Cost of Double Glazing a 3 Bed House UK Guide (2024)

The average cost to replace windows in a 3 bed house in the UK ranges from £4,000 to £7,000, with potential expenses reaching up to £16,000, according to our extensive research. Compared to other window options, this price range is higher than single or secondary glazing cost, but lower than the average triple glazing cost.

It’s also important to consider all the factors that affect the total price of double glazing your 3 bedroom house. These include the window type, frame material, as well as the complexity of the installation process.

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. If you're thinking of opting for wooden double glazed windows, 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.

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.

If you’re finding it overwhelming hunting for the best double glazed window prices, or you’re not sure which installers to rely on, we can help.  

By completing our quick and simple form, we can provide you with up to 4 free quotes from reliable double glazing installers in your area. Comparing offers means that you can find the best deal for your home and avoid seemingly endless googling, trying to track down the right people!

Double glazing a 3-bedroom semi-detached home will cost between £4,000 to £8,000 on average. Prices can go up to £16,500 or more if you request more elaborate styles, large sizes, or more expensive frame materials.

For instance, installing 8 uPVC casement windows in a semi-detached house would cost around £3,940, while ten wooden sash windows would cost roughly £11,100. As a result, the average cost per window can vary depending on your choices.

For example, a single uPVC window typically ranges from £200 to £1,065, while a wooden window can cost between £300 and £1,600, and aluminium windows fall between £260 and £1,390.

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 £1,190 to £2,700,, depending on the type of frame you desire.

Searching for grants to help cover the costs of double glazing a 3 bed house is a great way to avoid overspending on your new installation. However, at present, there are only a limited number of options available. These are: 

Checking if you’re eligible for any of these grants can help you reduce the average cost of replacing windows in a 3 bed house in the UK, particularly if you live in a low-income household.  Even if you are not eligible, you can still find great deals on double glazing costs by comparing quotes.

Thankfully, you don’t have to spend hours looking for  installers on your own. With our free, non-binding service, you can complete a 30-second form and receive up to 4 quotes from double glazing installers in our trusted network. Then, simply compare quotes and choose the installer you want to work with. Click below to get started!

It typically costs between £4,000 – £16, 500 to replace the windows in a 3 bed house in the UK with double glazing, including installation. Opting for uPVC windows can lower costs, which you might consider if you need to replace your double glazed windows on a budget. 

Please keep in mind that these prices are just an average. You may find prices outside of this depending on the quality of the window, potential discounts, and your installer’s rates. This will also be affected by the window style and material, as shown below:

Casement and sash windows are the most widely available options, so  it’s likely that you will  find varying prices for these two types in particular. If you wish to have different window styles for different rooms in your home this will also affect the overall price.

If you’re looking to reduce your heating bills and your carbon footprint by double glazing your 3 bedroom house, then the next step is to find a reliable installer to work with. 

With so many local double glazing installers out there, it can be difficult to know which one to choose. Many of us automatically opt for one of the larger nationwide companies, however, if you don’t consider local installers, you could miss out on some great deals. 

Fortunately, finding the right installer doesn’t have to take days. With our simple free quotes service, you can receive up to 4 quotes from installers near you in no time. This way, you can easily secure the best deal for your home and find the right installer for you. Simply click below to request quotes in just 30 seconds!