How to replace the glass in a uPVC window?

It’s not too difficult to replace the glass in a uPVC window, so if you’re a confident DIYer you could have a go at this yourself. We’ll go through the main steps on how to replace the sealed unit in a uPVC double glazed window: Using a rubber mallet and a strong pallet knife, remove the beading around the window. You might think they’re part of the frame, but they’re actually separate on the inside of the frame and can be taken out by using pallet knife to prize them out. Start with one of the longest beads first and leave the top bead until last. Give the glass a little tap to loosen it if it doesn’t come out straight away, then the whole unit should slide out easily. Just make sure it falls towards you and not back out onto the ground below! Clear any debris that has found its way into the frame with a brush. Add spacers at the bottom of the frame – these could be pieces of plastic. Get your new sealed unit (make sure you measure the glass before you buy one so you know which size to get) and carefully take it out of the packaging. Look for the British Standard mark – that shows you the bottom of the glass. Lift the glass into the frame, starting with the bottom first, and make sure that it fits square in the frame before taking the spacers out. Use a little washing up liquid to spread along the beads to make it easier when you slide them back into the frame. If they simply push and clip back in, you can use something like a block of wood to help you push them in correctly. Put them back in reverse order to how you took them out. And there you go! If you’re feeling confident you can have a go at replacing the glass in your uPVC window yourself. But if you’ve got any worries, leave it to a window installer who will be able to do it in less than an hour.

Replacement Glass (Glazing) in Aylesbury

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Replacement Glass (Glazing) in Aylesbury

Are you searching for Glaziers in Aylesbury? Our network of glaziers can aid with your job. All of our Window Installer in Aylesbury are examined so you can see local reviews, when the business was formed, rankings, satisfaction and also price permitting you to make the ideal decision on who to hire. Let us take the inconvenience out of discovering as much as 4 experts for your Glaziers task.

Glaziers reduced, form and install glass for a variety of reasons including home windows, showers as well as mirrors. It's a really specialist trade as well as should not be attempted by an amateur.

Glaziers can be needed for both residential and industrial glass installations as well as whatever your glazing requires; you'll be able to locate assistance from these qualified tradespersons.

Why would certainly I need a glazier?

Among the most prominent factors for requiring a glazier would certainly be to change a shattered window pane. Glaziers will certainly have the ability to cut as well as shape the pane promptly as well as efficiently to improve your home's safety and security and also ease your mind.

We will provide approximately 4 Glaziers pros in your area, that will supply quotations for the job you want done. You'll get a property visit from professionals in Aylesbury who'll help you to choose the best Glaziers for your home prior to executing the setup. Enter your postcode to begin looking currently.

Average Glaziers cost in Aylesbury

The regular cost of Glaziers is £75. Costs alter based on the materials and the business picked. The upper price range can be as high as £86.25. The material costs are in most cases approximately £18.75

Average price per Glaziers job in 2025

Avg. price low	Avg. price low £57
Avg. price	Avg. price £75
Avg. price high	Avg. price high £87

£200

£150

£100

£50

£0

Prices based on actual Glaziers costs for Aylesbury, as reported by local LeadsDoWork members.

Glaziers installation cost in Aylesbury 2025

	Labour cost	£53
	Material cost	£19
	Waste removal	£4

Time frame: 1 day

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Glaziers Projects in Aylesbury in February 2025

1,198

Requests for quotations in Aylesbury in February 2025

0

Requests for Glaziers quotations in Aylesbury in February 2025. 0% change from January 2025.

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Requests for Glaziers quotations in Buckinghamshire in February 2025. 0% change from January 2025.

Source: Numbers calculated based on the search volumes in major search engines

Glaziers searches in cities and towns near Aylesbury February 2025

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Aylesbury

The county town of Aylesbury can be found in the South East of England, inside the county of Buckinghamshire. Regardless of this, it still falls into the West Midlands region by using a populace of 56,000 in addition to a greater urban area population of 69,000. Aylesbury has been subject to significant redevelopment recently, which includes a £100 million project named Waterside underway. For the house enhancements you may want within Aylesbury, be sure to only make use of vetted and local experts for the best price and a good finish.

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Similar Customer Enquiries for Glaziers in Aylesbury

05 Mar

Windows | Glazing

Aylesbury - HP20

Enquiry from: Harmony O

Start Date: Immediate

Call back anytime. Type of window / door: Window Glass replacement only: Yes Number of windows requiring repair: 1 Number of doors requiring repair: 0 Other repair required: no Quote requeste...

