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Verified Pro
M&M Professional Builders Ltd We are a reliable and professional multi-trade company providing high-quality home improv...

Dorel Construction

0 review(s)
Offers services in DIDCOT
quality to the customer's taste and professionalism
Tailormade are an independent replacement double glazing, UVPC and Aluminium window and door company based near Reading i...

BDS Windows & Doors

0 review(s)
Offers services in DIDCOT
BDS Windows and Doors offer the very highest specification and installation of our products. Whether you’re a homeowner sh...

Recent Window Installer Enquiries

07 Sep

uPVC Double Glazing

Reading - RG30

Enquiry from: Brendan N

Start Date: Immediate

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17 Aug

uPVC Double Glazing

Oxford - OX44

Enquiry from: Caroline H

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13 Aug

uPVC Double Glazing

Newbury - RG14

Enquiry from: Terry G

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I need 4 new windows and the front door

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03 Aug

uPVC Single Window

Oxford - OX4

Enquiry from: George M

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I have 5 uPVC windows that are stuck. Handles turn but they won't unlock

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02 Jun

uPVC Single Window

Oxford - OX2

Enquiry from: Rigmor B

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Double glazed sash window in upvc size 140 x 127 mm

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28 May

Wooden Window Repair

Newbury - RG20

Enquiry from: Carol P

Start Date: Immediate

7 double glazed units blown, wood windows, size approx 470 x 440mm

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09 Apr

uPVC Double Glazing

Oxford - OX4

Enquiry from: Michelle S

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2+ windows Supply and install

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30 Mar

Replacement Glass Only

Oxford - OX3

Enquiry from: Mark S

Start Date: Immediate

Glass replacement in a velux window in a loft conversion in Headington, Oxford. The interior pane has smashed. The model is 1 x GGU MK06 0070 / M06 3000. Thanks, Mark

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28 Jan

uPVC Double Glazing

Oxford - OX4

Enquiry from: Craig D

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Mr lives in the oxford area and would like a call to discuss options

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28 Jan

Replacement Glass Only

Oxford - OX4

Enquiry from: Craig D

Start Date: Immediate

Call back anytime

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19 Nov

uPVC Double Glazing

Abingdon - OX14

Enquiry from: Elaine K

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30 Oct

Aluminium Windows

Henley-on-Thames - RG9

Enquiry from: Luke B

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08 Oct

uPVC Double Glazing

Oxford - OX33

Enquiry from: Christopher S

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Cottage needs 5 double casement windows and existing frames removed

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12 Sep

uPVC Single Window

Thatcham - RG18

Enquiry from: Freda H

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Call back anytime

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28 Jul

Aluminium Windows

Wantage - OX12

Enquiry from: Nat G

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06 Jul

uPVC Double Glazing

Wallingford - OX10

Enquiry from: Ama K

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2+ windows Supply and install

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30 Jun

uPVC Double Glazing

Thatcham - RG18

Enquiry from: Scott C

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2+ windows Supply and install

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24 Apr

uPVC Double Glazing

Didcot - OX11

Enquiry from: Jude D

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2+ windows Supply and install

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28 Jan

uPVC Double Glazing

Didcot - OX11

Enquiry from: Edward H

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Replacement doors and windows for 2 bed bungalow

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How much do Window Installer services cost?

How much do Window Installers cost? Prices for Window Installers in 2026 can differ relying on the kind of task that you require to have performed in your house. It's the inquiry we get asked a whole lot "how much do Window Installers charge?". It's generally very good to have an idea of how much a Window Installer are going to likely charge for their services. Prices will probably rise and fall based upon the products and also the tradesman selected. The table reveals the sorts of service that Window Installers typically do and also the typical cost range of these jobs. Some tasks take longer to complete than others so prices do fluctuate by task.

View our Window Installer cost guide View our Window Installer advice

The average price
of a Window Installer in Didcot is:

£2,121

Window Installer job Window Installer cost in 2026
Double glazing in Didcot £1,500-£5,000
Upvc double glazing units only in Didcot £800-£1,200
Triple glazing in Didcot £1,500-£5,000
Aluminium windows in Didcot £1,875-£2,875
Wooden window in Didcot £3,750-£5,750
Aluminium windows supply only in Didcot £2,600-£3,900
Upvc or wood porch in Didcot £3,063-£5,013
Sash window in Didcot £1,800-£6,000
Glaziers in Didcot £57-£87
Secondary glazing in Didcot £1,500-£5,000
uPVC Single Window in Didcot £225-£345
Wooden sash windows in Didcot £3,750-£5,750
Wooden windows supply only in Didcot £2,760-£4,140
Aluminium repair in Didcot £240-£360
Window repair in Didcot £268-£402
Wooden window repair in Didcot £320-£480

