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Why get double glazing?

  • Save up to £195 per year on energy bills
  • Improve your property's value
  • Reduce outside noise

Wooden Double Glazed Windows

Wooden window frames can last up to 60 years

There are two types of wood to choose from: hardwood and softwood

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Wooden double glazed windows cost more than uPVC ones, but that doesn’t stop them being a popular choice for many homeowners.

They’re traditional and elegant, and it doesn’t hurt that installing double glazed windows can help turn an average house into a warm, cozy homestead. 

But how many types of wood are there? How much will wooden windows end up costing you? And which companies sell them? Read on to find out everything you need to know before investing in wooden windows. 

Alternatively, you can skip the reading and head straight to our details form. Once you’ve filled out your details, our professional installers will be in touch shortly to offer free quotes and help get the ball rolling. 

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Wooden window

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Types of wooden windows

So, you’ve managed to narrow down the list of materials to wood. Well, the good news is that you’re one step closer to a warmer, more stylish home. The bad news is that you now have to decide what type of window and wood you’d like. But that’s what we’re here to help with. 

Unlike other window material options, wooden windows are normally limited to three styles: sash, casement, and bay. Not all window companies will offer bay wooden windows, but pretty much all of them supply casement and sash windows. 

Let’s take a more in-depth look at these three main options, but before that our guide on double glazing costs has more general information on what you might expect to spend. 


What are sash windows? Sash windows have one or more movable frames, which open by sliding via a mechanism attached to the frame. 

Many people couple wood with a sash style window for their home. After all, wood and sash window frames have something in common: they’re both excellent for maintaining a traditional aesthetic charm. 

Sash window


What are casement windows? These windows are attached to their frame by one or more hinges at the side. Casement windows are often held open in position using a metal bar with hooks, known as a casement stay. 

This type of window gives your home a more contemporary look, while the wood feature will simultaneously maintain the traditional aura – it’s the best of both worlds! 


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What is a bay window? Bay windows project outward from the main walls of a home. Three or more windows usually project at 45° or 90° angles, to form a box bay window. This type of window works particularly well for smaller properties.

If you manage to find a local company that will install bay windows, it can add an extra bit of space to your home. Using wood for this style of window will also add a traditional touch to it.


So what are your options?

You have several options to choose from with wooden windows. We wish it were as simple as choosing one type of wood, but there are a few more things you need to decide on. 

The best place to start is to distinguish what category of wood you’d like. Each type of wood is split into two categories – softwood and hardwood and each one has its own set of benefits to flaunt.

What is softwood?

  • Versatile wood, available in a painted finish only
  • Much cheaper than hardwood 
  • Suits contemporary and period-style homes
  • Easier to work with various styles
  • Most popular choice: Douglas fir

What is hardwood?

  • Naturally strong, high density, durable wood 
  • More weather resistant
  • Available in both painted or stained finish
  • Generally does not require additional preservative treatments
  • Most popular choice: oak

Both options have enticing aspects, and could provide the finishing touch to your home. According to the World Wildlife Fund (WWF), despite being the cheaper option, 79% of timber windows sold in the UK are softwood frames. 

So don’t let the lower price deceive you. Something labeled as ‘cheaper’ can create the illusion of flimsy material that will break at the slightest gust of wind. Both options are brilliant, but if you’re on a budget, softwood it the option for you.

Take a look at: The Best Double Glazed Windows

Cost of wooden windows

Generally, wooden windows are a nice middle-ground. They are more expensive than uPVC frames, but less expensive than aluminium. The cost of each frame will vary depending on size, but what sort of price ranges can you anticipate? 

Below, we’ve created a table to show the average prices you can expect to pay for different sizes of windows. Since sash and casement windows are the most popular styles of window (and most companies only offer a choice between them), these are the two we’ve chosen to compare.

Types of window
Measurement (mm)
Casement625 x 1045£459
Casement910 x 1045£555
Casement 1195 x 1045£736
Types of window
Measurement (mm)
Sash630 x 1045£659
Sash855 x 1045£766
Sash1080 x 1045£828

As you can see, sash windows are more expensive than casement in each size. But remember – these are just averages of what you can expect. There will be lots of other factors to take into account when looking overall costs, such as:

  • Installation costs – Installation costs are added on top of the price of the window. We can’t give an exact price for this, as most installation prices will vary depending on your location, the size of the window, and whether there is any existing structural damage. 
  • Choice of wood – As mentioned above, hardwood is more expensive than softwood
  • Measurements – The bigger the window, the bigger the cost
  • Whether the windows are installed upstairs or downstairs – Second-floor installations require additional equipment, such as scaffolding, ladders, and safety harnesses. Setting up this equipment will also extend the duration of the project. 

Wooden window companies

If you’ve already started your research, you will no doubt have come across the UK’s many window suppliers. However, not all of these supply wooden windows. 

