When changing your residence's windows you don't necessarily have to complete the whole home. Now and then you might just require to have a solitary window changed, maybe because of a damaged pane or for upgrading to double glazing.
It's common for many people to replace just one double glazed window. One factor that customers intend to change one window is that the covered unit inside has actually fallen short. You'll understand if this has actually occurred because you'll have the ability to see condensation on the inside of glass, which gets discouraging because you can not clean it away. In this instance, you can select to simply change the closed system or the entire frame, which you could want to do if it's looking past its ideal.
When you're replacing simply one double glazed window, if you understand the brand name of your current windows you can ask your installer if they can source the very same ones. This will help to keep them looking as similar as feasible, although if your existing windows are very old you may see some discolouration on the exterior compared to the brand-new one, and locks as well as drip vents might look various.
Changing just one double glazed window should not take a certified window fitter long, as well as might set you back just ₤ 300. It's worth bearing in mind that all replacement windows need to be licensed that they have actually been put in to satisfy building guidelines, so you'll require to put on your local building control police officer that will certainly come and evaluate the work after that release a certification. If you ask an installer that is signed up with a self-certification scheme (like FENSA, CERTAS) to fit the window for you, they can provide the certificate themselves when they have actually ended up the work.
We will supply as much as 4 Window Installer pros locally, that will certainly provide quotations for the work you desire done. You'll receive a home visit from professionals in Wiltshire who'll assist you to pick the right uPVC Single Window for your house before performing the installation. Enter your postal code to begin searching now.
The typical cost of uPVC single window is around £300. Costs fluctuate based on the materials and the organisation used. The upper price range can be as high as £400. The material costs are in most cases around £110
| Avg. price low | Avg. price low |
|---|---|
| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£500
£375
£250
£125
£0
| Labour cost | £180 | |
| Material cost | £110 | |
| Waste removal | £10 |
Requests for quotations in Wiltshire in August 2026
Requests for uPVC Single Window quotations in Wiltshire in August 2026. 0% change from July 2026.
Requests for uPVC Single Window quotations in South West in August 2026. 0% change from July 2026.
Melksham - SN12
Enquiry from: Stephanie S
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? - UNSURE. What colour do you want them to be? - UNSURE. I assu...
Trowbridge - BA14
Enquiry from: Peter W
Start Date: Immediate
replacement toilet window width 625mm. height 900mm. frosted glass or similar. top opening – size to suit area. are you the property owner: owner of the property what level of service do you requir...
Melksham - SN12
Enquiry from: Stephanie S
Start Date: Immediate
Are you the home owner of that property? -YES SOLE How many windows are you considering replacing? 1 What material do you require, UPVC? YES What colour do you want them to be? UNSURE I assume you req...
Malmesbury - SN16
Enquiry from: Elaine F
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 you require ...
Swindon - SN1
Enquiry from: Elaine CB AFTER 3 S
Start Date: Immediate
Are you the home owner of that property? -YES How many windows are you considering replacing? 1DOOR What material do you require, UPVC? NOT SURE What colour do you want them to be? UNSURE I assume you...
Swindon - SN2
Enquiry from: B
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? / I assume you require them to be...
Swindon - SN3
Enquiry from: Samantha N
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? / I assume you require them to be...
Swindon - SN2
Enquiry from: Agnelo P
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? / I assume you require them to be...
Devizes - SN10
Enquiry from: Tomi A
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 you require ...
Swindon - SN1
Enquiry from: Terry B
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 you require ...
Salisbury - SP2
Enquiry from: Fran R
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 ...
Swindon - SN3
Enquiry from: Terence M
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 you require ...
Swindon - SN1
Enquiry from: Humera B
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 you require ...
Calne - SN11
Enquiry from: Nicky W
Start Date: Immediate
We need one window replaced in a bedroom On the top floor, 3storey house. White UPVC
Swindon - SN25
Enquiry from: Tom O
Start Date: Immediate
need new window installed in a bathroom, wall is currently solid are you the property owner: owner of the property what level of service do you require: supply and installation of full unit property t...
Devizes - SN10
Enquiry from: Lee P
Start Date: Immediate
Removal of old sash window, currently got scaffold up.thanks Lee
Swindon - SN2
Enquiry from: Joseph S
Start Date: Immediate
Call any time. Number of windows: 1 Style of window: Standard window Quote requested on windows, in PVCu, to be supplied and fitted.
Melksham - SN12
Enquiry from: Beth R
Start Date: Immediate
Sell 4 Times 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 assum...
Swindon - SN1
Enquiry from: Muhammad B
Start Date: Immediate
Sell 1 Times 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? white I assum...
Pewsey - SN9
Enquiry from: James A
Start Date: Immediate
Hi, I wondered if you would be able to provide me with a quote for a replacement Upcv door as the existing wooden door is in a poor state. Thanks
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Yes, of course! It’s common for people to replace just one double glazed window. One reason that people want to replace one window is that the sealed unit inside has failed. You’ll know if this has happened because you’ll be able to see condensation on the inside of glass, which gets frustrating because you can’t wipe it away. In this case, you can choose to simply replace the sealed unit or the entire frame, which you might want to do if it’s looking past its best.
When you’re replacing just one double glazed window, if you know the brand of your current windows you could ask your installer if they can source the same ones. This will help to keep them looking as similar as possible, although if your existing windows are very old you may notice some discolouration on the exterior compared to the new one, and locks and trickle vents might look different.
Replacing just one double glazed window shouldn’t take a qualified window fitter long, and could cost as little as £400. If you want to simply replace the sealed unit, that may only cost around £250. You could try to fit a new window yourself, but it’s worth bearing in mind that all replacement windows need to be certified that they’ve been installed to meet building regulations, so you’ll need to apply to your local building control officer who will come and inspect the work then issue a certificate. If you ask an installer who is registered with a self-certification scheme (like FENSA) to fit the window for you, they can issue the certificate themselves when they’ve finished the work.
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.
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