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Window Installer FAQs

How long do double glazed sealed units last?
When it comes to how long double glazed sealed units (the glass inside the window) last, a lot of it is down to the quality of the glass and the environment that your windows sit in. It’s not uncommon for your window frames themselves (especially if they are uPVC) to last longer than your sealed units. Sealed units are called that because they’re two panes of glass sealed together with an air gap in between. They use what’s called a ‘perimeter seal’ to protect the air gap between the panes, and is usually made of butyl mastic which retains a desiccant within a perforated metallic spacer bar. The desiccant’s job is to absorb any moisture which finds its way into the air gap to stop your window from misting up on the inside. When a sealed unit fails, or is ‘blown’, it’s usually because moisture builds up around the seal and causes it to fail. Sealed units won’t last forever, so you will eventually end up with condensation inside the panes of your double glazing, but in an ideal environment your double glazed sealed units could last up to 30 years, with some manufacturers claiming as long as 40 years. But they do require a bit of maintenance and the position of your windows will also make a difference as to how long they last. There are a few things that determine how long a sealed unit will last:
  • Climate - If your window faces south, it will be subject to direct sunlight for a lot of the day. This tends to cause the sealed unit to fail more quickly – a south-facing window may last between 10-25 years. This is because the spacer bars will twist as the temperature rises and causes the adhesive holding them together to eventually fail.
  • Moisture - Windows in kitchens and bathrooms tend to fail more quickly because they come into contact with moisture more often. For example, if water gets on your windowsill when you shower, the seal around the glass will come loose more quickly if it’s constantly wet.
When you replace the sealed units in your windows or get completely new double glazing, make sure you choose an installer that uses quality products and will take all the steps to ensure that your sealed units are kept away from moisture as much as possible.
how much are new windows?

Are you about to replace your old windows and wondering just how much it’ll cost to have a new one fitted? If yes, then you’ve come to the right place! The question is a very straight forward one, however a direct answer can not be provided as determining window prices for a replacement project can be a very tricky challenge. With a plethora of influencing factors that can play a key role in the price of both materials and labour to be used, it could be extremely hard for a window installer to provide a cost estimate without paying you a visit beforehand.

The factors that can go a long way in determining the price of your new window includes the size of the window, frame material, style chosen, your location, rates charged by the window installer (these rates can be different from an installer to an installer, so it’ll probably be in your best interest to compare quotes to identify the most competitive price) as well as the type of glass required.

Generally, for a small flat featuring four windows, the average cost for new windows would be between the range of £2,100 to £2,300. This range provided covers the cost of double glazed uPVC casement windows as well as the installation price. In the same tone, a home with up to 8 windows will have an average cost for window replacement between the range of £4,400 to £4,600, wile also taking into account the installation price. Whereas a house comprising 10 windows could begin at an average cost of window replacement between the the range of £5,200 to £5,500, and a 15 window home will be between the range of £8,400 to £8,600. it should be noted that the aforementioned figures only include the standard number of windows with a uPVC frame and the installation cost.

Can you repair blown double glazed windows?

You can only repair blown double glazed windows in the sense that you can replace the sealed unit (the glass part of the window) instead of having to replace the entire window.

When a double glazed window is blown, it means that the seal around the window has failed and is now letting air in and out. Often the first sign that the sealed unit has blown is condensation on the inside of the window, which is annoying since there’s no way to get rid of it! When your sealed unit has blown, you’ll be losing heat out of the window, meaning you could be spending more on your energy bills.

As a temporary fix, you could see if you can buy a misting repair kit online, but the condensation will eventually occur again as the air gets in. The best thing to do is ask a window installer or glazier to replace the sealed unit for you.

It's simple to replace the glass in a window – the specialist will remove the beading around the window, remove the blown glass from your window frame and set it to one side. They will then clean up around the frame before adding spacers in, then fitting the new sealed unit into the frame. They’ll make sure it’s a snug fit before replacing the beading back around the window to secure it.

There's no reason to put off repairing a blown double glazed window since the cost is generally much less than replacing the entire thing. A sealed unit with installation costs an average of £100, whereas a completely new window will cost around £400. You’ll soon notice that it’s less draughty and will be able see out of your window once you’ve had the blown glass replaced.

how much is double glazing?

