Flush Casement Windows

Manufactured & fitted by your local suppliers
in Littlehampton, West Sussex

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Flush Casement Windows

  • If you’re looking for a classic window style for your home, flush casement windows may work for you. Sitting flush against your home, with a traditional, period styling, these windows add a sleek aesthetic and a touch of character to your home.

    While flush casement windows are classics, they can be made to suit both traditional and modern homes. This is because Kayvex offers a wide range of finishes, colours and decorative options from leading to stained glass. You can opt for something as simple as white uPVC or opt for timber or coloured frames with intricate decorations, the choice is yours.

    No matter what style options you choose, your windows will be made to the same high quality. This means your windows will be energy efficient, maximise the natural light to your home and be safe and secure, so you can feel confident about having these flush casement windows installed on your property.

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    Lifetime Guarantee
    10-year manufacturer’s guarantee.

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    Tailor Made
    Classic windows tailor made to your exact specifications.

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    100% Satisfaction
    Award-winning customer service and after-care support.

  • Safe and Secure – security features are inbuilt and have been independently tested and approved

    Energy Efficient – designed to deliver the highest performance in thermal efficiency, retaining maximum heat in your property

    No Draughts or Leaks – manufactured to the highest quality, to provide a weatherproof solution. The seamless welds and performance glass will put an end to draughty windows

    British Made – manufactured in the heart of of the South West in our very own factory

    Quality Assured – offering peace of mind and assurance with an ISO 9001 accreditation

    Guaranteed – a 10 year guarantee that the product will not warp, split or discolour

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    Flexible monthly payments

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    Interest free credit

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    Buy now / pay later

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    No finance required

Classic and contemporary styles

While these windows have been made using good, old-fashioned joinery techniques, at Kayvex, we’ve also used state of the art materials and methods to ensure these windows are suitable for modern homes and that they’re built to last.

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Common questions

What is a casement window?

A casement window is a classic style where the windows are hinged at the side or the top, allowing them to swing open. You can choose to have one or multiple windows in each frame, and this style is very versatile. Top-hung casement windows open at the bottom, allowing for a slight breeze and some fresh air in the house, while the angle of the window keeps your interior safe from rain. 


Side hung casement windows are one of the most common casement windows you’ll see in peoples’ homes. These windows swing open outwards, allowing you to let lots of fresh air inside during the summer months.

Is there a difference between casement and picture windows?

Picture windows are generally made of one large pane of glass and are often put in places where you want to enjoy the view. They don’t have handles or internal frames, which mean these windows don’t open.  

A casement window can open, which is great for when you need some fresh air. However, the view may be slightly more obstructed by the handles and frame. This means casement windows are generally installed in living areas, from living rooms to bedrooms, while picture windows are better for areas that simply need more light, like hallways.

What do flush casement windows cost?

The cost of flush casement windows will depend on a number of factors. Firstly, the size of the window, as well as what material you choose; uPVC tends to be the least expensive option while timber and aluminium will cost a little more. It’ll also depend on what finishes you choose – whether you opt for something plain or go for woodgrain finishes and colours – and whether you want any decorative features like leading.

Another factor is the cost of installation. If you’re just replacing a window, like for like, this is usually a straightforward job, but widening or narrowing a window frame will be more labour intensive.

Can flush casement windows make your home more energy efficient?

When you choose flush casement windows from Kayvex, your windows are built by experts who carefully measure your frame and create windows that are the perfect fit. These windows are high quality and completely draught free, so the cold air doesn’t get into your home and the heat doesn’t escape, saving you money on your energy bills.

Our windows are double-glazed as standard, which improves energy efficiency in your home, but you may want to consider triple glazing for even more protection from the elements and noise reduction. Our team will be happy to tell you about the options for glazing your flush casement windows.

Are flush casement windows secure?

Kayvex work with the UK police to create the most secure windows possible. All our windows, including our flush casement windows range, are extremely difficult to break into and have secure locks, so you can feel safe in your home.

Our flush casement window have hook-shaped locks, which make our windows extremely difficult to access from the outside. This also makes them nearly impossible to pry open. Newer windows are also a good deterrent against intruders, as they know how difficult it is to break into them.

Is it worth installing flush casement windows?

New windows can be a good investment for all sorts of homes. Flush casement windows can give your home more light and ventilation, so it feels lighter and more open, and they can improve the interior and exterior look of your home. Another great thing about new windows is that they improve your home’s insulation. The tight seal on these windows helps your home stay warm in winter so you can cut your energy bills, and the double or triple glazing can cut down on noise, perfect for those who live in busy areas.

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We have various low cost finance options available. Get a quick quote and apply for finance at the same time.

Features and benefits

Guarantees you can depend on.

We have built up a great reputation over years of delivering a first class service and excellent products, all from our local, no nonsense all-about-you company.

From characteristic country cottages to contemporary town houses, we’re confident that our products will offer a style and finish to truly transform your home. Through constant innovation the quality, durability and security of our products is genuinely second to none. As a local company we are proud to offer British Standards BS7412/PAS24 for enhanced security.

We refuse to compromise on quality

Our windows are made from British Made, high quality MarinespecTM components, with up to 25 years anti corrosion. They are built specifically for the more exposed areas of corrosion, such as coastal environments to give you worry free performance beyond your guarantee.  We believe spending more on components is worth every penny, and sets us apart from our competitors.

State of the art fabrication for best quality

We have invested millions of pounds into one of the most state of the art manufacturing facilities in the UK.  This enables us to provide you with consistently high quality products at exceptionally good prices. Our loyal factory workers are well trained and take pride in their work, they really care about quality.  Our machines are maintained according to a rigorous servicing regime to keep them in top condition.

Superior energy efficiency

Our ‘A’ rated energy efficient and triple glazed windows are tested by the BFRC, which will save you money on your heating bills. By law your windows and doors have to meet strict thermal performance regulations but you can be rest assured that our products exceed current requirements.

Energy saving is incredibly important and so is keeping your fuel bills down. We are continuously looking for ways to make our homes energy efficient and one way is to choose new PVCu windows and doors. Not only will they help to keep your home warmer, they will reduce your energy loss.

Don’t just take our word for it!

Our suppliers conform to strictly controlled and independently monitored Quality Management Systems such as ISO 9001, to ensure that everything is done correctly and according to best practise.

Our windows are tested independently by British Standards for security, weather tightness and strength performance. This means that periodically, we have to send them to independent test houses, in order to be tested to destruction.

These are just some of the many standards the products in our vast range conform to. Needless to say we take the quality of our products very seriously indeed.


Made to measure

The styles available are endless and the choices to suit your home are bigger than ever before. Traditional, contemporary or modern; our versatile window and door designs will create the look you want to complement and enhance your home. If you want windows that are as individual as you, our range of coloured and woodgrain windows offer you fifteen different colours and finishes.

A local business that really cares about its customers

Our sales consultants, surveyors, admin team and installers really care about you and your home. They are highly trained, motivated and want to go the extra mile to do the best possible job. Our fitters will treat your home with care and respect and will take time to ensure that you are delighted with the end result.

With a local showroom including an extensive display and experts on hand you can see before you buy and meet the team!

An effortless purchase process

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