Flush Sash Windows
MLI Building Products supplies a selection of quality flush sash windows across Worthing and West Sussex.
Our flush sash windows are designed to recreate the traditional elegance of timber joinery, while offering outstanding energy efficiency and security. Cutting edge technology ensures these windows retain the heat, while the range of styles and finishes available offers a wide choice of options.
When it comes to security, there’s no compromise there either, as all flush sash windows are equipped with shoot-bolt locking, guaranteed for 10 years.
We only supply the best products and offer competitive prices and quick turnaround. Get in touch now to discuss your needs!
Why Choose Flush Sash Windows from MLI?
Energy efficient
Increased energy efficiency, meaning lower energy bills and a warmer home.
Highly-secure
Increased security and protection against intruders.
Sound investment
Better soundproofing, helping keep out unwanted noise.
Flush Sash Window Styles and Configurations
Flush sash windows are a stylish choice for both traditional and modern homes. The sash sits level within the outer frame, creating a clean, elegant finish that gives the look of classic timber windows with the benefits of modern performance.
They can be configured as side hung openings, fixed panes or multi-light designs to suit different property styles and ventilation needs. Whether you need a single window, a two-light design or a larger arrangement, each flush sash window is made to measure.
We supply flush sash windows in a wide choice of colours, finishes and woodgrain effects, giving tradespeople and homeowners across Worthing and West Sussex the flexibility to match any property style.
Explore the range of stylish and durable frame colour options below to complement your design.
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Agate Grey
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Dark Blue
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Anteak
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Cream Foil
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Chartwell Green
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Cedarwood
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Dark Grey
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Dark Red
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Irish Oak
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Rosewood
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Anthracite Grained
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Rustic Oak
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White Foil
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Winchester
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White Foil
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Swamp Oak
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Sapeli
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Oregon
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Mahogany
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Light Grey
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Ivory
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Golden Oak
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Dark Green
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Burgundy
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Black Foil
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Basalt
Get in touch now!
Contact our professional and knowledgeable team and we'll help you find the right supplies.
Noise Reduction and Acoustic Insulation
Flush sash windows sit neatly within the frame and seal tightly when closed, which helps to keep unwanted noise out. Combined with quality double glazing, the snug fit makes a real difference in homes near busy roads or in built-up areas, creating a quieter, calmer space inside without sacrificing the traditional flush appearance.
For projects where sound matters, the glazing can be specified to improve acoustic performance further. As a trade supplier serving Worthing and West Sussex, we can help you choose the right glass unit for flush sash windows made to your exact measurements, so the finished product looks the part and performs well day to day.
Authentic Heritage Looks With Slim, Flush Sightlines
Flush sash windows sit neatly within the frame so the sash finishes flush with the face of the window, creating clean, equal sightlines and a timeless heritage appearance. They capture the look of traditional timber windows while delivering all the benefits of modern materials. This makes them a popular choice for period homes, character properties and any project where authentic styling matters.
Quality Flush Sash Windows Supplied
Flush sash windows are designed to replicate the timeless look of traditional timber windows, with the window sash sitting perfectly level (or “flush”) within the frame. This clean, streamlined appearance makes them a popular choice for both heritage homes and contemporary properties.
Contact us today to discuss your requirements
Get in touch with our team today and let us help you find the best supplies for your project.
Areas we serve
We supply quality double glazing products for both homeowners and tradespeople across Worthing, Brighton, Hove, Bognor Regis and the wider West Sussex area.
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Flush Sash Windows FAQs
A window where the sash sits flush within the frame for a flat, traditional appearance. For flush sash windows, the best choice usually depends on the property style, opening size, frame finish, glazing specification, security requirements and the level of maintenance the customer wants. It is also worth thinking about how the window will be used day to day, especially for ventilation, cleaning access, weather protection and long-term energy performance. Choosing the right specification upfront helps the finished job look better, perform properly and avoid unnecessary product issues later.
Precise manufacturing is required, and they suit period-style aesthetics more than ultra-modern ones. For flush sash windows, the best choice usually depends on the property style, opening size, frame finish, glazing specification, security requirements and the level of maintenance the customer wants. It is also worth thinking about how the window will be used day to day, especially for ventilation, cleaning access, weather protection and long-term energy performance. Choosing the right specification upfront helps the finished job look better, perform properly and avoid unnecessary product issues later.
Flush sashes sit level with the frame; standard sashes protrude slightly. For flush sash windows, the best choice usually depends on the property style, opening size, frame finish, glazing specification, security requirements and the level of maintenance the customer wants. It is also worth thinking about how the window will be used day to day, especially for ventilation, cleaning access, weather protection and long-term energy performance. Choosing the right specification upfront helps the finished job look better, perform properly and avoid unnecessary product issues later.
No – quality modern flush sashes use effective seals for excellent weatherproofing. For flush sash windows, the best choice usually depends on the property style, opening size, frame finish, glazing specification, security requirements and the level of maintenance the customer wants. It is also worth thinking about how the window will be used day to day, especially for ventilation, cleaning access, weather protection and long-term energy performance. Choosing the right specification upfront helps the finished job look better, perform properly and avoid unnecessary product issues later.
It depends on the look and ventilation you want; both perform well when well made. For flush sash windows, the best choice usually depends on the property style, opening size, frame finish, glazing specification, security requirements and the level of maintenance the customer wants. It is also worth thinking about how the window will be used day to day, especially for ventilation, cleaning access, weather protection and long-term energy performance. Choosing the right specification upfront helps the finished job look better, perform properly and avoid unnecessary product issues later.
Specials thanks to Loretta and Stephen
