The double glazing cost for a 3 bed semi will be dependent on quite a few factors, the supplier’s buying power being just one of them.

Going by the average double glazing cost however, it is likely to cost between £5000£7000 for a standard 3 bed semi home.

How Do You Calculate the Double Glazing Cost for a 3 Bed Semi?

National double glazing companies generally deal at the £300 per frame mark. A bay window for example, typically has 5 frames so in this instance the installation would cost a total of £1,500.

With these figures in mind, your double glazing cost for a 3 bed semi could fall between £4900 and £5300.

It’s important to note that no two companies will offer the same rates. This allows you to effectively ‘shop around’ and compare double glazing prices to secure the very best deal.

Replacing Sliding Sash Windows?

Take a quick look at how a UK couple went about fitting their new double glazed windows. There were 22 in total and it was a supply only job.

Not many homeowners are skilled at window installation. It can be a complicated task and a job you will want done correctly if you want to see any value from your new double glazing.

If you are looking for a trusted window installer near you, then start your online window quote here.

What is the Cost of Double Glazing a 3 Bed House in the UK?

You can find out what you should be paying for double glazed windows in your area today by looking at our window prices below!

uPVC Window Guide Prices

uPVC Casement Window Prices (Fixed Window)

Casement Window Size Colour Guide Price
500mm x 500mm White £150 – £175
500mm x 500mm Wood Grain £175 – £200
1000mm x 500mm White £175 – £200
1000mm x 500mm Wood Grain £200 – £250
1000mm x 1000mm White £200 – £250
1000mm x 1000mm Wood Grain £225 – £275
1200mm x 1200mm White £225 – £275
1200mm x 1200mm Wood Grain £250 – £300

 uPVC Casement Window Prices (1 Opener)

Casement Window Size Colour Guide Price
500mm x 500mm White £250 – £300
500mm x 500mm Wood Grain £300 – £350
1000mm x 500mm White £275 – £325
1000mm x 500mm Wood Grain £325 – £375
1000mm x 1000mm White £300 – £350
1000mm x 1000mm Wood Grain £350 – £400
1200mm x 1200mm White £350 – £400
1200mm x 1200mm Wood Grain £400 – £450
Casement Window Size Colour Guide Price
500mm x 500mm White £450 – £500
500mm x 500mm Wood Grain £575 – £625
1000mm x 500mm White £475 – £525
1000mm x 500mm Wood Grain £600 – £650
1000mm x 1000mm White £500 – £550
1000mm x 1000mm Wood Grain £625 – £675
1200mm x 1200mm White £525 – £575
1200mm x 1200mm Wood Grain £675 – £725
Casement Window Size Colour Guide Price
500mm x 500mm White £525 – £600
500mm x 500mm Wood Grain £625 – £700
1000mm x 500mm White £600 – £700
1000mm x 500mm Wood Grain £700 – £800
1000mm x 1000mm White £625 – £725
1000mm x 1000mm Wood Grain £725 – £825
1200mm x 1200mm White £725 – £825
1200mm x 1200mm Wood Grain £850 – £950
Tilt &Turn Window Size Colour Guide Price
800 x 800 White £400 – £450
800 x 800 Wood Grain £525 – £575
1000 x 800 White £450 – £500
1000 x 800 Wood Grain £550 – £600
1000 x 1000 White £475 – £525
1000 x 1000 Wood Grain £575 – £625
1200 x 1200 White £500 – £550
1200 x 1200 Wood Grain £625 – £675

Bay Window Costs

A bay window cost will vary between installers but you can get an average price for an installation with our free, online quoting engine. Simply enter the measurements of your bay window (see how to measure windows) and receive an instant bay window quote.

Start your free bay window quote.

In order to get an accurate online quote, please select a style of window to make up each section of the bay window individually.

Bay Window Prices (3 Section)

Casement Window Size Colour Guide Price
2400 x 1200 White £1050 – £1150
2400 x 1200 Wood Grain £1150 – £1250
2400 x 1500 White £1125 – £1225
2400 x 1500 Wood Grain £1250 – £1350
3000 x 1200 White £1150 – £1250
3000 x 1200 Wood Grain £1275 – £1375
3000 x 1500 White £1250 – £1350
3000 x 1500 Wood Grain £1375 – £1475

Bay Window Prices (4 Section)

Casement Window Size Colour Guide Price
3000 x 1200 White £1400 – £1500
3000 x 1200 Wood Grain £1525 – £1625
3000 x 1500 White £1500 – £1600
3000 x 1500 Wood Grain £1650 – £1750
3600 x 1200 White £1500 – £1600
3600 x 1200
Wood Grain £1650 – £1750
3600 x 1500 White £1600 – £1700
3600 x 1500 Wood Grain £1750 – £1900

