronym for the ‘Fenestration Self-Assessment Scheme’. Set up by the Glass and Glazing Federation, it allows double glazing companies to self-certify compliance with Building Regulations. There are several reasons why you should check for the FENSA logo when looking to have new windows and doors fitted in your home.

BSI Kitemark - Window Installation

Sheerwater Glass is one of only a handful of companies that has achieved the industry’s highest standard, BS 8213 for the survey and installation of windows and external door sets.

QA National Warranties

The insurance intermediary company QANW is responsible for protecting consumers through insurance policies. QANW has been in the business for over 25 years and has formed close associations with various building contractors and trade associations throughout the UK.

City & Guilds - Level 3 Qualified

The educational organisation City & Guilds are known for their vast levels of assessment, offering employees and workforces with the skills they require for many years. This seal of approval provided through their accreditation gives customers the confidence they require. Two of our employees, one in management and the other in our service department are qualified to City & Guilds level 3. This level of accreditation is highly sought after, with City & Guilds working with some of the leading brands of various sectors to offer the highest standard of training. The accreditation offered by City & Guilds is valued significantly, showcasing a business’s expertise, dedication and knowledge. In achieving this level of qualification, customers can feel assured that they are receiving the highest standard of work and customer service. City & Guilds and the City & Guilds logo are trademarks of the City and Guilds of London Institute and used under licence.

Checkatrade - Proud Members

Finding a tradesman is not always an easy task, especially when you’re unsure whether he or she is trustworthy. After all, you’ll be inviting this person into your private home, so you need make sure that they are reliable.

GQA Qualified

GQA Qualifications is an Awarding Organisation for specialist sectors and occupational roles. Qualifications cover the Glass, Construction, Coating and Print industries.

PASMA Tower Trained

Our team are fully trained in the assembling, dismantling, moving and inspecting mobile access towers and working at height.

BFRC Rated

Our products are BFRC rated, an independent verification of the energy efficiency of our windows and doors. BFRC rated energy efficient windows and energy efficient doors carry a ‘rainbow’ label.

  • custom design

    Design

    Achieve a truly unique uPVC window that fits perfectly with your home and individual design preferences. With a wide range of styles and designs to choose from, you can truly customise your new uPVC windows. Speak to a member of our team to find out more.

  • energy-efficient

    Energy Efficient

    New upVC windows from Sheerwater Glass will be expertly fitted, ensuring your home achieves maximum heat insulation. Replacement uPVC windows can improve the overall energy efficiency of your home, helping to cut the cost of your household bills.

  • pegasus-lock

    Innovative Products

    Our team of expert window designers and installers will listen carefully to your requirements and help design the right solution for your home. Low-maintenance and high performance; we source the best uPVC products available on the market.

Browse our range by material or by style...

We have a wide variety of colours available to choose from.


Available Colours

  • Agate Grey
    Agate Grey
  • AnTeak
    Anteak
  • Anthracite Grey
    Anthracite Grey
  • Basalt Grey
    Basalt Grey
  • Black Brown
    Black Brown
  • Brilliant Blue
    Brilliant Blue
  • Chartwell Green
    Chartwell Green
  • Cream
    Cream
  • Dark Green
    Dark Green
  • Dark Oak
    Dark Oak
  • Dark Red
    Dark Red
  • Golden Oak
    Golden Oak
  • Hazey Grey
    Hazey Grey
  • Irish Oak
    Irish Oak
  • Light Oak
    Light Oak
  • Mahogany
    Mahogany
  • Natural Oak
    Natural Oak
  • Rosewood
    Rosewood
  • Sienna
    Sienna
  • Rustic Oak
    Rustic Oak
  • Signal Grey
    Signal Grey
  • Slate Grey
    Slate Grey
  • Slate Grey Finesse
    Slate Grey Finesse
  • Steel Blue
    Steel Blue
  • Swamp Oak
    Swamp Oak
  • Walnut
    Walnut
  • White
    White