When changing your house's windows you do not necessarily have to complete the whole home. Once in a while you may just need to have a single window replaced, perhaps because of a busted pane or for upgrading to double glazing.
It's common for people to replace just one double glazed window. One reason that people want to replace one window is that the closed device inside has fallen short. You'll understand if this has happened due to the fact that you'll have the ability to see condensation on the within glass, which gets frustrating due to the fact that you can't clean it away. In this case, you can select to merely replace the closed unit or the whole framework, which you might intend to do if it's looking past its finest.
When you're replacing simply one double glazed window, if you understand the brand of your existing windows you could ask your installer if they can source the very same ones. This will help to maintain them looking as comparable as feasible, although if your existing windows are older you might discover some discolouration on the outside contrasted to the brand-new one, as well as locks as well as flow vents may look various.
Replacing just one double glazed window should not take a qualified window fitter long, and might cost as little as ₤ 300. It's worth bearing in mind that all substitute windows require to be licensed that they've been installed to meet building regulations, so you'll need to put on your local building control policeman that will come as well as evaluate the job then release a certification. If you ask an installer that is registered with a self-certification scheme (like FENSA, CERTAS) to fit the window for you, they can issue the certificate themselves when they've finished the work.
We will give as much as four Window Installer pros locally, who will use quotations for the work you desire done. You'll obtain a home visit from experts in Dorchester that'll assist you to pick the right uPVC Single Window for your house before accomplishing the installation. Enter your postal code to begin looking 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
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| Avg. price | Avg. price |
| Avg. price high | Avg. price high |
£500
£375
£250
£125
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| Labour cost | £180 | |
| Material cost | £110 | |
| Waste removal | £10 |
Requests for quotations in Dorchester in June 2026
Requests for uPVC Single Window quotations in Dorchester in June 2026. 0% change from May 2026.
Requests for uPVC Single Window quotations in Dorset in June 2026. 0% change from May 2026.
Dorchester is a historic market town and the county of Dorset in England. It is situated between the towns of Poole and Bridport on the A35 trunk route. Positioned on the banks of the River Frome, in the Frome Valley, it is south of the Dorset Downs and to the north of the South Dorset Ridgeway separating the area from Weymouth. The town centre is approximated to be between 55 and 80 metres above sea level on gradual sloping ground by the River Frome's south bank. It is nearly 7 miles north of Weymouth, 18 miles from Yeovil in Somerset, and 20 miles west of Poole. The land to the south and west of the town comes under the Dorset Area of Outstanding Natural Beauty. In accordance with the 2011 Census, Dorchester has a population of 19060, with 8449 homes. Within this population, 48.35 percent of locals were male and 51.6 percent were female. Marginally under the 18.9 percent for England overall, 17 per cent of occupants were under 16 years of ages, and 22.4 per cent of homeowners were over 65 years of age, being marginally above the 16.4 percent for England as a whole. Research provided for 2012 showed that there were 17500 people working in Dorchester, of which 51 percent were working full-time. There is a total of six commercial estates in Dorchester, which consists of The Grove Trading Estate, Poundbury Trading Estate, Marabout Barracks, Great Western Centre, Railway Triangle and Casterbridge Industrial Estate. The Brewery Square redevelopment project has actually made it easy for regional and national shops, restaurants and bars to be in easy reach of the town's occupants. For all of your home upgrades, make certain to make use of reliable professionals in Dorchester to make particular of quality.
Dorchester - DT2
Enquiry from: Neil -
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 requir...
Dorchester - DT2
Enquiry from: Carlos F
Start Date: Immediate
Are you the home owner of that property? JOINT How many windows are you considering replacing? 1 DOOR What material do you require, UPVC? UNSURE What colour do you want them to be? UNSURE I assume you...
Dorchester - DT1
Enquiry from: Yvonne R
Start Date: Less than one month
Customer visited the mywindowsprices.co.uk site and submitted an enquiry. Glazing type: Double, Work description: UPVCdouble glazed fixed window for hall, size approx. 1205 x 640 mm, clear glass Are...
