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Estimated Cost Of Blown Window

Do you want to know how much it costs to repair the blow-up of your window?

This article will look at the cost of replacement windows cost based on the size of the window and the number of blown windows that have to be replaced. We will break down the costs of labor, materials, and timeframes.


How Much Will it Cost to Repair Blown Windows?

How much will it cost to replace the glass in windows?

Costs for window repairs differ based upon the dimensions and quantity of windows.

For an 200mm x 400mm blown window, the typical cost for repair is £30 up to £60 for a single unit. £60 between £110 and £110 in the case of two windows. £95 up to £155 in the case of three windows and £135 from £135 to £195 to cover four windows.

For a 700mm x 500mm window replacement cost for blow-up windows is around £45-£80 for one window. £90-£145 in the case of two windows. £145-£200 when replacing three windows or £215-£275 for replacing four windows.

If you have an 800mm x 1000mm glass If it’s damaged then the replacement window price would be £85-£125 for one unit. £180-£240 to replace two units. £280-£350 in order to repair three units, or £380-£460 in the case of four substitutes.

Lastly, if a large 900mm x 1200mm window has misted up, you’ll need to budget for about £120 to £150 to replace one unit, £250 to £300 for two windows, £385 to £425 for three windows, or £505 to £565 to have four windows replaced.

What are other factors that can be considered when replacing damaged windows?

Other factors that affect costs include the type of windows to be replaced as well as windows fitted by installers hired, accessibility and the location of your home.

Window fitters usually charge more across the Southeast and London especially, whereas rates are usually lower than that of the typical national rate in areas like Northern England, Scotland, and Northern Ireland.

Blown Window Repair Price:

Size of windowsNo of WindowsLabour CostSupply CostTotal Cost

200mm x 400mm
1£10 to £30£20 to £30£30 to £60
2£20 to £50£40 to £60£60 to £110
3£30 to £70£65 to £85£95 to £155
4£45 to £85£90 to £110£135 to £195

500mm x 700mm
1£15 to £40£30 to £40£45 to £80
2£30 to £70£60 to £75£90 to £145
3£50 to £90£95 to £110£145 to £200
4£90 to £130£125 to £145£215 to £275

800mm x 1000mm
1£20 to £45£65 to £80£85 to £125
2£50 to £80£130 to £160£180 to £240
3£80 to £115£200 to £235£280 to £350
4£110 to £150£270 to £310£380 to £460

900mm x 1200mm
1£30 to £50£90 to £100£120 to £150
2£70 to £100£180 to £200£250 to £300
3£110 to £130£275 to £295£385 to £425
4£140 to £180£365 to £385£505 to £565

What are the costs for supply of a Window Replacement Blown?

The costs for replacing damaged windows do not include the labour cost and cost for disposal of the waste.

In the average, costs of supply will make up approximately 50percent of total cost, with about 30% to 40% attributed to labour costs and around 10% going to waste disposal. Let’s examine the cost of supplies for the projects we discussed in the earlier section.

The replacement cost for the 200mm x 400mm window is £20-£30. In the case of two such units, you can expect to be paying £40-£60 and for three, around £65-£85 and for four replacement 200mm x 400mm window, between £90 and £110..

The supply costs will be approximately £30 to £40 to have a single 500mm x 700mm window replaced, £60 to £75 to replace two units, £95 to £110 for three replacements, or £125 to £145 to replace four of these medium windows.

A 800mm x 1000mm window blown repaired would incur an estimated cost of £65-£80 for a single unit, £130-£160 in two sets, £200 to £235 for three units or £270-£310 for four windows that are this size replaced.

It will cost you between £90-£100 in costs for supply to replace the 900mm by 1200mm window. If you want two of these windows to be replaced, anticipate paying £180-£200 in the case of three pieces, between £275 and £295 and for four units, £365-£385.

Size of WindowsNo. of WindowsTotal Cost

200mm x 400mm
1£20 to £30
2£40 to £60
3£65 – £185
4£90 to £110
500mm x 700mm1£30 to £40
2£60 to £75
3£95 to £110
4£125 to £145

800mm x 1000mm
1£65 to £80
2£130 to £160
3£200 to £235
4£270 to £310

900mm x 1200mm
1£90 to £100
2£180 to £200
3£275 to £295
4£365 to £385

What are the additional costs of Window Repairs that are Blown?

There are many additional expenses you could encounter as part of the work. In this article we’ll look at the most frequent instances.

Minimum Fee

Certain window fitters will require a minimum charge regardless of the amount of work is needed. It could be a cost which is a part of all other costs, or as an all-inclusive price, like an hourly labour cost.

In this instance the set cost for labour will be applied even if the work does not last for the entire day. For example, a job lasting five hours could be charged as if it was an entire day’s work.

Window Type

Another crucial aspect to consider when determining the cost of blown window repairs is the kind of window you wish to get installed to replace. With regards to style, flush and casement window frames are the most affordable alternatives.

Sash and tilt & turn window styles have a lower to average window price as do bay and cottage windows are more expensive.

