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Flush Sash Casement Windows

All of our flush sash casement windows benefit greatly from our Double Glazing Network membership. Featuring the innovative, market-leading profile from Liniar, here at Bluemanor Windows Ltd we are able to achieve a level of window quality that completely surpasses the average standard of performance, security and efficiency.

With your specifications in mind, our flush sash windows can be meticulously adapted to accommodate for your tastes and preferences. You’ll be able to choose from a myriad of design options, colours and opening features. We’ll make sure our flush sash casement windows are the perfect fit for your Essex property.

The aesthetic appeal of our products does not in any way compromise their functional efficiency however, and all of our flush sash casement windows achieve outstanding levels of thermal efficiency and security thanks to the Liniar’s multi-chambered design. Overall this is all topped off by Yale’s high security locking system.

Superior Flush Sash Casement Windows

The Liniar profile used in all of our flush sash casement windows is the only window profile to have been designed in the 21st century. This means that it not only broadens the horizons for window technology, it also offers pioneering alternatives to established window faults. This is particularly noticeable in flush sash windows built upon the shoulders of a traditional window design.

We are proud to offer a standard of flush sash windows that not only utilise their heritage, but improve upon it ten times over to provide you the best quality product. Redefining the standards of security, thermal efficiency, durability and weatherproofing, Liniar flush sash casement windows are the smartest choice for any Essex property.

The Perfect profile

Contemporary, efficient, consistent and innovative, the Liniar profile is completely unchallenged in its standards of quality. Offering a myriad of market-leading features, this profile is beautifully well rounded. Using a unique ‘glazing flipper’ gasket to reduce cold transfer, water ingress and noise pollution, this profile completely enhances the comfort of your Essex home. This is then combined with size-optimised chambers, which break up mini convection currents to lock in warm air, and double-action ‘bubble gaskets’, which ensure exceptionally tight weather seals, protecting your home from the more unruly turns in weather outdoors.

These elements effortlessly combine to ensure an unbeatable level of thermal efficiency for your Essex property. This will not only reduce your heating bills; they will also cause a reduction in your carbon footprint. Furthermore, only the highest quality uPVC is used in the construction of our flush sash casement windows, guaranteeing an innate level of durability and strength. This is then enhanced via integrated reinforcing, that eliminates the need for any costly steel reinforcement. Finally, everything used in the Liniar profile is 100% recyclable. All of our flush sash casement windows will improve your world, without costing the earth.

Energy Efficiency & Environmentally Friendly

Bluemanor Windows

100% Lead-Free

A rarity in the market, our windows and doors are manufactured using a process that is 100% lead-free. This means that you’ll be able to enjoy contemporary standards in a way that is not detrimental to your health or to the environment.

Bluemanor Windows

Lower Carbon Footprint

As the modern profile that we use helps to keep the warmth in your home, you could find yourself using your heating less often. In turn, this means that you will use less energy across the year and therefore have a lower carbon footprint.

Bluemanor Windows

100% Recylcable

The profile used across our windows and doors comprises a fully recyclable design, ensuring they offer market-leading standards of performance and design in a sustainable way. It also makes them environmentally friendly for a greener home improvement solution.

Bluemanor Windows

Energy Efficient Profile

By using a multi-chambered design, all of our products are able to achieve an impressive level of thermal efficiency. This means that you can notably increase the potential heat retention of your home in a simple and stylish way that is perfect for your home.



Maximum Security

Embrace maximum security, and safeguard your home with double glazing products protected by state-of-the-art Yale shootbolt locking mechanisms.

Lifetime Mechanical Guarantee*

Once your double glazing product has been installed, you can rest easy in the knowledge that your product has been purpose-built to protect your home for the long-term. Each of our Yale shootbolt locks are guaranteed against mechanical failure for 10 years, *with the option to upgrade to a lifetime guarantee on completion of the installation.

£1,000 Security Guarantee

As a testament to the reliability of the Yale shootbolt locking system, your new double glazing product will come with a financial guarantee. In the unlikely event of a break-in, you will be entitled to an insurance pay-out of up to £1000.

British Standard Institute Specification (BSI)

Each stage of the Yale shootbolt manufacturing process involves rigorous testing against the latest BSI security standards pertaining to windows and doors. This guarantees you a top-of-the-range quality product every time.

Secured by Design

The Yale shootbolt locking mechanism has been officially accredited by the UK Police flagship initiative Secured by Design. This landmark accreditation endorses the Yale shootbolt as one of the most durable security products on the market in 2018.

Liniar Profile

The Liniar uPVC profile is a market leader in design and performance. Don’t settle for less than unrivalled standards of thermal efficiency, security and aesthetic.



This profile works to break up mini-convection currents and trap in pockets of warm air to keep you warm.


Unique Glazing Flipper

This innovative feature is put in place to reduce cold transfer, water ingress and noise pollution.


Drainage Properties

Intelligently designed contours allow this profile to maximise natural drainage and prevent moisture.


Superior Gaskets

Keep the weather our with these double-action gaskets, maintaining tight weather seals throughout.


Thermal Dam

This unique feature captures and intelligent design that works to reduce heat transfer for a warmer home.


100% Lead-Free

The Liniar profile is manufactured using a lead-free process, which is better for the environment.

Features & Benefits

1. Master Craftsmanship

Featuring an elegantly slim design, our flush sash casement windows are expertly crafted to let in more light, whilst simultaneously maintaining a wonderful aesthetic. The beautiful uPVC woodgrain effect stays true to the classic timber look, and will be a charming addition to all Essex homes.

2. Low Maintenance

Although our flush sash casement windows stay true to the timber aesthetic, they bypass any of the age-old setbacks. Timber features a risk of warping, twisting or discolouring. Flush sash windows will not need any repainting, and can be simply wiped with a damp cloth to keep a fresh, full appearance.

3. Versatile

Flush sash casement windows need not be just an addition to your home, they can also be an extension of your personality. You can completely personalise your flush sash windows, even down to how they open. Choose from our vast range of colour and designs, and tailor your windows to you.

4. Consistent Protection

Our flush sash casement windows feature continuous bubble gaskets, that offer a wide range of benefits. They not only stop moisture build up and draughts compromising your comfort, they also allow our windows to be capable of achieving an exceptional A+14 window energy rating, the highest level quality products on the market.

5. Intelligently Designed

Achieving the best in flush sash casement window quality, Liniar’s innovative 6 chamber design is installed to greatly increase thermal efficiency. Our flush sash casement windows also feature integrated reinforcing, which consists of internal structures that ensure an enhanced level of inherent strength.

6. World Class Security

All of our flush sash casement windows are outfitted with Yale’s high security, multi-point shootbolt locking system. These not only achieve exceptional standards of home security, they are also accompanied with a 10-year mechanical guarantee, and a £1,000 security guarantee in the event of a break in due to the failure of the lock.

Obscure Glass Options




Charcoal sticks















Handle Options






Monkey tail

Flush Sash Casement Windows Prices

If you’re interested in our flush sash casement windows, then get a free, instant and easy online quote from us today, and benefit from our superb and highly competitive prices in the Essex area.

If you require more information, don’t hesitate to get in touch via our online enquiry form. A member of our friendly and helpful team will always be on hand with a prompt and informative response.


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