Below, we’ve listed the four main national window installers in the UK. You can check out which companies supply wooden windows below:

Wooden windows
uPVC windows
Aluminium windows
Anglian Home ImprovementsYesYesYes
Safestyle UKNoYesNo
Zenith Home ImprovementsNoYesNo

Anglian and Everest are both excellent installers to go with. That said, for us, Anglian is just one step ahead in this war of the windows. Why? Well, they install wooden frames for casement, sash, cottage, bay, and flush windows. Everest, on the other hand, can only do casement and sash, similar to many other installers. 

But you’re not just limited to these national companies – you can also go local. To give you an idea of what to expect, we’ve collated the best local window installers in the UK’s major cities:

Rating on TrustAtrader
LondonSpecial FX Double Glazing Ltd4.78/5
ManchesterManchester Window Factory4.9/5
BirminghamDNA Home Improvements Ltd4.75/5

You can also find local installers in smaller towns across the UK, not just major cities. But hopefully, this will be a nice starting point in your search for a local installer.

Wooden vs other types of windows 

Let’s get straight to the point – wooden windows cost more than uPVC (the UK’s most popular choice of window material). But what they lack in sheer affordability, they gain in demonstrable quality. 

There are a number of benefits to choosing wood over plastic – particularly wood’s eco-friendliness. If dealt with appropriately, wooden window frames can be totally renewable, meaning they can be recycled or reused properly if they need replacing. And yes, uPVC is cheaper, but it consists of 43% non-renewable materials. Just think of your carbon footprint!

Plus, if you live in an old building, opting for wooden double glazing will keep the aesthetic intact. Even better if you opt for a style that matches the building’s era, such as Georgian windows.

But what other advantages do wooden windows offer? Check them out below:

More eco-friendlyCheaper
Lasts longer than uPVCRequires less maintenance
Increases property value
More eco-friendlyMore weather resistant
More insulating Easier to maintain
More aesthetically pleasing

Want to see really how much these types of materials differ in price? Check out our window cost calculator below. You can input the style and material you’d like, and it does all the hard work for you. 

How long do wooden windows last?

Wooden windows have an estimated lifespan of 60 years! That’s right – 60 long, healthy years. But that’s as long as you keep your windows safe from mould or rot.

By contrast, uPVC has an estimated lifespan of just 30 years, so it’s worth figuring out whether you can afford to fork out a few more pennies now to save more in the long run.

Find out more about how long windows last and the factors that can affect this by going to our page.

Guarantees for wooden windows

One of the main downsides to wooden windows is the maintenance involved. Luckily for you, we have a solution: guarantees.

When you purchase your timber windows, the double glazing manufacturers will provide guarantees, which can help you maintain your windows. Before buying, always check with the supplier which guarantees are included within your quote, and how long they last.

Here are the most common and useful guarantees offered by leading wooden double glazing manufacturers:

Typical length offered
Insect and fungal infectionThe manufacturer applies a coat of anti-fungus and rot prevention treatment to finish your windows10 – 30 years
Sealed unitsMost double glazing manufacturers offer a guarantee on sealed panels. If you spot any issues with your panes that are caused because the seal has dried out within this time, they should repair or replace the sealed units for you.10 years
HardwareHardware guarantees apply to the fixtures that come with your windows, e.g. frames, handles, sashes, hinges10 years
WorkmanshipThis guarantee is similar to a typical manufacturer’s warranty. The company who are fitting your window may also offer a guarantee to ensure they carry out a quality job when fitting your windows.5 – 10 years
Paint finishesMost wooden double glazed windows come with a paint finish. The guarantee means no additional painting should be required for the length of the guarantee period.5 – 8 years
Wood stain finishesWood-framed windows should also be treated with a protective wood stain finish. This guarantees that you will not need to stain or treat the window frame for the guarantee period.5 years

Pros and cons of wooden windows

Sustainable optionIncreased initial cost
Should last up to 60 yearsHigher maintenance 
Increases thermal performance Ongoing maintenance costs 
Aesthetics – suitable for a period property
Increases property value
Varieties of wood stain colours

Next steps

Starting to be wooed by wood? You’re not the only one! Since 2014, while the number of installers fitting uPVC windows and doors has remained largely unchanged, there has been a 25% increase in timber installations.

It’s not hard to see why people are choosing wooden windows over uPVC – just look at the pros and cons above. If you think wooden windows could be the next big addition to your home, make sure to shop around for the right installer. 

You can get more guidance, as well as free quotes, from our local installers. All you have to do is fill in our details form, and they’ll be in contact shortly. Welcome your new wooden windows with open arms – we certainly wood.

Written by:
Beth has been writing about green tech, the environment, and climate change for over three years now – with her work being featured in publications such as The BBC, Forbes, The Express, Greenpeace, and in multiple academic journals. Whether you're after a new set of solar panels, energy-saving tips, or advice on how to reduce your carbon footprint, she's got you covered.
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