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Alexander Constructors

0 review(s)
Offers services in BRECON
South Wales, Penarth based design and build contractor. Projects completed include new houses, extensions, kitchens, bathr...
We are nationwide suppliers of Upvc and Aluminium windows and doors. From casement windows to 7 leaf bifolding doors; we a...

Somerglaze Windows

0 review(s)
Offers services in BRECON
We are a FENSA registered double glazing company who pride ourselves on our reputation for quality, service and reliabilit...

Stone Valley Windows

0 review(s)
Offers services in BRECON
Welcome to Stone Valley Windows Ltd! We are your local, quality window & door installation company. We offer a professi...

Recent Window Installer Enquiries

22 Apr

uPVC Double Glazing

Ebbw Vale - NP23

Enquiry from: Rhiannan H

Start Date: Immediate

Multiple windows Supply and install

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16 Apr

uPVC Double Glazing

Builth Wells - LD2

Enquiry from: Yvonne E

Start Date: Immediate

Submit your free quote for rated tradespeople

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12 Sep

uPVC Double Glazing

Brecon - LD3

Enquiry from: Jean J

Start Date: Immediate

What best describes your living situation? - -. How many windows are you considering replacing? - -. What material do you require, UPVC? - -. What colour do you want them to be? - -. Do you require do

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20 Aug

uPVC Double Glazing

Merthyr Tydfil - CF48

Enquiry from: Desmond D

Start Date: Immediate

2+ windows Supply and install

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19 Aug

uPVC Double Glazing

Merthyr Tydfil - CF47

Enquiry from: Angela W

Start Date: Immediate

2+ windows Supply and install

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16 Aug

uPVC Double Glazing

Brecon - LD3

Enquiry from: Michael W

Start Date: Immediate

2+ windows Supply and install

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12 Aug

Window Repair

Crickhowell - NP8

Enquiry from: Marietta S

Start Date: Immediate

The middle handle on our bifold door seems to be jammed so door can’t fold open anymore

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21 Jul

uPVC Single Window

Ebbw Vale - NP23

Enquiry from: Teresa R

Start Date: Immediate

Are you the home owner of that property? - Yes . How many windows are you considering replacing? - 1. What material do you require, UPVC? - UPVC. What colour do you want them to be? - UNSURE. I assume

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11 Jul

uPVC Double Glazing

Tredegar - NP22

Enquiry from: Penelope C

Start Date: Immediate

2+ windows Supply and install

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07 Jul

uPVC Single Window

Builth Wells - LD2

Enquiry from: Eddy H

Start Date: Immediate

What best describes your living situation? How many windows are you considering replacing? - 1. What material do you require, UPVC? - upvc. What colour do you want them to be? - white. Do you require

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09 Jun

uPVC Double Glazing

Ebbw Vale - NP23

Enquiry from: Scott T

Start Date: Immediate

2+ windows Supply and install

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01 Jun

uPVC Double Glazing

Merthyr Tydfil - CF48

Enquiry from: Jamie K

Start Date: Immediate

Multiple windows to be Supplied and installed

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05 May

uPVC Double Glazing

Ebbw Vale - NP23

Enquiry from: Nathan D

Start Date: Immediate

Multiple windows to be Supplied and installed

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03 May

uPVC Double Glazing

Brecon - LD3

Enquiry from: Kev L

Start Date: Immediate

Multiple windows to be Supplied and installed

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23 Jan

uPVC Double Glazing

Brecon - LD3

Enquiry from: Bryan P

Start Date: Immediate

What best describes your living situation? How many windows are you considering replacing? - 8. What material do you require, UPVC? - upvc. What colour do you want them to be? - white. Do you require

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04 Nov

uPVC Double Glazing

Brecon - LD3

Enquiry from: Christine M

Start Date: Immediate

Are you the home owner of that property? - How many windows are you considering replacing? - What material do you require, UPVC? - What colour do you want them to be? - Do you require doors If so how

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04 Nov

uPVC Double Glazing

Brecon - LD3

Enquiry from: Eric M

Start Date: Immediate

Are you the home owner of that property? yes joint How many windows are you considering replacing? 3 What material do you require, UPVC? UPVC What colour do you want them to be? WHITE Do you require d

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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 Brecon is:

£2,082

Window Installer job Window Installer cost in 2026
Double glazing in Brecon £1,500-£5,000
Upvc double glazing units only in Brecon £800-£1,200
Triple glazing in Brecon £1,500-£5,000
Aluminium windows in Brecon £1,875-£2,875
Wooden window in Brecon £3,750-£5,750
Aluminium windows supply only in Brecon £2,600-£3,900
Upvc or wood porch in Brecon £2,625-£4,025
Sash window in Brecon £1,800-£6,000
Glaziers in Brecon £57-£87
Secondary glazing in Brecon £1,500-£5,000
uPVC Single Window in Brecon £225-£345
Wooden sash windows in Brecon £3,750-£5,750
Wooden windows supply only in Brecon £2,760-£4,140
Aluminium repair in Brecon £240-£360
Window repair in Brecon £268-£402
Wooden window repair in Brecon £320-£480

Related Window Installer searches in Brecon

Window Installer FAQs

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.

how long does double glazing last?

