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Last updated: 12 January 2024

Cost of Double Glazing a 3 Bed House (UK): Explained

Double Glazing 3 Bed House UK

Double glazing is the process of using two panes of glass instead of one in a window or door and it has a number of benefits well worth considering such as increased energy efficiency due to double glazing allowing to reduce heat loss, better comfort, noise reduction and even better resale value.

Therefore, double glazing is one of the best ways to insulate your 3 bed home and save on your heating bills. Even though double glazing is financially beneficial in the long run, you still need to consider the upfront costs.

The cost of double glazing a 3 bed house in the UK depends on a variety of factors. Firstly, factors relating to the window itself, such as the window size and window type. And secondly, factors relating to the installation, such as whether you opt for a local or nationwide installer, and whether you only need replacement double glazed units or a whole window replaced.

In this article, we’ll talk you through the average cost for double glazing a 3 bed house in the UK, whether you live in a semi-detached home, a terraced house, or another type. We’ll cover the average costs for the different kinds of frames and window types, so you’ll be able to get a good idea of what it costs regardless of which type of design you prefer.

If you’re not interested in average prices and just want to know what it’ll specifically cost you based on your own personal needs and preferences, that’s also something we can help with.

Simply click the button below and you’ll receive up to 4 quotes from qualified installers in your area. This also means that you can easily compare the offers side by side and ensure you’re choosing the best deal. All of this is free and with no obligation.

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Cost of double glazing a 3 bed house

There are many factors to take into consideration when it comes to the cost of double glazing a 3 bed house. This includes the type of window you’re looking for, its size, and frame material. As well as, of course, the number of windows you need double glazed for your home.

In the table below, you can see the average cost of double glazing 1 window based on the material of the window frame:

Average cost of double glazing 1 window*
uPVCWoodAluminium
£635£800£775
*Estimates are based on 900 x 1200mm single window units

As you can see, uPVC windows are on average the cheapest. This is also one of the main reasons why they’ve become a popular choice in the UK. If you’re thinking of opting for wooden double glazed windows then you’ll also need to think about whether you would like hardwood or softwood. Softwood is generally cheaper, as it typically takes less time to grow and process.

As well as the frame material, you also need to think about the style of window you’d like for your house. Sash windows are great for adding some character to your home, while tilt & turn windows offer flexible ventilation.

The table below shows the average cost for double glazing 1 window, based on window type and frame material. Steel is not included in the table as it is not as commonly used in UK homes compared to the other materials.

Average cost of double glazing window type in 3 bed house* 
Window typeuPVCWoodAluminium
Casement£550£640£610
Tilt & turn £680£850£740
Sash£740£1025£890
Bay£1,460£1,980£1,900
*Estimates are based on 900 x 1200mm single window units

From the table, we can see that casement uPVC windows are the cheapest on average. Bay windows, no matter the material, tend to be the most expensive due to their size and unique shape.

If you’re looking for the cost of double glazing a 2 bed house (UK) or the cost of double glazing a 4 bed house (UK) then you can also use the average prices from the two tables above to calculate the cost of double glazing your home based on the number of windows you have.

Whatever type of home you live in, you’ll want to find the best double glazing windows for it. However, as you can already see, there are an abundance of options to choose from. Furthermore, the prices we’ve mentioned in the tables above are only averages and so there are many windows on the market being sold for much lower and higher prices.

Finding and comparing different double glazed window prices all on your own can be overwhelming and take up hours of your time – thankfully, we can help you with this.

We can provide you with up to 4 free quotes from qualified double glazing installers in your area, which you can then compare side by side and choose the best offer.

Simply click the button below to get started.

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Average cost for double glazing 3 bed semi (UK)

A semi-detached house is when your home shares a wall with only one other house and likely has windows on all of its other sides. Semi-detached homes with 3 bedrooms are likely to have 8-10 windows in total. So what are the double glazing costs for a 3 bed semi house?

The average cost for double glazing a 3 bed semi in the UK, will not only depend on the number of windows you have, but also the type of window and frame material you would like.

For example, installing 8 uPVC casement windows in your semi-detached home would cost roughly £4,360. Whereas, installing 10 wooden sash windows would cost about £11,700.

Cost of double glazing a 3 bed terraced house

A terraced house is when your home is one of a row of similar houses which are connected by their side walls. Terraced houses typically have 2 or 3 bedrooms, with 3 bed homes typically having around 8 windows.

Like with other types of houses, the cost of double glazing a 3 bed terraced house will depend on multiple factors, such as the window type and frame material.

If you wish to install 8 double glazed uPVC sash windows in your terraced house then you can expect it to cost about £6,000.