Double glazed windows are one of the most popular window options for home and property owners in the United Kingdom and reasonably so. They are able to offer a wide range of benefits to home owners which includes being energy efficient, reducing the build up of condensation on windows and black mould growth, significantly reducing background noise for a better relaxation or night rest, increasing the value of your property as well as adding to the aesthetic appeal of your home. So if you’ve decided to lay your hands on a double glazed window, you’d probably also like to know how much it’s going to cost. Well, providing a simple and accurate answer to the question of double glazing window cost is almost impossible as there are so many factors that influences the price including the materials and style.

Several suppliers usually provide the list of their double glazing windows on their websites, however these prices are only for basic off the shelf window and most often without the installation cost. Furthermore, if you require some special features to your double glazed window, then this will also tell on the total cost of the window.

So how much will a double glazing window cost? The cost of a double glazing window usually ranges between £100 to £3,200 per window, depending on the available options.

To have a more accurate estimate of the cost of a double glazing window, you’ll need a obtain a survey from a double glazing installer who can take into account any possible complications that may arise when installing your windows while also giving an advise on the most suitable window style for your property.

Will double glazing stop condensation?

If you’ve got a problem with condensation and don’t have double glazing, you should find that getting new windows will help. Condensation is caused by warm air meeting a cold surface which then turns into water droplets. With two panes of glass, less heat will escape from your home and keep the window warmer, meaning when steam from the bathroom or kitchen touches your windows there should be less condensation.

Where can I get one double glazed window?

Most window installers will be able to provide you with one double glazed window and fit it for you. If you’re replacing one double glazed window in your home, ask them to try and source the same windows that you already have or find one that’s very similar. Externally, you probably won’t be able to notice the difference, but if your existing windows are very old there may be some exterior discolouration and the locks and handles might look slightly different.

If you want one double glazed window so you can fit it yourself, there are lots of online companies that can supply you with one window. However, window fitting is a skilled trade and you might want to consider whether you have the right tools and experience to fit it yourself. Of course, you’ll save money on installation costs, but if something goes wrong, you might end up shelling out to get it fixed anyway.

The other thing to consider is that any replacement windows need to be certified that they meet Building Regulations. If you fit the double glazed window yourself, you’ll need to apply to your local council building control officer to get a certificate that confirms that you fitted the window within the regulations. You’ll have to pay a fee for this, and it will be even more expensive if Building Control say that the window hasn’t been fitted within the regulations and you have to start again.

The alternative is to ask a reputable window installer that is registered with a self-certification scheme, like FENSA, to install the window. That means that they can self-certify that the window meets building regulations once they’ve finished the installation.

how does double glazing work?

One of the essential factors that makes a home truly a home is the convenience and comfort it provides us. As a result, we usually have a long to do list comprising things that come together to make sure our home is comfortable with ambient temperature at the very top of the scale of preference. After all, no matter how greatly designed your furniture and home decor is, it probably would amount for nothing if the temperature is either too hot or too cold. Some of the most common ways we incorporate to make the temperature a lot more conducive and warm during the winter months is by installing air conditioning system or through top notch insulation materials, but the fact still remains that a lot of heat would escape through the doors and windows. And that’s exactly the use of double glazing. So how exactly does double glazing work?

Double glazing basically works by preventing the escape of air and trapping it between two panes of glass. It’s the trapped air which serves as an insulation barrier which delivers 3 major functions. First and foremost, it stops the escape of heat through the window as the barrier created insulates the room from varying air temperatures at both sides of the glazing unit. The second major function is the double glazing works to keep down noise pollution coming from outside. While the third major function of double glazing I the fact that it helps minimize condensation which usually occurs on the single glazed windows’ inside as the cold outside air works to cool the warm air inside the house. When you install a double glazing window, the insulation barrier generated will work to stop the air temperature transmission which ultimately helps prevent the occurrence of condensation.

What are the other double glazing options?

Double glazing frames don’t just have to come in uPVC and are available in other materials including aluminium and wood too. Wooden or timber windows are more suited to properties with a traditional look and are often the frame of choice for listed buildings and homes in conservation areas. When properly maintained wooden windows can last well for years but can be up to three times more expensive than uPVC.Aluminium is the strongest and most durable option. As a metal it is highly resistant to the UK’s changing weather conditions and won’t rust, warp, crack or peel. Aluminium offers a modern appeal and is available in a range of colours.

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