Just like every other thing in your house, your double glazed windows have an expected lifespan attached to it as it gradually becomes less functional and less efficient over time. Although there are actually top quality windows which are able to last a very long time, but the fact still remains that nothing can stand the test of time or last forever. Even the best quality double glazed windows will eventually need to be replaced at some point. So exactly how long do double glazing windows last before need a replacement?

To make it brief, most double glazing window units are typically expected to last an average of 20 years. This number of years can, however, vary within the range of 10 to 35 years based on the several factors such as the type, quality of materials as well as installation and where the windows are located.

The reason for the depreciation in double glazing windows is, over time, the windows may be subjected to some wear, tear as well as all kinds of minor damages which includes gas filled insulated glazing unit slowly and gradually leaking. According to the Centre for Sustainable Energy, the evaporation of 25 percent of gas will ultimately minimize the windows’ thermal performance. And when this occurs, fitting a secondary glazing measure or replacing the windows should be put into consideration.

Another factor leading to the gradual depreciation in double glazing windows over time has to do with condensation. When the window collects between the layers of glass due to the failure of the seal of the perimeter and the saturation of the desiccant, can only be solved by IGU replacement.

And finally, the ravages of time also has a way of taking its toll on double glazing windows. This can happen in so many ways such that the window becomes a lot less efficient and later needing to be replaced.

Are A-rated windows worthwhile?

On the grand scale of things there isn’t a huge difference between B-rated windows and A-rated windows. Consumer watchdog Which? have calculated an extra 6.5% would be saved on energy bills with A rather than B rated panes. Be aware that A rated windows are slightly more expensive, however.

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.

What happens if I have problems with my new windows?

Ultimately the double glazing company you use is responsible for the quality of work and to ensure your windows are of an excellent standard. This is why it’s important to get a warranty and use a Fensa registered installer. If problems emerge within a couple of years then it’s likely the installation was of a poor standard.Contact the double glazing company and have the issue repaired or new windows replaced. This doesn’t matter if you received a discount of free windows as part of the deal. As long as you entered into a contract the company is obliged to restore the windows.

Can I fix glass on one side of a double glazed window?

Unfortunately, you can’t fix the glass on one side of a double glazed window. That’s because they’re sealed units – once one pane of glass is broken, that will break the seal and its thermal insulation properties will be lost.

The good news is that if your window frame is still looking great, there’s no need to replace that. You can simply replace the glass in the window, which will cost much less. You can look to spend around £250 on a sealed unit, whereas a whole replacement single window may cost up to £600.

When an installer comes to replace the glass in your double glazed window, they will survey the inside and outside of your home around the window, then move any furniture by the window so they’ve got access. They should then pop a dust sheet down to stop any debris from getting on your floor.

Then, the installer will carefully remove the beads from the frame. They will then lift the glass out of the frame and put it somewhere safe before cleaning out all of the dust and any debris that has found its way into the frame. Using spacers at the bottom of the frame, the installer will make sure that the sealed unit is square in the frame to get a good fit. Once they’re happy, they will replace the beading and make sure it looks perfect before cleaning up their tools.

You could have a go at replacing the glass on a double glazed window yourself, but it’s not recommended. Leave it to the professionals who will know exactly what to do and will be able to do it quickly and safely.

how to fit a double glazed window?

Did you just purchase a double glazed window and confused about how to have it installed? Fitting the window yourself can be quite easy with the help of this step by step guide. However, if you lack proper training or experience, we’d recommend you reach out to a trustworthy professional who can guarantee the best results for help. That said, now let’s take a look at the process.

• Remove the old windows by detaching the old beading and glass window safely. Then make some interval cuts using a hand saw before using a crowbar to pry it out.

• Cut the external double glazed window seal. Once done, take a measurement of the window area’s width once empty. Then transfer the measurement to the window sil to face outside and cut using a handsaw.

• Seal the window sil. Add a bead of clear silicone along both inside lip as well as the centre to seal the sil.

• Screw the double glazed window to the sil. Position the window on the top of the lipped section that was siliconed. Then pre-drill them together and screw in three places. You should make sure the screws do not go totally to the sil’s bottom.

• Install the double glazed window. After successfully screwing the double glazed window to the sil, you can now fit in the double glazing. Make use of packers to make sure it’s even in the slot.

• Screw the uPVC window to the wall. If you’re happy and satisfied with the position of the window, you can then pre-drill through the frame of the window and the brick wall. Once done, simply screw it in place using masonry screws or Spax screw as they do not require crawl plugs in bricks.

• Seal around the window. To do this, simply fill any gaps with expanding foam, wipe out the excess and seal with silicone.

What is double glazing?

If a window is double glazed, it has two panes of glass that have a space between them containing argon gas. The gas works as an insulator, keeping heat inside the house as well as reducing noise. It also strengthens the window.

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