Dorchester - DT2
Enquiry from: David C
Start Date: 1 to 3 months
Are you the property owner: Owner of the property How many windows do you need: 1-2 Windows What work do you require: Full Unit Replacement Window Material: uPVC Do you live in a conservation area or ...
Dorchester - DT2
Enquiry from: Elizabeth F
Start Date: Immediate
Are you the property owner: Owner of the property Property Type: Semi detached How many windows do you need: 1 What level of service do you require: Supply and Install Time scale: Less than one mo...
Weymouth - DT3
Enquiry from: Paul 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...
Weymouth - DT4
Enquiry from: NATALIA F
Start Date: Immediate
customer made an enquiry for replacement double glazing via one of our websites. looking at various options confirmed interest 2+ windows supply and install please call to discuss options and arrange...
Bridport - DT6
Enquiry from: William G
Start Date: Immediate
Sell 2 Times Are you the home owner of that property? Joint homeowner How many windows are you considering replacing? 1 What material do you require, UPVC? UPVC What colour do you want them to be? Cr...
Weymouth - DT3
Enquiry from: Norman H
Start Date: Immediate
replace existing 1790x1200 window with french doors with side light and opening vent similar to wickeseuramax upvc wh*** with 1 side sash panel double glazed french doors - 1790 x 2090mm but handed. ...
Weymouth - DT3
Enquiry from: Andy S
Start Date: Immediate
Call any time. Number of windows: 1 Number of doors: 1 Quote requested on windows and doors, in PVCu, to be supplied and fitted.
Weymouth - DT3
Enquiry from: Pauline A
Start Date: Immediate
i need one set of french doors are you the property owner: owner of the property what level of service do you require: supply and installation of full unit property type: detached window material: upv...
Portland - DT5
Enquiry from: Fynn S
Start Date: Immediate
Hi, I am looking to replace my kitchen window with Bi-fold windows. It is approximately 1770 x 1010mm including frame. Is this something you could offer? Many thanks, Fynn I am looking for qu...
Weymouth - DT3
Enquiry from: Alex M
Start Date: Immediate
I only require replacement D/G glass 1735 x 1425 6mm inner & outer glass to fitted I am looking for quotes for 1 Window Are you the property owner: Owner of the property What level of service do you ...
Weymouth - DT4
Enquiry from: George U
Start Date: Less than one month
I have porch and one of the windows is broken it needs replacing I am looking for quotes for 1 uPVC windows Are you the property owner: Owner of the property What level of service do you require: Sup...
Weymouth - DT4
Enquiry from: George U
Start Date: Immediate
I have a porch one of the windows is broken it needs replacing I am looking for quotes for 1 uPVC windows Are you the property owner: Owner of the property What level of service do you require: Suppl...
Portland - DT5
Enquiry from: Patrick S
Start Date: 1 to 3 months
replace two wooden framed windows and two wooden doors and door frames with upvc single glazed Are you the property owner: Owner of the property Window Material: uPVC Property Type: Detached uPVC Wind...
Weymouth - DT4
Enquiry from: Clive C
Start Date: 1 to 3 months
Supply only.....2 windows for a beach hut. Upvc 1500 x 950 or one long picture window,say 2000 x 950. Will consider misfits. Are you the property owner: Owner of the property How many windows do you...
Wareham - BH20
Enquiry from: S
Start Date: Immediate
conserv. replacement window 170 x 80cm (approx)
Wareham - BH20
Enquiry from: Julie W
Start Date: Immediate
replace downstairs kitchen window 6ft by 4 Homeowner UPVC Supplied and fitted Please contact to appoint
Weymouth - DT4
Enquiry from: Andy M
Start Date: Immediate
Home Owner 1 windows UPVC Supplied and Fitted Please Contact to Appoint *
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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.
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.
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