Bay Window Prices (5 Section)

Casement Window Size Colour Guide Price
3600 x 1200 White £1850 – £2000
3600 x 1200 Wood Grain £1900 – £2050
3600 x 1500 White £1950 – £2100
3600 x 1500 Wood Grain £2050 – £2200
4000 x 1200 White £1900 – £2050
4000 x 1200 Wood Grain £2000 – £2150
4000 x 1500 White £2050 – £2200
4000 x 1500 Wood Grain £2150 – £2300

Bow Window Prices (3 Section)

Casement Window Size Colour Guide Price
2400 x 1200 White £1050 – £1150
2400 x 1200 Wood Grain £1150 – £1250
2400 x 1500 White £1125 – £1225
2400 x 1500 Wood Grain £1250 – £1350
3000 x 1200 White £1150 – £1250
3000 x 1200 Wood Grain £1275 – £1375
3000 x 1500 White £1250 – £1350
3000 x 1500 Wood Grain £1375 – £1475

Bow Window Prices (4 Section)

Casement Window Size Colour Guide Price
3000 x 1200 White £1400 – £1500
3000 x 1200 Wood Grain £1525 – £1625
3000 x 1500 White £1500 – £1600
3000 x 1500 Wood Grain £1650 – £1750
3600 x 1200 White £1500 – £1600
3600 x 1200
Wood Grain £1650 – £1750
3600 x 1500 White £1600 – £1700
3600 x 1500 Wood Grain £1750 – £1900

Bow Window Prices (5 Section)

Casement Window Size Colour Guide Price
3600 x 1200 White £1850 – £2000
3600 x 1200 Wood Grain £1900 – £2050
3600 x 1500 White £1950 – £2100
3600 x 1500 Wood Grain £2050 – £2200
4000 x 1200 White £1900 – £2050
4000 x 1200 Wood Grain £2000 – £2150
4000 x 1500 White £2050 – £2200
4000 x 1500 Wood Grain £2150 – £2300

You can get an even better estimate by using our online calculator to calculate the double glazing cost for a 3 bed semi.

It is extremely easy to use, and you get your unique quote in minutes.

What Are the Factors Influencing the Double Glazing Cost of a 3 Bed Semi?

Some of the very basic factors that influence the double glazing cost of a 3 bed house in the UK are the window sizes and styles, the material of the frames, add-ons and finishes. Other factors may include the rates of the installers, and the energy ratings you require.

How Do Different Window Styles Affect the Double Glazing Cost of a 3 Bed Semi?

The double glazing cost of your 3 bed semi depends greatly on size and style of your windows.

How?

Bigger sizes are naturally more expensive, adding to your overall cost for new double glazed windows. A small bathroom window might cost you £150.

A regular 1800mm x 1200mm on the other hand might cost upwards of £350.

Additionally:

  • Certain styles are easier to assemble and install, while others require more work. Every bit of extra effort translates into a slight increase in price.
  • As a result, the cost of double glazing a 3 bed house in the UK can vary wildly.
  • Some of the common window styles you have to choose from are casement, sash, tilt and turn, and dual turn.

double glazing a 3 bed house uk


Double Glazed Casement Windows

This is the most basic window style. It is a single or double door window with hinges on the side that attach it to the frame. These windows commonly open outwards with a handle, and are ideal for a low double glazing cost for a 3 bed semi.

Double Glazed Sash Windows

Sash windows are windows that open by sliding the pane upwards or downwards on a slider attached to the frame.

Double Glazed Tilt and Turn Windows

Double glazed tilt and turn windows offer a greater flexibility in ventilation for your home. They can be tilted inwards or outwards to provide limited ventilation, or turned or swung to open like a door.

Double Glazed Dual Turn Windows

Dual turn windows have two panes of glass that tilt outward to open. To see how much difference the window style can make to the double glazing cost of a 3 bed house in the UK, it’s important to note the difference in prices. A casement window of 60cm x 90 cm can be as low-priced as £250. A sash window with the same dimensions starts from £500!

The bad news is:

It is not always possible to go for the cheapest style. While you may want to change the style to save money on your double glazed windows, it might not always work out well that way.

The style may seem out of place in your neighbourhood if everyone else has a consistent window style. Also, it is best to stick to styles that are at least similar to the original window style.

The good news is:

Most of the times, the default windows for modern houses are double glazed casement windows!

Frames for Double Glazed Windows


double glazed windows


You have the option of 3 materials for your window frames in the UK – Aluminium, Wood, and uPVC.