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02 Nov

Windows | Glazing

Aylesbury - HP22

Enquiry from: Deborah P

Start Date: Immediate

hi, advice on windows. home is 'barn style' single floor and has a variety of window styles, some sash and some casement. maybe thinking of secondary glazing for sash and replace the casement (two of ...

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29 Apr

Windows | Glazing

Aylesbury - HP17

Enquiry from: Tamesh S

Start Date: Less than one month

best time: any work type: upvc windows and 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 ho...

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16 Dec

Windows | Glazing

Aylesbury - HP18

Enquiry from: Ian G

Start Date: Immediate

call anytime. type of window / door: double glazed unit seals glass replacement only: yes number of windows requiring repair: 2 number of doors requiring repair: 0 other repair required: no q...

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20 Aug

Windows | Glazing

Aylesbury - HP19

Enquiry from: Catherine B

Start Date: Immediate

back stable door. white internally & externally, opening on right if viewed externally, aluminium handle, small frosted glass section in middle section. are you the property owner: owner of the proper...

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22 Jan

Windows | Glazing

Aylesbury - HP21

Enquiry from: Scott S

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The downstairs of our house is always extremely cold, even when the heating has been on for a long time. The house has a big extension with high ceilings and lots of windows, you can feel a draught co...

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08 Oct

Windows | Glazing

Aylesbury - HP19

Enquiry from: Olivia L

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Draught proofing, back doors have big gap and the top. Are you the property owner: Relative of Owner Property Type: Semi detached Are you looking for glaziers: No What level of service do you require...

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13 Jun

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Aylesbury - HP21

Enquiry from: Rob M

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Replacement of four broken window panes Are you the property owner: Owner of the property Property Type: Detached Are you looking for glaziers: Yes How many units do you do you require: 2-5 Windows Wh...

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16 May

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Aylesbury - HP17

Enquiry from: Simon W

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One pain of glass broken, needs replacing

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06 Mar

Windows | Glazing

Aylesbury - HP19

Enquiry from: Constantin P

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Customer visited the mywindowsprices.co.uk site and submitted an enquiry. Glazing type: Double, Work description: Wickes Upvc A Rated Casement Window White 1190 x 1010mm Lh Side Hung & Top Hung. Fi...

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13 Feb

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Aylesbury - HP22

Enquiry from: Kathryn C

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fix dodgy lock on UPVC door Are you the property owner: Owner of the property What level of service do you require: Repair/glass only Do you require doors: 375 Property Type: Semi detached Time s...

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08 Dec

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Aylesbury - HP20

Enquiry from: Ed S

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Outside door pvc architrave of a window has separated and requires refitting/replacement please Time scale: Immediate

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29 Nov

Windows | Glazing

Aylesbury - HP21

Enquiry from: Melissa L

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internal pane of bathroom glass broken, not outer sheet. Frosted glass size approx. 104 x 38cm Are you the property owner: Owner of the property How many windows do you need: 1-2 Windows What work ...

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08 Sep

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Aylesbury - HP19

Enquiry from: Maria S

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I am after a replaced sealed unit,just the glazed part, size of 234 w x 882 h. Is this something that you can quote for? Product Material: uPVC_White

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05 Sep

Windows | Glazing

Aylesbury - HP17

Enquiry from: Gina N

Start Date: Less than one month

I have a very large glass block window on an exterior wall on the mid landing of our stairs Several of the bottom blocks are cracked and misplaced. This window is also letting in water. I need to fi...

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02 Aug

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Aylesbury - HP18

Enquiry from: Harriet M

Start Date: Immediate

We need two broken panes of glass replaced, in lead lined old windows (16th centry farmhouse).

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21 Jun

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Aylesbury - HP18

Enquiry from: Chris N

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10 small glass panels need replacing due to vandalism

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23 Apr

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Aylesbury - HP17

Enquiry from: Alan F

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Misting within one of my double glazed conservatory panels Product Material: uPVC_White

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22 Feb

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Aylesbury - HP17

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We have an original block glass window in the stairwell of our 1950's house. A couple of the bottom blocks are cracked and need attention. We also need to look at the draught proofing of the window....

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03 Aug

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INTERNAL GLASS ROOM PARTITION Are you the property owner: Owner of the property What level of service do you require: Supply and fit Time scale: Immediate Please Call to Appoint

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FAQs

Whether you need toughened glass in your windows depends on where the windows are in your home or business. Toughened glass is sometimes referred to as tempered or safety glass, and it just means it’s stronger than the standard glass that’s usually offered with double glazed windows. So how do you know if you need it?