Many Victorian terrace homes in the UK have a bay window in the living room, so if you’re looking to replace this then it could cost you about £1,500 to £2,430, depending on the type of frame you desire.

Window Grants in the UK

window grants uk

Searching for grants to help cover the costs of double glazing a 3 bed house is a great way to maximise your budget. At present, there are only a limited number of options available when it comes to covering costs for double glazing.

Primarily, there is the Energy Company Obligation (ECO). This scheme is now in its 4th iteration (ECO4) and is intended to run until the 31st March 2026. The goal of this scheme is to lower the UK’s energy consumption as well as support those who are living in fuel poverty.

Double glazing, whether it’s for double glazed doors or windows, is considered to be an energy efficient home improvement, therefore, it is covered by the ECO4 scheme. The efficiency of double glazing is also great news for both reducing your energy bills and carbon footprint.

There are a number of eligibility criteria you must meet in order to receive the ECO4 grant. However, the new ECO+ scheme was introduced in spring 2023, which is available to help a wider range of UK homes that have an efficiency rating of D or lower. The government predicts that it should help save households £310 a year on energy bills.

Regardless of whether you are eligible for these grants or not, it’s still important to get the possible deal on double glazing and save costs where you can. In order to get the best deal and ensure that you’re not being overcharged, you should always compare prices from the best local double glazing companies available to you so that you can objectively choose the best offer.

But how do you find these offers and how do you know which double glazing companies are available in your area? At GreenMatch, we can help connect you with up to 4 qualified window installers from our network.

This way you can quickly compare their prices and find the installer who can best help you with double glazing your 3 bed house.

Our service is completely free and you’re under no obligation to accept any of the offers you receive. Click the button below to get started.

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What is the average cost of double glazing a three-bed house?

Average cost of double glazing a 3 bed house in the UK*
uPVCWoodAluminium
£5,080 – £6,350£6,400 – £8,000£6,200– £7,750

It typically costs between £4,400 – £7,300 to replace the windows in a 3 bed house in the UK with double glazing, including installation. 

As you can see from the table, uPVC windows are the cheapest option for a 3 bed house in the UK whereas steel windows are typically the most expensive. If you’re looking to replace your double glazed windows, then it may be worth considering opting for a cheaper frame material if your priority is to save money.

However, please keep in mind that the prices in the above table are just the average costs of double glazing a 3 bed house in the UK. Therefore, you may find prices outside of this range depending on the quality of the window, potential discounts, and your installer’s rates.

If you are also interested in knowing the average cost of double glazing a 3 bed house based on the window type as well as the frame material, then we have calculated some estimates in the table below:

Average cost of double glazing window types for a 3 bed house
Window typeuPVCWoodAluminium
Casement£4,400 – £5,500£5,120 – £6,400£4,880 – £6,100
Tilt & turn£5,440 – £6,800£6,800 – £8,500£5,920 – £7,400
Sash£5,920 – £7,400£8,200 – £10,250£7,120 – £8,900
Bay£11,680 – £14,800£15,840 – £19,800£15,200 – £19,000
*These numbers are based on homes with 8-10 windows (900 x 1200mm)

Casement and sash windows are two of the most widely available options in the UK. So, it’s likely that you will be able to find prices well below and above the average range for these two types in particular. Also, of course, you may wish to have different window styles for different rooms in your home which will also affect the overall price.

How to get the best price on double glazing

With so many local double glazing installers out there, it can be difficult to know which one to choose. The best double glazing companies in the UK should all offer you high energy efficient windows in a range of designs with lengthy guarantees.

However, these companies can’t state exact costs on their website since every window installation is unique and has different requirements. This makes it difficult to know where you can get the best price on double glazing.

Furthermore, when looking for a double glazing installer, many of us automatically think about opting for one of the larger nationwide companies. However, if you don’t consider local installers, you could be missing out on some great deals. Local installers tend to be more personal and don’t have to charge extra to cover long travel costs.

This is why it’s important to compare quotes from a variety of double glazing companies, so you can feel confident in knowing what your options are and avoid being overcharged.

But how do you easily find out what different installers are offering for double glazing a 3 bed house in the UK? At GreenMatch, we can put you in touch with double glazing installers from our large network of accredited professionals. This will save you hours of your time as you don’t have to vet and call up each installer individually.

Select your region button below and you’ll receive up to 4 quotes from double glazing installers available in your area. This way you can objectively compare and choose the best price.

Furthermore, our service is completely free and there’s no obligation to accept any of the offers you receive.

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FAQ

Bronte McClelland
Written by Bronte McClelland, Writer

Brontë is an experienced writer and editor for GreenMatch. Her passion for sustainability and renewable energy drives her to stay at the forefront of green-energy trends.

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