Each of these have a different impact in terms of look, sustainability, and maintenance. Not only that, your choice could affect the cost of double glazing your 3 bed house in the UK. Wooden frames look the most natural, and are environmentally friendly. They give your property a traditional look. They are also energy efficient, and last a long time if properly cared for.

On the flip side, they are the also the most expensive. If you want to keep the double glazing cost for your 3 bed semi low, these might not be the best choice. They also require regular and intensive maintenance, like sanding, repainting, and waterproofing.

Aluminium frames look modern and are durable. They are lightweight, so handling costs are lower. They also have the highest number of colour options available, although they have a higher cost.

uPVC frames are the most popular frames in the country. What makes them so popular is the fact that they are lightweight, durable, energy-efficient, and cost-effective. Double glazed uPVC windows also provide the lowest double glazing cost for a 3 bed house in the UK!

Their only downside is that their appearance is not very natural. However, since they are available in all kinds of colours and finishes, you can easily get frames with a wooden finish. That brings us to the next factor that can affect the cost of double glazing cost a 3 bed house in the UK – the finishes and add-ons!

Finishes for Double Glazed Windows

While you may have the most basic casement windows and want basic uPVC frames, the cost of double glazing a 3 bed house might still be high.

How?

You may require add-ons and special finishes!

Let us elaborate:

While you are planning the look of your house, you might decide to go for chrome or gold handles instead of the standard white. These choices could affect the cost of double glazing a 3 bed house in the UK.

You might want a custom colour or finish too. However, that would add to the double glazing cost for a 3 bed semi as well.

Your requirements might include additional security, or additions like a cat-flap. These would add to the cost. This is just the frames and installation. There is also the glass and its treatment that affects the cost of double glazed windows.

Your windows installation might require toughened glass. If a sealed glass unit is going to be installed in a frame that is 800mm or less from the floor, it requires toughened glass. This is glass that is treated so that in the eventuality that it breaks, it will not shatter into dangerous shards, but into harmless crystals.

Even if toughened glass is not a part of your double glazing cost for a 3 bed semi, you might still want design features on the glass. Georgian bars or lead designs on the glass in your window units could add £30 to the cost of double glazing a 3 bed house in the UK.

Installer Costs for Double Glazing Near Me


double glazing installers near me


 

Unless you are a certified window installer, or really confident in your abilities to install or replace your own windows, you will have to factor in installation charges to the double glazing cost for a 3 bed semi.

Most suppliers will help you will installation services or at the very least, recommend reputed local installers.

The cost of double glazing a 3 bed house in the UK can be drastically affected by the installation costs. For example, a one-person local company might replace a single window unit for £50, but a large supplier might charge £75 for the same work.

Again, both have their own sets of advantages and disadvantages that you might want to consider while assessing the cost of double glazing your 3 bed house in the UK.

A local contractor will self-regulate their quality to make sure they maintain their reputation. They’ll also have lower overheads which will translate into a cheaper double glazing cost for your 3 bed semi. They might not have a minimum job size either.

Since they operate locally, you could ask to see other jobs that the installers have done, and maybe get reviews and feedback from previous clients.

On the other hand, they might not be as technically trained as installers from larger companies. While these companies have higher overheads – leading to higher rates – they have greater expertise, standardised services, and certifications too.

Thermally Efficient Double Glazing for your 3 Bed Semi

The thermal efficiency of your windows could help you save money over time.

How?

These windows offer much better insulation for your home, reducing your energy expenditure. As a result, you could factor these savings in the cost of double glazing your 3 bed house in the UK.

Double glazed doors and windows have two layers of glass with a pocket of air between them. This sealed pocket of air insulates the heater air inside the house from the colder air outside. As a result, the heating in your house does not need to work as hard.

Even an energy efficiency rating of C can lower your energy bills by up to £75 a year. However, you could reduce the cost of double glazing your 3 bed house in the UK over time by getting windows with A or A+ energy ratings!

What Else Affects the Cost of Double Glazing a 3 Bed House in the UK?

While the factors we have discussed thus far form the bulk of working out the cost of double glazing your 3 bed house in the UK, there may be additional factors that come into play.

For example, if you are replacing your windows instead of installing them in a new house, you also have to consider the cost involved in dismantling the existing frames and disposing them.

You may also have to pay for a survey and assessment, and there may be additional operating expenses. These could include scaffolding for windows that are not on ground level.

There may be other variables that affect the cost of double glazing for a 3 bed house in the UK. By simply shopping around during the slower months, you could get a lower rate. December is considered particularly slow and might be a good time to get quotes for new double glazed windows.