Toughened glass is useful in areas of your home where you might come into contact with the windows if you were to trip and fall. If you put your hands out to steady yourself on standard glass the chances are it would break into large sharp pieces with jagged edges. Of course, this means that you could seriously cut yourself if this were to happen. With toughened glass, the structure of the glass is changed so that if it breaks it shatters into lots of tiny pieces, minimising the risk to you if you were to fall on it.

You might want to use toughened glass in patio doors, low windows or frames next to doors. It just means that you will be safer if the unlikely happens and you or a family member falls through the glass. There are certain requirements through Building Regulations with windows at a certain level, but any reputable window installer should be able to go through these with you if you need to replace your windows with toughened glass. The regulations will only apply to new windows – there's no need to switch your windows to toughened glass early, but when you do come to replace them you’ll need to make sure they meet the standard.

Accidents happen, and sometimes windows get broken. And that will lead to you wanting to replace just the glass in your window, rather than the whole frame. Also, as windows get older they can mist up on the inside, which means that the unit has ‘blown’ - so you’ll also need to replace the glass. But how much is it to replace the glass in a window? Luckily, if the frame of your window is in good condition, there’s no need to replace it, and this will reduce the cost. For an installer to fit a new pane of glass in a single glazed window, the average cost is £100, while a replacement double glazed sealed unit will cost an average of £110. Of course, as this is an average, if your window is very large you may spend more, and if your window is very small the price may be less. That's why it’s important to get a range of quotes so you can compare costs and get the best price. If you’re good at DIY, you may feel confident enough to have a go at replacing the glass in your window yourself. In that case, the cost of sealed unit and any other materials you need will cost an average of £57. It’s a significant saving, and if you think you can do it, then give it a try. However, if you’re in any way unsure, it’s best to leave it to the professionals. A window installer will be able to replace the glass in your window in less than an hour. Even though it costs more for a professional to do it, if you get it wrong and have to start over it will cost you more in the long run.

It’s not too difficult to replace the glass in a uPVC window, so if you’re a confident DIYer you could have a go at this yourself. We’ll go through the main steps on how to replace the sealed unit in a uPVC double glazed window:

Using a rubber mallet and a strong pallet knife, remove the beading around the window. You might think they’re part of the frame, but they’re actually separate on the inside of the frame and can be taken out by using pallet knife to prize them out. Start with one of the longest beads first and leave the top bead until last.
Give the glass a little tap to loosen it if it doesn’t come out straight away, then the whole unit should slide out easily. Just make sure it falls towards you and not back out onto the ground below!
Clear any debris that has found its way into the frame with a brush. Add spacers at the bottom of the frame – these could be pieces of plastic.
Get your new sealed unit (make sure you measure the glass before you buy one so you know which size to get) and carefully take it out of the packaging. Look for the British Standard mark – that shows you the bottom of the glass.
Lift the glass into the frame, starting with the bottom first, and make sure that it fits square in the frame before taking the spacers out.
Use a little washing up liquid to spread along the beads to make it easier when you slide them back into the frame. If they simply push and clip back in, you can use something like a block of wood to help you push them in correctly. Put them back in reverse order to how you took them out.

And there you go! If you’re feeling confident you can have a go at replacing the glass in your uPVC window yourself. But if you’ve got any worries, leave it to a window installer who will be able to do it in less than an hour.

Yes, the glass in a double glazed window can be replaced. The glass in a window, or sealed unit to use its proper name, is not permanently attached to your window frames so if it gets damaged but your frames are still intact, there’s no need to replace the whole window. The glass in your double glazed window might need to be replaced due to:

Impact from a stone or other object smashing the glass in a ‘bullseye’ effect
The result of a break-in
Extreme weather or changes in pressure causing a crack
The sealed unit being ‘blown’, meaning that it’s no longer energy efficient due to air leaking out

A lot of window installers will replace the glass in your double glazing for you, but you might need to get quotes from specialist glaziers too. Glaziers deal purely with the glass in windows rather than installing entire frames. It won’t take a professional very long to replace the glass in your window. They will remove the beading from around the window with a pallet knife or chisel, leaving the top one until last to keep the sealed unit stable. Then, they simply lift out the glass carefully and will discuss with you whether the removal of the old sealed unit is included in their quote. Next, they will brush away any dust and debris that’s made its way into the frame and place spacers at the bottom. They will then lift the new glass into the frame, making sure it’s completely square. When they’re happy, they’ll remove the spacers and replace the beading back in reverse order. You’ll notice the replacement glass in your new window straight away as draughts should be eliminated and you’ll be able to see clearly again!

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