Mock Sash Windows

Quality mock sash windows by Sheerwater Glass

Easy to operate and exceptionally strong

Combining the benefits of our stormproof range of casements and our flush casement window designs, our mock sash windows are the perfect solution for homeowners who appreciate the appearance of traditional vertical sliding sash windows.

With the mechanisms of a casement window, our mock sash range are a classic choice with modern functionality. If you are considering the installation of vertical sliders but enjoy the ease of operation associated with casement windows, our mock sash are the ideal choice.

  • Low maintenance and high performing
  • Practical in function
  • Easy to operate

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.

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

    Stunning Design

    The perfect solution for those who enjoy the attractive design of a traditional vertical sliding sash window whilst retaining the practical functions of a casement window. Available in a wide range of colours, our mock sash windows are suitable for both modern and traditional properties. Let us help you find the perfect mock sash solution for your home, retaining your property’s character with our stunning designs. 

  • storm proof


    Our mock sash windows perform incredibly well against the elements, with easy-to-operate functionality and flawless style. Rest assured, the windows across all our ranges have been rigorously tested to ensure you receive the highest quality materials and products, keeping your home safe and secure. Our goal is to keep your home warm, dry and looking great. 

  • anti-moisture


    We take pride in offering customers high quality products that last. Our mock sash windows are installed with dry gasket glazing system rebates to allow moisture to escape. This reduces the risk of rot and provides a low-maintenance alternative to traditional sash windows. You’ll be sure to receive excellent value for money with our mock sash range, as our products continue to perform well.

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
  • Anthracite Grey
    Anthracite Grey
  • Basalt Grey
    Basalt Grey
  • Black Brown
    Black Brown
  • Brilliant Blue
    Brilliant Blue
  • Chartwell Green
    Chartwell Green
  • 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
  • Natural Oak
    Natural Oak
  • Rosewood
  • Rustic Oak
    Rustic Oak
  • Sienna
  • Signal Grey
    Signal Grey
  • Slate Grey
    Slate Grey
  • Slate Grey Finesse
    Slate Grey Finesse
  • Steel Blue
    Steel Blue
  • Swamp Oak
    Swamp Oak
  • Walnut
  • White
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