Of course, when it comes to the number of glass panes, single-glazed windows are more affordable than double glazing, which in turn is cheaper than triple glazing.

For the type of frame, uPVC framed windows are generally the most affordable alternative. Windows with timber frames are generally an average choice in terms of cost with aluminum-framed windows usually costing more than other.

The size of the property

The size of the property is crucial because it directly affects the amount of windows that might require replacement, and, often, the size of windows as well.

The number of window fitters

Repairing damaged windows is typically thought of as a single-person job except for the case of a large window.

But, should at least two contractors are hired the hourly or daily labor costs will rise because of this.

Naturally, the greater number of employees on the job more efficient the job will be and the more efficient it will be, but whether this increase in costs for daily or hourly labour will increase the price total is a bit difficult to judge.

It’s all about how well a group of window installers work in concert.


The longer work is done and the longer it takes, the higher the labour cost will be. The only exception to this is when a per-day labour cost or fixed-job cost is in place when a four-hour work transforms into a six-hour one.

In other cases, the duration of the project is likely to be one of and, in some instances the most significant cost determinant.

Costs of Tradesmen to Replacing Blown Windows

The cost of labor is how it costs a professional, or group of tradespeople, on a daily or hourly basis for their services.

We’ll outline the labor costs associated with the various window replacement tasks that we discussed in the first section.

In the following cost estimates we assume that only one worker was employed to perform the tasks. If two laborers are employed and paid twice the amount for the approximate amount of a two-person labor charge.

There is an opportunity of having two windows fitters employed to assist in installing a large window. It is important to note that the labour cost is usually dependent on the size and quantity of windows.

Certain laborer’s charge the form of a whole or a portion per unit, therefore the hourly rate of labour time x duration won’t translate directly into the typical cost of labor.

The repair of blown windows costs of labor for one 200mm x 400mm blow-up window replaced ranges from £10-£30, while the cost increases to approximately £20-£50 in two sets. between £30 and £70 in the case of three units in addition to £45-£85 to cover four units.

To have a 500mm x 700mm window replaced, one unit will cost around £15 to £40 , with the price being about £30 to £70 for two units, £50 to £90 for three units, or £90 to £130 for four units.

Moving to a 1000mm x 800mm window, the labor cost per unit is approximately £20-£45, and two units have a the cost of labor ranging from £50-£80 while three units cost £80-£115 4 units costing around £110-£150.

To repair blow-up windows measuring 900mm by 1200mm A single unit would incur an estimated labor cost of £30-£50 The 2 units priced at between £70 and £100 and three units at a cost of £110-£130 and the labor cost would be about £140-£180 in the case of four units.

A window fitter is charged around PS10/hour as a basic labor cost. However, as we have mentioned, the labor cost of these jobs are dependent on the size and amount of windows.

The price of labour can be affected by the quantity of tradespeople working who are working, their accessibility to the place of your home, and of course, the length.

How long does it take to Repair Blown Windows?

The amount of time needed for the replacement of damaged windows will be contingent on many factors. Let’s look at the length of time that the tasks that are discussed in this article may be, as well as the various factors that affect time.

For a single window installer is expected to take one hour for replacement of an 200mm x400mm window, and an 1 hour 20 mins to change an 800mm x 700mm window, 1.5 hours to replace an 800mm x 1,000mm unit or a full hour and forty-five minutes to replace an enormous unit, 900mm x 1200mm.

However, large windows are often replaced by two window fitters, in which case the job should take a little under an hour.

The time required to repair damaged windows is contingent on the type, size and quantity of windows being replaced, as well as the quantity of window fitters employed as well as the ease of access and if additional work is needed.


Q: What is the reason why my double-glazed windows burst?

The answer is that there are many common causes why double pane windows may fog in time. First, double glazing could result from the wrong or improper installation.

However wear and tear or damaged or defective seals could be the cause of the issue, or at least could be one of the reasons.

The weather can impact windows, causing the windows to blur. You can engage experts to fix damaged double-glazed windows for an affordable price.

Q What is the primary factor that causes a blowing window?

A: In the majority of cases blowing windows is caused by wear and tear. However, an improper fit is a possibility.

Q: What are the top frame materials to replace windows that have been damaged?

A: Wood is thought to be the most suitable choice by a large number of homeowners due to its attractive characteristics and capacity to hold heat in.

However, aluminum, vinyl and fibreglass offer their own advantages The best choice for you will be based on your personal preferences.

Question: What’s the length of time will it take before a window begins to mist up?

A: It’s around 15 or more years before windows begin to fog up, however it’s dependent on the condition of the window as well as how well it’s maintained.

Q What are the problems that arise from windows that have been blown?

A: First of all they’re not as clear and they are not as attractive visually. In addition they are less sound and heat-resistant. insulation properties are less.


  1. https://www.cloudy2clearwindows.co.uk/news/double-glazing-become-cloudy/
  2. https://superiorwindowcompany.com/whats-the-best-window-frame-material/



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