Flush Casement Windows


Sitting flush with the frame, the Flush Casement windows create a sleeker, more modern look for your home. With the same thermal efficiency as our standard casement windows and offering the same colour palette, handle and glazing choices these are the perfect choice for homeowners looking to elevate the look of their home. 

Unparalleled Design Flexibility:

  • Extensive Colour Palette: Our flush casement windows come in a diverse range of 18 colours, encompassing timeless classics like oak to contemporary shades such as Chartwell Green. This allows for seamless integration with your property’s existing aesthetic.
  • Comprehensive Hardware Selection: Move beyond the standard options with a variety of handle styles to complement your windows and add a touch of refined elegance.
  • Diverse Glazing Choices: We offer 19 distinct glazing options to cater to your specific needs. Whether you require privacy glass, decorative patterns, or classic clear panes, we have the perfect solution for your project.

Sustainable & Environmentally Responsible:

At SFX Trade, we prioritise environmental responsibility. Our flush casement windows are crafted from the highest quality, fully recyclable uPVC. Furthermore, we take pride in responsibly recycling old uPVC windows removed during installations, minimizing environmental impact throughout the window’s lifecycle.

Expert Supply and Installation (Hampshire, Surrey, Sussex):

SFX Trade provides comprehensive supply and installation services throughout Hampshire, Surrey, and Sussex. Request a free quote today – explore our convenient online quote service or contact us directly for further assistance.

  • A+ Energy Rating

  • BBA Approved

  • PAS 24 Accreditation

  • U-values from 1.3W/m²K

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Key Features

Thermal Efficiency

Our windows not only meet but exceed building regulations. With the multi chambered uPVC profile, our casement windows have *U-values from 1.3W/m²K.

*The U-Factor, also known as the thermal transmittance, is a crucial metric for evaluating a window’s insulating capabilities. It quantifies the rate at which heat transfers through the window assembly. Lower U-Factor values indicate superior thermal performance, meaning the window is more effective at maintaining comfortable indoor temperatures.

Environmentally Friendly

SFX Trade is committed to sustainable practices. Our casement windows are crafted from lead-free uPVC, minimizing environmental impact during their production. Furthermore, these windows are 100% recyclable at the end of their lifespan, promoting resource conservation. By choosing SFX Trade, you contribute to a more sustainable future.

Safety Features

We prioritise the safety and security of your home. Our casement windows incorporate a robust shoot bolt locking system, offering exceptional protection against unauthorised entry. For added peace of mind, we also provide the option to integrate child restrictors into the windows, ensuring the well-being of your loved ones.

Customisation Options

Getting windows in the right configuration is easy when you buy from SFX Trade, we have an extensive range of option, and if it’s not listed we will endeavour to custom make one for you. We have 18 colour options and 19 glazing options. You can also choose from double or triple glazing.






































Irish Oak


Golden Oak





Chartwell Green

Chartwell Green

Gale Grey Finesse


Black Brown


anthracite grey

Anthracite Grey

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Who Are SFX Trade?

We are a home improvement company based on the South Coast of England in Waterlooville. We supply casement windows to the Hampshire, Surrey and Sussex areas. We have over 30 years of experience in the window and double glazing business. If you would like to find out more, please get in touch today! 

More Features

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Our flush casement windows offer the UK’s first double rebated seal along with an exceptional weather seal and glazing flipper. These original 70mm or Resurgence 80mm windows are all fitted with patented bubble gasket, which helps eliminate draughts and aid in water resistance.

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High Performance

Flush casement windows are well known for their excellent performance, A+ rated windows with 28mm double or triple glazing options.

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British Made

All of our windows are manufactured within the UK to ensure the highest quality possible. This allows us to properly regulate our windows and ensure they meet relevant British regulations and standards. Plus, with them being manufactured within the UK, it makes damage during transportation much less likely.


What is the difference between casement windows and flush casement windows?

Regular casement windows have parts that extrude the frame, whereas the flush casements windows sit flat against the wall and offer a sleeker, more modern aesthetic. Both offer A+ energy ratings as well as U-Values from 1.3W/m²K. The difference in the products is predominantly cosmetic.

Which is better, uPVC or timber?

Selecting the optimal window material involves a careful consideration of both uPVC and wood. Here’s a breakdown of their key advantages:

  • Maintenance: uPVC offers a clear advantage in terms of upkeep. Its low-maintenance nature requires minimal cleaning, typically just a wipe-down occasionally. Wood, on the other hand, demands more regular maintenance to prevent potential issues like rot, warping, and cracking, especially in harsh weather conditions. These maintenance costs can accumulate over time.

  • Aesthetics: Wood undeniably boasts a timeless appeal, particularly suited to heritage properties. Its inherent rustic charm complements traditional architecture beautifully. While uPVC offers a clean, modern aesthetic, it may not always seamlessly integrate with older architectural styles.

  • Lifespan: When properly maintained, both uPVC and wood windows can offer a comparable lifespan. However, the lower maintenance requirements of uPVC potentially translate to a more consistently reliable performance throughout its service life.

The Choice is Yours:

Ultimately, the ideal window material depends on your priorities. If ease of maintenance is paramount, uPVC is an excellent choice. However, if aesthetics are a key concern, and your property aligns with a traditional style, wood windows may be the better option.

How secure are flush casement windows?

Casement windows are significantly challenging to break into. This is because a casement window frame is flush with the window. Plus, these windows can only be opened from the inside. They can’t be opened from the outside, even using a crowbar. Our flush casement windows are BBA approved, PAS24 accredited and SBD awarded.

Where do you deliver?

SFX Trade is based on the South Coast of England in Waterlooville. We supply flush casement windows to the Hampshire, Surrey and Sussex areas. If you are looking for your next flush casement window supplier, choose us. We offer free delivery, and you can have your casement windows in just five working days!

Are flush windows worth it?

Their insulation properties are excellent, and you may save on energy bills. They are even more air and watertight than casement windows since they are flush with the wall. Along with providing excellent performance, they also offer excellent slim sightlines, bespoke glazing platforms and a range of customisation like cills, colours and size for customers to enjoy.

Unplasticised polyvinyl chloride, commonly known as uPVC, is a widely used material in constructing window frames, including flush casement designs. It’s favoured for its durability, minimal maintenance requirements, and excellent insulation, helping reduce heating costs and noise pollution in your home.

Additionally, uPVC’s versatility allows for various window designs and colours, making it adaptable to different architectural styles. Despite being a plastic derivative, uPVC is recyclable, which adds an aspect of environmental consideration to its use in window manufacturing.

Generally, uPVC windows are more affordable than those made with alternative materials like wood or aluminium.


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Why Choose Us?

We have worked within the home improvement sector at SFX Trade for over 30 years. With our ample experience, we aim to provide all our clients with the best possible service. Our products are made within the UK and are rigorously tested to meet building regulation standards. You can trust that our products are of the highest quality. If you need help, have a team of experts for any questions about our products and services. Whatever you need, we are here to help!


Request a Free Online Quote

If you would like to find out more about our products, please contact us today! Alternatively, utilise our free online quoting system for more information about our products.

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