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Last updated: 2 May 2024

Timber Flush Casement Windows in the UK: Complete 2024 Guide

Timber Flush Casement Windows

Timber flush casement windows are highly versatile in that they can appeal to a variety of design sensibilities. Whether you'd like your windows to harken back to 19th Century England, where flush windows first came into prominence, or you prefer more contemporary aesthetics, these windows can enhance your vision in either case. 

Flush casement windows are a classic style of window that continue to stand out among the range of styles available today. Rather than a standard 'lipped' window where the window unit protrudes from the frame, in a flush casement window, the window sashes are fitted flush to the frame. 

This creates a smooth surface between the frame and the window. These windows are admired for their minimalist charm and elegant appearance. 

In this article, we'll explore some of the many ways you can incorporate timber flush casement windows into your home and some of their main advantages and disadvantages. 

We'll also delve into the associated costs. At GreenMatch, we can even help you save money on the total costs of new timber flush casement windows by providing you with up to 4 quotes from some of the best installers based in your area. 

Rather than sourcing the best installers by yourself, which would usually take several hours of research, get your tailored quotes directly with GreenMatch by filling out a simple 30-second form. With multiple quotes to compare, you're sure to find a good deal and save money on installation. Our service is free, fast, and comes without any obligations. 

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How much do timber flush casement windows cost in the UK?

Considering the range of sizes that these windows may come in, you can expect to pay somewhere between £315 - £1,615 for some new timber flush casement windows. 

Compared to standard timber casement window replacement, flush windows will come in slightly more expensive, given their more intricate design. Timber is also rather pricey compared to other popular materials, such as uPVC or aluminium. 

In the table below we've broken down these window prices according to size. The costs below are supply costs only, not including installation.  

Timber flush casement windows vs. Standard timber casement windows
SizeStandard timber casement windowsTimber flush casement windows
600 x 900mm£240 - £990£315 - £1,290
900 x 1200mm£300 - £1,065£390 - £1,385
1400 x 1400mm£345 - £1,240£450 - £1,615

The prices above are cost estimates based on our extensive market research, meant as a guide only. 

The cost of your new windows will depend on the type of wood you prefer (hardwood or softwood) and can vary depending on any features you'd like to incorporate, such as handles, glazing bars, or advanced security features. 

When it comes to installation, you can get a true and accurate idea of what you will have to pay by obtaining multiple quotes and comparing them. This way, you'll learn the fairest prices in your area, and you can choose an installer that you know isn’t overcharging you. 

However, it's important that you only request quotes from reputable installers who have a proven track record of successful installations and happy customers. Therefore, finding installers can become quite a time-consuming endeavour, with some people spending days researching, contacting options, and waiting for quotes.  

You can save yourself this extra time and effort by letting us at GreenMatch provide you with up to 4 quotes directly. All you have to do is fill in our 30-second form so we can match you with the most suitable installers in your area. With GreenMatch, you don't pay a thing and you're under no obligation to accept any of the quotes you receive from us. 

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Ideas for flush casement timber windows

With some new timber flush casement windows, styling and design options are limitless. Below, we've listed a range of possibilities, based on popular uses of timber flush casement windows, and to show the variety of options available to you. 

Scandinavian-style  

Timber Flush Casement Windows - Scandinavian

Timber flush casement windows have become a popular addition in homes that feature the Scandinavian design aesthetic. 

Characterised by its minimalism and clean lines, with neutral tones and colour palettes, this style brings elegance and peacefulness to any home. Because of these reasons, the Scandinavian design aesthetic has become instantly recognisable and popular in the UK today. 

Natural materials like timber are commonly found in Scandinavian-leaning homes. This, combined with the smooth and simple effect created by some flush frames, make these windows an especially effective choice. You can opt to keep your windows their natural tone, or even have them painted to bring a pop of colour that stands out compared to the rest of the room. 

Traditional cottage 

Timber Flush Casement Cottage Windows

If you prefer a more traditional, old-English style to your home, then some flush timber casement windows can also be the best choice. With double casements and with the addition of some glazing bars, these windows perfectly match the countryside, cottage aesthetic. 

The simplicity of some flush frames appeals to cottage style since it appears more bared-down, like working cottages from a bygone era. 

Bay windows 

Timber Flush Casement Bay Windows

Bay windows can truly transform your home from the inside and the outside. Bay windows are made up of 3 panels which form a structure that protrudes from the side of your home. From the inside, you can open up your room with some additional living space. 

These windows are more large-scale by design, pairing them with some timber flush casement windows creates even more interest. Flush frames create a visually arresting detail that, combined with timber, adds to the grandiose and luxury that bay windows exude. 

Wooden shutters

Timber Flush Casement Windows - Shutters

For inward-opening casement windows, some complementary shutters can be a nice addition that enhances the romantic appeal of your entire home. 

Fitting some shutters onto your flush casement windows works well since they can mirror each other, in that they are both side-mounted and operate the same way.

Adding wooden shutters to your window will not only improve the privacy and the aesthetic appeal, but it will also improve the insulation and the temperature regulation in your home. The only downside of adding wooden shutters is that they will also require maintenance over the years.

Glazing bars 

In terms of styling, glazing bars are a typical feature of flush timber casement windows that add some dimension and a traditional charm. Glazing bars can either protrude from the surface of the glass panel, known as astragal bars or be laid internally, known as Georgian-style bars. 

Either way, they give the impression of several small glass panels within one frame, that appeal to traditional design aesthetics. Glazing bars are popular in grand city houses or in countryside homes. 

 

Pros and cons of wooden flush casement windows

While there is certainly a lot to love about wooden casement windows with flush frames, they are not without some drawbacks. Take a look at the main advantages and disadvantages of these windows below. 

Advantages of wooden casement windows

Pros
  • Aesthetics: These windows can blend with various architectural styles, from traditional to contemporary, enhancing the overall aesthetics of a property potentially increasing your property value.
  • Energy efficiency: Timber is one of the most thermally efficient window materials you could possibly install. Flush frames also reduce the gaps between glass and frame which helps prevent heat loss.
  • Long lasting: Wooden windows can last longer than most other materials. When properly maintained, timber windows can last upwards of 50 years.
  • Easy cleaning: Both sides of inward-opening casement windows can be easily accessed for cleaning.

Disadvantages of wooden casement windows

Cons
  • Expensive: Timber windows are typically more expensive upfront compared to other window materials like uPVC or aluminium. Flush windows are also marginally more expensive than standard ‘lipped’ windows.
  • Maintenance: Timber windows require periodic repainting or revarnishing every 1-5 years. Failure to keep up with maintenance can lead to structural issues like warping and rotting.

Is a wooden flush casement window something for your UK household?

So, are new wooden flush casement windows worth the investment? They are a highly distinct design choice that can become the focal point of your home. With that being said, some people might find the considerable upfront cost unfeasible. 

In this case, you might be better suited to some flush uPVC frames with a woodgrain finish. These windows are significantly less expensive while still resembling timber and requiring far less maintenance. 

Another key way you can reduce overall costs is by comparing quotes from the best installers in your area. It's advisable to collect fixed quotes from a minimum of 3 local installers. By doing so, you can compare offers and choose the one that offers the most competitive rate. 

However, you can spend several hours researching the best installers in your area, and still end up unconvinced by your options. Save yourself this time and hassle by getting your quotes from GreenMatch. We have a whole network of pre-vetted installers ready to offer you their fixed and tailored quotes. We will only connect you with those based in your local area so that you can benefit from the best local rates. 

Within 48 hours of completing our 30-second form, you'll hear back from up to 4 professional installers. Simply click the button below to get started. 

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