Additionally, most salespeople start with a higher figure. If you negotiate with your salesman, you might end up with a figure much lower than initially quoted.

By shopping around and comparing prices from various suppliers, you could save a lot of money on the cost of double glazing a 3 bed house in the UK!

You can start with getting a quick quote on our online double glazing cost calculator!

What Should the Cost of Double Glazing a 3 Bed Semi Include?

With our online quote, you do away with hidden costs or surprises that could affect the cost of double glazing a 3 bed house in the UK.

You will get a quote that includes the cost of:
• A full technical survey
• The sizes, styles, and colours of the windows
• The energy rating of either A, B, or C
• Security features
• Glazing (Toughened, Obscured, or Standard)
• Handles
• External Cills
• Full installation, inclusive of colour-matched trims, fixings, silicones, and sealants
• Registration with an industry body like FENSA or Certass
• Removal and disposal of old windows

Our quote for your new double glazed windows will then be emailed to you for future reference, meaning you can view it or amend your requirements later. The quote, as accurate as it might be, is still subject to change upon a full technical survey by your trusted local supplier.

It is important to remember that our rate tables and calculator can only go so far in helping you work out the cost of double glazing a 3 bed house in the UK. To find out the more realistic price for double glazing near you, you need to assess your needs.

What are the key points you need to ascertain before you can get the most accurate estimate of the cost of double glazing a 3 bed house in the UK?

Let’s find out!

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

Do UPVC Windows Need Trickle Vents?

Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.

How Long Will It Take To Install My Casement Window?

Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.

Are There Other UPVC Casement Window Styles?

Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.

Will I Have A Choice of Casement Window Locks?

A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.

What Are Flush Casement Windows?

Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.

Are There Different UPVC Casement Window Sizes?

UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!

Can I Choose My Casement Window Handles?

Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.

What is a Casement Window?

A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.

Where Can I Get A Tilt and Turn Windows Price?

You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.

How Does The Tilt and Turn Window Mechanism Work?

The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.

How Much Do French casement windows cost?

The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine

How do UPVC Sash Windows Work?

UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.

Are UPVC Sash Windows Easy To Use?

UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.

Why Should I Choose a UPVC Sash Window?

UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.

Replacement Sash Windows In A Conservation Area

If your home is a listed property or within a conservation area then you will need to seek planning permission.

Bay or Bow Window?

Simply put, it really depends! Bay windows offer often much welcome and useful extra storage space to the frontage of homes. On the other hand, bow windows provide a curved shape alternative in terms of look compared to bay windows. They are both beautiful options and can add much character and charm to the right property.

Can Bay Windows Look Modern?

Bay windows can easily be either modern or traditional depending on the combination of glass and / or coloured uPVC profiles now available. Subsequently, its easy for these windows to seamlessly blend in with contemporary or old properties.

Can Double Glazed Windows Reduce My Heating Bills?

When you install double glazing in your home or commercial property, it is likely that the extra heat retention will lessen the need to use central heating systems. In turn, this could mean you see a drop in heating bills. If you are concerned about your energy bills, it is easy to compare business energy or home energy online.

What Makes Flush Sash Windows Different?

Flush sash casement windows are specifically designed to imitate the appearance of traditional wooden timber windows by appearing to have the same sashes that finish 'flush' with the outside face of the window.

Should I replace my old sash windows?

Sash windows are a key feature for many traditional period buildings. Sash windows were traditionally built using timber, which is fairly high maintenance and has a tendency toward rotting and warping. Over time, these windows can become draughty and insecure. uPVC sash windows are a great way to experience the benefits of modern double glazing, without sacrificing the aesthetic of your home. uPVC sash windows will not rot or warp and require little maintenance. They are also thermally efficient, which means that your home will not require as much heating.

How much does sash window restoration cost?

The cost of sash window restoration will depend on the survey result. Standard draught proofed sash windows (without sill replacement) usually starts at about £500 per window. The time taken will also depend on the survey result.

Can I install double glazing into my original sash windows?

This will depend upon what type of window you have. Replacing existing moving sashes with new, double glazed replicas might to be possible.

How much does it cost to replace a sash window?

The cost of replacing a sash window will depend on many factors including: style, size, material and glazing. A wooden sash window will cost significantly more than a uPVC sash window. A wooden sash window can cost up to £1000. Wooden windows are more expensive to manufacture so expect to pay that bit more. uPVC sash windows can be designed to mimic wood and are much cheaper in price. The starting price for a standard uPVC sash window is on average £525.

Instant Double Glazing Prices